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How to Write Topic Sentences | 4 Steps, Examples & Purpose

How to Write Topic Sentences | 4 Steps, Examples & Purpose

Published on July 21, 2022 by Shona McCombes . Revised on June 5, 2023.

Every paragraph in your paper needs a topic sentence . The topic sentence expresses what the paragraph is about. It should include two key things:

The topic of the paragraph
The central point of the paragraph.

After the topic sentence, you expand on the point zwith evidence and examples.

To build a well-structured argument, you can also use your topic sentences to transition smoothly between paragraphs and show the connections between your points.

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Writing strong topic sentences, topic sentences as transitions between paragraphs, topic sentences that introduce more than one paragraph, where does the topic sentence go, frequently asked questions about topic sentences.

Topic sentences aren’t the first or the last thing you write—you’ll develop them throughout the writing process. To make sure every topic sentence and paragraph serves your argument, follow these steps.

Step 1: Write a thesis statement

The first step to developing your topic sentences is to make sure you have a strong thesis statement . The thesis statement sums up the purpose and argument of the whole paper.

Thesis statement example

Food is an increasingly urgent environmental issue, and to reduce humans’ impact on the planet, it is necessary to change global patterns of food production and consumption.

Step 2: Make an essay outline and draft topic sentences

Next, you should make an outline of your essay’s structure , planning what you want to say in each paragraph and what evidence you’ll use.

At this stage, you can draft a topic sentence that sums up the main point you want to make in each paragraph. The topic sentences should be more specific than the thesis statement, but always clearly related to it.

Topic sentence example

Research has consistently shown that the meat industry has a significant environmental impact .

Step 3: Expand with evidence

The rest of the paragraph should flow logically from the topic sentence, expanding on the point with evidence, examples, or argumentation. This helps keep your paragraphs focused: everything you write should relate to the central idea expressed in the topic sentence.

In our example, you might mention specific research studies and statistics that support your point about the overall impact of the meat industry.

Step 4: Refine your topic sentences

Topic sentences usually start out as simple statements. But it’s important to revise them as you write, making sure they match the content of each paragraph.

A good topic sentence is specific enough to give a clear sense of what to expect from the paragraph, but general enough that it doesn’t give everything away. You can think of it like a signpost: it should tell the reader which direction your argument is going in.

To make your writing stronger and ensure the connections between your paragraphs are clear and logical, you can also use topic sentences to create smooth transitions. To improve sentence flow even more, you can also utilize the paraphrase tool .

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As you write each topic sentence, ask yourself: how does this point relate to what you wrote in the preceding paragraph? It’s often helpful to use transition words in your topic sentences to show the connections between your ideas.

Emphasize and expand

If the paragraph goes into more detail or gives another example to make the same point, the topic sentence can use words that imply emphasis or similarity (for example, furthermore , indeed , in fact , also ).

Indeed , cattle farming alone is responsible for a large proportion of greenhouse gas emissions.

Summarize and anticipate

If the paragraph turns to a different aspect of the same subject, the topic sentence can briefly sum up the previous paragraph and anticipate the new information that will appear in this one.

While beef clearly has the most dramatic footprint, other animal products also have serious impacts in terms of emissions, water and land use.

Compare and contrast

If the paragraph makes a comparison or introduces contrasting information, the topic sentence can use words that highlight difference or conflict (for example, in contrast , however , yet , on the other hand ).

However , the environmental costs of dietary choices are not always clear-cut; in some cases, small-scale livestock farming is more sustainable than plant-based food production.

You can also imply contrast or complicate your argument by formulating the topic sentence as a question.

Is veganism the only solution, or are there more sustainable ways of producing meat and dairy?

Sometimes you can use a topic sentence to introduce several paragraphs at once.

All of the examples above address the environmental impact of meat-eating versus veganism. Together, they make up one coherent part of a larger argument, so the first paragraph could use a topic sentence to introduce the whole section.

In countries with high levels of meat consumption, a move towards plant-based diets is the most obvious route to making food more sustainable. Research has consistently shown that the meat industry has significant environmental impacts.

The topic sentence usually goes at the very start of a paragraph, but sometimes it can come later to indicate a change of direction in the paragraph’s argument.

Given this evidence of the meat industry’s impact on the planet, veganism seems like the only environmentally responsible option for consumers. However, the environmental costs of dietary choices are not always clear-cut; in some cases, small-scale livestock farming is more sustainable than plant-based food production.

In this example, the first sentence summarizes the main point that has been made so far. Then the topic sentence indicates that this paragraph will address evidence that complicates or contradicts that point.

In more advanced or creative forms of academic writing , you can play with the placement of topic sentences to build suspense and give your arguments more force. But if in doubt, to keep your research paper clear and focused, the easiest method is to place the topic sentence at the start of the paragraph.

View topic sentences in an example essay

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A topic sentence is a sentence that expresses the main point of a paragraph . Everything else in the paragraph should relate to the topic sentence.

Topic sentences help keep your writing focused and guide the reader through your argument.

In an essay or paper , each paragraph should focus on a single idea. By stating the main idea in the topic sentence, you clarify what the paragraph is about for both yourself and your reader.

The topic sentence usually comes at the very start of the paragraph .

However, sometimes you might start with a transition sentence to summarize what was discussed in previous paragraphs, followed by the topic sentence that expresses the focus of the current paragraph.

Let’s say you’re writing a five-paragraph essay about the environmental impacts of dietary choices. Here are three examples of topic sentences you could use for each of the three body paragraphs :

Research has shown that the meat industry has severe environmental impacts.
However, many plant-based foods are also produced in environmentally damaging ways.
It’s important to consider not only what type of diet we eat, but where our food comes from and how it is produced.

Each of these sentences expresses one main idea – by listing them in order, we can see the overall structure of the essay at a glance. Each paragraph will expand on the topic sentence with relevant detail, evidence, and arguments.

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How to Write a Strong Topic Sentence + Examples

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What’s Covered:

What Is a Topic Sentence?
5 Steps to Writing a Good Topic Sentence

Elements of a Good Topic Sentence

Common pitfalls to avoid.

Where To Get Your Essay Edited For Free

Crafting the perfect essay takes time and dedication. There are so many elements you have to worry about, such as tone, purpose, and correct spelling and grammar. Writing a strong topic sentences is another critical part in writing a cohesive essay.

Without a strong topic sentence, you risk losing your reader and perhaps part of your grade. If it’s a college admissions essay, then you need it to be as strong as possible to back up your application. Learn about what steps you should take to write a strong topic sentence.

What Is a Topic Sentence?

People often confuse a topic sentence with a thesis statement. A thesis statement is typically at the end of your opening paragraph, that dictates the main argument you’ll be making in your essay.

Throughout your essay, you’ll have multiple topic sentences, as each paragraph should start off with one. This beginning sentence is used to direct the topic of the paragraph and outline the flow of the following sentences. It’s used to help guide your reader and to continue to keep them hooked on your overall essay. Without topic sentences, your essay will be unorganized, lack transitions, and sound very choppy. To write a good topic sentence, there are several steps to take.

Writing a Good Topic Sentence: 5 Steps

Step 1: decide what you’re going to write about..

When you see the essay prompt, you’ll have some time to think through what you want to say and why. You have to decide if it’s a persuasive essay, informative, narrative, or descriptive. Determine your purpose for writing the essay after reading through the prompt. Whether it’s an assignment for school or if it’s to get into college, you need to make sure you have that purpose clearly outlined.

Step 2: Create a thesis statement.

One of the first things you need to do is create a thesis statement. This is typically a sentence with three points that you’ll back up throughout your essay.

For example: The Office became a cultural phenomenon because it spurred the careers of many of today’s successful movie stars, it talked about situations that most American workers can relate to, and even 15 years later, offers funny, relevant content that helps to break down prejudices.

You then use that thesis statement to create an essay around the points you want to make.

Step 3: Make your essay outline.

Once you have the points you want to make within your thesis statement hammered out, make an outline for your essay. This is where you’ll start to create your topic sentence for each paragraph. You want to clearly state the main idea of that paragraph in the very first sentence. From there, you back up that main idea with facts and reputable sources. Make sure your topic sentence is clear, but does not just announce your topic.

For example, do not write something like: “In this paragraph, I will discuss why it’s bad that poachers are killing giraffes.”

Instead, write something that clearly states your idea with a reasonable opinion and that gives direction to the paragraph: “Giraffes are a key part of the African ecosystem, so it’s important to enforce regulations against the poachers who are killing them for their body parts.”

You’d then follow that up with reasons why giraffes are a key part of the African ecosystem and how poachers are destroying their population.

Step 4: Begin writing your essay.

Once you have your thesis statement and you’ve created an outline with supporting paragraphs and their topic sentences, you can begin writing your essay. It’s important to make that outline before just jumping in–a disorganized essay can spell disaster for you as you continue to write, and could result in a poor grade. Many times, teachers will even require you to turn in your outline as part of your overall essay grade.

Step 5: Proofread and check your resources.

After you’ve written the essay, go back through it with a fine tooth comb. Read through each topic sentence and the paragraphs that follow to ensure that you’ve written clear, solid topic sentences throughout and that the paragraphs with them make sense. During the proofreading phase, you also need to recheck the sources you’re using. Make sure each source is reputable. In other words, do not use sites like Wikipedia where anyone can go in and edit an article to add misinformation. Use sites that:

Are actual reputable news sources, such as the New York Times , CNN, CBS News
Have domain names that end in .edu or .gov
Come from an encyclopedia, such as Encyclopedia Britannica

Using sites that are not reputable could jeopardize the validity of your argument.

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Now that you know the steps to set yourself up for success when writing a topic sentence, there are certain elements that go into a quality first sentence. Always make sure that your topic sentence is the first sentence of a paragraph. You don’t want to make your reader hunt for the point you’re trying to make. Check out some key elements of a good topic sentence:

Make sure your topic sentence isn’t too vague.

You need a topic sentence that has some specifics to it. It also needs to hook in your reader in some way with an opinion. A vague sentence makes it harder to write a paragraph that can clearly backs up your thoughts. For example:

DON’T: “In Pride and Prejudice, Mr. Bingley seems like a nice guy.”

DO: “When Mr. Bingley is first introduced, he comes across as a kind person because he speaks to everyone and doesn’t immediately pass judgment.”

Choose a reasonable opinion.

Your topic sentence should clearly outline whatever point you’re trying to make in the paragraph, but you want to pick a reasonable opinion that you can easily reinforce with facts and statistics. Here’s an example of what you should and should not do:

DON’T: “It’s obvious that Mr. Bingley was a total loser with no backbone.”

DO: “Mr. Bingley could have shown more confidence in his choices and stood up to Mr. Darcy when he found himself in love with Jane Bennet.”

You can then back that up with facts, saying that he was a wealthy Englishman and thus one of the key players in society at the time, which should have given him more confidence. If he’d been more confident, perhaps he would not have left and devastated Jane.

Use your topic sentence as a transition.

Along with telling the reader the point of your next paragraph, your topic sentence should also serve as a transition from the previous paragraph. Without a transition, the essay can feel like it’s choppy and disjointed. For example:

DON’T: “Mr. Bingley is a good man and here’s why.”

DO: “Although Mr. Bingley did break Jane’s heart by leaving, he ended up redeeming himself by returning to Netherfield Hall.”

Keep your topic sentence short.

A long, drawn-out topic sentence can risk losing your reader. Many times, it’s hard to determine the point of a sentence when it goes on for too long. You want a clear, concise sentence that draws in the reader but also leaves some room for you to expand on it in the following paragraph.

DON’T: “Throughout the novel of Pride and Prejudice, Mr. Bingley was often quite different from Mr. Darcy as he would treat all people in a friendly manner, considering them all his friends and acquaintances, even agreeing to throw a ball after Elizabeth’s sisters rudely demanded he do so and was gracious to Mr. and Mrs. Bennet as well despite their manners.”

DO: “Overall, Mr. Bingley served as a foil to Mr. Darcy throughout the story by treating everyone around him equally with dignity and grace.”

Writing an essay can be overwhelming at times, but so long as you avoid some of these common pitfalls, it can be easier to get it done on time.

Don’t wait until the last minute.

If your teacher assigns you an essay or tells you that you have an essay test coming up, don’t wait until the day before to do anything about it. You have to plan or study and you need to give yourself time to do that. If you know it takes you a while to write something, then start planning it as soon as you get the assignment.

Don’t forget to write an outline.

Along with planning, make sure you have that outline written up and planned out well. It will serve as your guideline for writing the essay. Without it, you’ll face the risk of a disorganized essay that does not clearly illustrate your point.

Ask for help if you need it.

This may be the most important pitfall to avoid. If you get in over your head while writing, don’t be afraid to ask for help. Ask a friend to review the essay or ask your teacher for guidance.

Where to Get Your Essay Edited for Free

Once you’ve finished your essay, you may want additional input. There are tools out there to help, but CollegeVine’s free peer essay review tool can provide you with actionable feedback from students just like you. CollegeVine’s tool has helped many students and may be able to help you, too! Asking for peer feedback can help to refine your essay and it never hurts to have an extra set of eyes read through what you’ve written. Check out the free tool today!

How to Write a Topic Sentence (30+ Tips & Examples)

Writing the perfect topic sentence took me years to master.

After endless drafts, feedback sessions, and seeing what resonates with readers, I’ve distilled the ultimate guide to craft attention-grabbing, informative, and concise topic sentences.

Let’s dive into the essential tips for how to write a topic sentence.

What Is a Topic Sentence and Why Is It Important?

Bright lights spell 'TOPIC SENTENCES' above an awe-inspired crowd -- How to Write a Topic Sentence

Table of Contents

A topic sentence introduces the main idea, usually appearing at the start of a paragraph.

It sets the tone for the entire paragraph by giving a glimpse of what’s coming. Think of it as a headline for each paragraph that keeps your writing clear and focused.

A strong topic sentence is important because:

Grabs Attention: Captures the reader’s interest, encouraging them to keep reading.
Guides Structure: Helps organize thoughts in a logical way.
Provides Focus: Prevents rambling by clarifying the main point.

Types of Topic Sentences

Different types of topic sentences can fit various writing styles and purposes.

Understanding these types will help you select the best approach for your specific content.

Declarative Statements: These are straightforward sentences that make a clear assertion. They introduce the main idea without any fluff or ambiguity. Example: “Water conservation is critical in regions prone to drought.”
Interrogative Sentences: These topic sentences pose a question, encouraging readers to think critically and seek answers within the paragraph. Example: “How can sustainable practices help reduce waste in the fashion industry?”
Complex Sentences: By combining independent and dependent clauses, these topic sentences present a nuanced main idea that prepares readers for a more detailed discussion. Example: “Although renewable energy sources are gaining popularity, fossil fuels still dominate the global energy sector.”
Bridge Sentences: These link the preceding paragraph to the next, providing continuity and coherence in the overall structure. Example: “While electric vehicles offer a greener alternative to traditional cars, the infrastructure for widespread adoption remains lacking.”
Contrasting Statements: These topic sentences highlight opposing viewpoints or circumstances, building intrigue and depth into the following paragraph. Example: “Despite the technological advancements in healthcare, access remains limited for underserved communities.”

My 30 Best Tips for Writing a Topic Sentence

Now let’s get into the main section of this guide — where you will learn all the best tips for writing a compelling topic sentence on any subject.

Tip #1: State the Main Idea Clearly

Make sure your topic sentence introduces the primary idea succinctly.

Avoid vague language or cluttered wording. Your reader should immediately understand the topic.

Clear: “Recycling programs reduce landfill waste by promoting reusable packaging.”
Unclear: “Programs for recycling can be a good thing because it’s important.”

Tip #2: Keep It Simple and Direct

A topic sentence should be straightforward. Avoid complex structures and over-complicated phrasing.

Shorter sentences work best.

Simple: “Exercise improves mental health through endorphin production.”
Complicated: “One can expect to experience benefits in their mental state with exercise due to the generation of endorphins.”

Tip #3: Link to the Previous Paragraph

Create a smooth flow by connecting ideas to the paragraph before.

Transition words like “similarly,” “however,” or “in contrast” help show relationships.

Linked: “Similarly, the agricultural industry is also impacted by climate change.”
Disjointed: “Farmers are struggling with erratic weather patterns.”

Tip #4: Avoid Announcing Your Intentions

Steer clear of sentences like “In this paragraph, I will discuss…” They sound amateurish and reduce reader engagement.

Natural: “Effective communication skills are crucial for career advancement.”
Announcing: “This paragraph will explain why communication skills are important.”

Tip #5: Vary Sentence Structure

Using the same structure repeatedly can bore readers.

Mix up your approach by experimenting with different forms like questions, facts, and lists.

Varied: “How does cultural background influence consumer behavior?”
Repetitive: “Consumer behavior is influenced by cultural background.”

Tip #6: Be Specific, Not General

A vague topic sentence leaves the reader confused. Instead, provide specific information to establish clarity and interest.

Specific: “Remote work improves productivity by reducing commute times.”
General: “Remote work is beneficial for many reasons.”

Tip #7: Reflect Your Argument’s Tone

Match your topic sentence with the tone of your argument. For serious discussions, avoid informal language.

Formal: “The socioeconomic impact of urbanization requires comprehensive policy solutions.”
Informal: “The effects of city living need some fixing.”

Tip #8: Include a Controlling Idea

The controlling idea limits the scope of the paragraph, ensuring the reader knows what to expect next.

With Control: “Social media marketing increases brand visibility through targeted campaigns.”
Without Control: “Social media is important.”

Tip #9: Use Active Voice

Active voice is more engaging and dynamic. It also provides clarity.

Active: “New policies will reshape healthcare accessibility.”
Passive: “Healthcare accessibility will be reshaped by new policies.”

Tip #10: Make It Unique

Avoid using overused phrases or predictable statements. Offer a fresh perspective to captivate your reader.

Unique: “Biodegradable packaging is transforming the fast-food industry.”
Cliché: “The fast-food industry is changing with new trends.”

Tip #11: Create Curiosity

Tease your reader by leaving questions unanswered. Encourage them to keep reading for more.

Curious: “What are the unexpected benefits of rising inflation rates?”
Blunt: “Rising inflation rates have some positive effects.”

Tip #12: Support Your Thesis

Your topic sentence should align with your overall thesis. It will give your argument more coherence.

Aligned: “Reducing plastic waste aligns with our sustainability goals.”
Unaligned: “Plastic recycling is controversial.”

Tip #13: Focus on One Point

Don’t overwhelm readers with multiple ideas in one topic sentence. Stick to one clear concept.

One Point: “Artificial intelligence streamlines data analysis.”
Too Broad: “Artificial intelligence changes marketing, finance, and data analysis.”

Tip #14: Use Key Terms From the Prompt (if applicable)

If you are responding to an assignment or specific topic prompt, make sure your topic sentence directly incorporates relevant keywords.

Key Terms Included: “Global warming solutions must involve international cooperation.”
Lacks Terms: “Solutions for the environment require cooperation.”

Tip #15: Offer Context

Provide some context in the topic sentence to frame the discussion, giving the reader essential background information.

With Context: “As urbanization accelerates, city infrastructure struggles to keep up.” Without Context: “City infrastructure is lagging.”

Tip #16: Incorporate Comparisons

Comparisons can clarify complex concepts and give readers a familiar reference.

Comparison: “Just as the printing press revolutionized communication, the internet has transformed modern commerce.”
No Comparison: “The internet has transformed modern commerce.”

Tip #17: Present Solutions

Offering a solution at the start engages readers who are seeking actionable advice.

Solution: “Installing solar panels reduces energy bills while cutting carbon emissions.”
Problem-Only: “High energy bills are a widespread issue.”

Tip #18: Address Common Misconceptions

Challenge preconceived notions to spark curiosity and highlight the importance of your argument.

Challenging: “Despite common belief, vitamin supplements aren’t always beneficial.”
Reinforcing: “Vitamin supplements have benefits.”

Tip #19: Use Emotional Appeals

Appeal to the reader’s emotions to deepen their connection to your writing.

Emotional: “Volunteering at shelters uplifts communities and transforms lives.”
Neutral: “Volunteering at shelters is helpful.”

Tip #20: Avoid Redundancy

Ensure your topic sentence adds new value. Avoid repeating points covered elsewhere.

New Value: “Stronger copyright laws are crucial for protecting intellectual property.”
Redundant: “Intellectual property needs stronger protection.”

Tip #21: Ask a Thought-Provoking Question

Pose a question that makes the reader stop and think. This engages them immediately.

Provocative: “How will automation reshape the global workforce?”
Plain: “Automation is changing the global workforce.”

Tip #22: Include an Action Verb

Action verbs add momentum and urgency to your topic sentence. They make your point more dynamic.

Active Verb: “Investing in renewable energy fosters long-term economic growth.”
Lacks Action: “Renewable energy investments are beneficial.”

Tip #23: Paint a Picture

Use descriptive language to help readers visualize your point.

Descriptive: “Increased droughts have turned fertile farmlands into arid deserts.”
Bland: “Droughts are affecting farmlands.”

Tip #24: Use Parallel Structure

Parallel structure involves repeating similar grammatical forms.

It makes your writing rhythmic and easy to follow.

Parallel: “Tackling pollution requires reducing emissions, cleaning waterways, and limiting waste.”
Non-Parallel: “Tackling pollution requires emission reductions, waterways cleaning, and limiting waste.”

Tip #25: Emphasize Urgency

Highlight the time-sensitive nature of your argument to create urgency.

Urgent: “Immediate action is needed to prevent further deforestation.”
Calm: “Deforestation is a concern.”

Tip #26: Highlight Contrasts

Contrasting different ideas helps to emphasize your point and draw clear distinctions.

Contrast: “While technology creates new jobs, it also disrupts traditional industries.”
No Contrast: “Technology affects the job market.”

Tip #27: Lead with a Statistic

Start with a compelling number to catch the reader’s attention and back up your argument.

Statistic: “80% of small businesses struggle to comply with data privacy regulations.”
General Statement: “Small businesses struggle with data privacy.”

Tip #28: Build on Existing Knowledge

Assume the reader has some background knowledge and expand on it.

Builds On Knowledge: “With the rise of remote work, companies are rethinking their office spaces.”
Basic Information: “Remote work is changing office spaces.”

Tip #29: Start with an Anecdote

A brief anecdote adds a human touch, creating an immediate connection with the reader.

Anecdotal: “After years of burnout, Sarah switched to a part-time schedule to improve her work-life balance.”
Abstract: “Work-life balance is important.”

Tip #30: Use an Engaging Metaphor

A metaphor can illuminate your argument in an unexpected way.

Metaphor: “Effective teamwork is the glue that holds successful organizations together.”
Literal: “Effective teamwork is important for organizations.”

Check out this video about how to write a topic sentence:

Final Thoughts: How to Write a Topic Sentence

Writing compelling topic sentences takes practice, but mastering this skill can transform your writing.

I hope this guides empowers you in your topic-sentence writing journey.

Beyond the topic sentence, there are other techniques and terms you really need to know to improve your writing.

Writing Topic Sentences — Purpose, Structure, and Examples

What is a topic sentence.

A topic sentence in academic writing identifies how a body paragraph relates to the overall purpose of an essay stated in the thesis statement . Topic sentences are usually at the beginning of a paragraph and identify the paragraph’s controlling idea.

While an essay’s thesis statement identifies the point of the essay in its entirety, the topic sentence has a much narrower focus, as it relates only to the paragraph in which it is located.

What is the purpose of a topic sentence?

The purpose of a topic sentence is to inform the reader of the main idea of the paragraph and how it connects to the overall objective of the essay. An effective topic sentence accomplishes one or more of the following:

Makes a claim

Supports other claims made in the paper

Identifies the purpose of the rest of the paragraph

Relates the paragraph to the purpose of the paper

Precedes information that defends a claim

How to write a topic sentence

To write a topic sentence, incorporate the following guidelines:

Determine the thesis of the essay.

Identify the main supports that help prove the thesis.

Use each main support to structure a topic sentence for each paragraph.

Compose a sentence that answers the following questions:

What will the paragraph prove?

How does the paragraph connect to the thesis?

Where is the topic sentence in a paragraph?

Topic sentences can be placed at the beginning or end of a paragraph.

Although it does not need to be the first sentence, the topic sentence should be placed at the beginning of the paragraph so the reader can quickly identify the purpose of the paragraph.

While not a common placement for a topic sentence, some writers use topic sentences at the end of a paragraph. Writers who choose this method want the reader to deduce the main point of the paragraph by presenting the evidence first.

Topic sentence examples

The following list identifies topic sentences based on the provided thesis statements for five-paragraph essays:

Thesis Statement: Capital punishment should be banned because it is inhumane, unconstitutional, and ineffective at deterring crime.

Support Paragraph 1 Topic Sentence: The inhumane nature of the death penalty proves it should be abolished.

Support Paragraph 2 Topic Sentence: Capital punishment should be outlawed because it violates the Constitution.

Support Paragraph 3 Topic Sentence: Because the death penalty does not effectively deter criminal behavior, states should not continue to use it.

Thesis Statement: College athletes should be financially compensated because they sacrifice their minds and bodies, cannot hold an outside job, and increase the school’s revenue.

Support Paragraph 1 Topic Sentence: Student athletes should be paid for their performance because of sports’ impact on their minds and bodies.

Support Paragraph 2 Topic Sentence: Because most college athletes cannot play their sport and hold a job, colleges should give them a living wage.

Support Paragraph 3 Topic Sentence: Student-athletes’ ability to increase their college’s revenue proves they should be awarded financial compensation.

Thesis Statement: Using alternative energy sources can help lessen the impact of global climate change.

Support Paragraph 1 Topic Sentence: Through the widespread use of solar power, countries can limit the environmental impact of other energy sources.

Support Paragraph 2 Topic Sentence: Utilizing more wind turbines as a power source can help mitigate the effects of climate change.

Support Paragraph 3 Topic Sentence: Using geothermal power will effectively decrease the world's reliance on fossil fuels.

Essay Writing Guide

What Is A Topic Sentence

Last updated on: Jun 28, 2024

What is a Topic Sentence - An Easy Guide with Writing Steps & Examples

By: Nova A.

11 min read

Reviewed By: Melisa C.

Published on: Mar 12, 2019

A topic sentence is the opening sentence at the beginning of each paragraph. These sentences tell the readers about the main idea that will be discussed in that paragraph.

It is the most important part of a body paragraph, and knowing how to write a good topic sentence is essential for writing an essay . However, writing an effective topic sentence could be tough.

If you find it difficult to write clear and engaging topic sentences, you are not alone. But don’t worry!

This blog will help you understand topic sentences better with examples. Also, you’ll get step-by-step guide and tips for writing more effective topic sentences.

So let’s dive in!

On this Page

What is a Topic Sentence in a Paragraph?

A topic sentence is the opening sentence of the body paragraphs of your essay. It introduces the main idea of that paragraph.

So what is the purpose of a topic sentence?

It serves as a guidepost, indicating the main purpose and point of the paragraph. Essentially, it is a concise and direct statement that captures the essence of what you want to convey.

A topic sentence is defined by the following characteristics:

It is the first sentence of a paragraph
It indicates the main idea of the paragraph
Acts as a signpost and transition sentence, ensuring clarity and cohesiveness of an essay.

Why are Topic Sentences Important?

Topic sentences are an essential component of body paragraphs , especially in academic writing which is more formal. Here’s why good these sentences are necessary for an essay:

They help maintain the organization and coherence of the essay.

Topic sentences act as a roadmap for your essay, providing a clear path for your readers to follow. They establish the main ideas or arguments of each paragraph, allowing your essay to flow logically and coherently.

By presenting a central focus in each paragraph, they help you maintain a strong sense of organization. Also, they prevent your essay from becoming a jumbled collection of random thoughts.

They enhance clarity and readability.

Well-crafted topic sentences promote clarity and conciseness in your writing by summarizing the main idea in a concise manner.

Moreover, they serve as signposts that signal the beginning of a particular discussion. This creates a smooth reading experience and reduces the chances of confusion.

They help the reader skim through the essay.

These sentences provide readers with a preview of what each paragraph will discuss. This helps them grasp the main point before delving into the rest of the paragraph.

They also enable the readers to quickly grasp the content of a paragraph. This makes it easier for them to skim through the main ideas of the essay without reading it word-by-word.

Topic Sentence vs Thesis Statement: Main Differences

Topic sentences are similar to thesis statements as they fulfill a similar purpose: they show the reader what the paragraph or essay is about.

However, a thesis statement is written at the end of the essay introduction, and it presents the main idea of the entire paper or essay. Whereas, a topic sentence presents the main idea of a specific paragraph, and is the first sentence of that paragraph.

Here are the major differences between topic sentences and thesis statements:

Difference between a Topic Sentence and a Thesis Statement

How to Write a Topic Sentence? Here are 4 Simple Steps

If you think about it, writing such a sentence seems like a simple task. All you have to do is write one line about the idea you’ll discuss, and you’re done.

Well, it’s not as easy as it sounds. You need to follow some conditions to write good opening lines for your body paragraphs.

Here are the steps to write engaging topic sentences:

1. Develop your Thesis Statement

Writing a specific and self-defining thesis statement is the first step in writing an essay. A thesis statement is necessary as it lays out the main points or structure of your entire essay.

Having a thesis statement helps you figure out what your body paragraphs will be about. This, in turn, helps you identify each paragraphs controlling idea and craft a topic sentence.

2. Identify the Controlling Ideas of Your Body Paragraphs

Once you have a thesis statement for your essay, identify the main idea or central theme of the paragraphs.

Ask yourself, "What is the key point I want to convey in this paragraph?" This will serve as the focus and topic of your paragraph. Moreover, identifying your main points will also help you make an essay outline.

Here’s an example of how you can identify the main ideas of your body paragraphs:

Topic of the Essay:

Body Paragraph 1: The impact of greenhouse gas emissions on rising global temperatures.

Body Paragraph 2: The consequences of climate change on ecosystems and biodiversity.

Body Paragraph 3: Strategies for mitigating climate change through sustainable practices.

3. Write your Topic Sentence

Now that you know the main idea of each paragraph, you should attempt to write your topic sentences. It is not necessary that you get the sentences right the first time. Try different variations and see which of the sentences explains the paragraph idea in a better way.

Ensure that your topic sentence relates directly to your thesis statement or the main argument of your essay. The topic sentence should support and reinforce the overall message you want to convey in your writing.

The example below shows topic sentences based on the main ideas identified in step 2:

Topic Sentence for Body Paragraph 1:

Topic Sentence for Body Paragraph 2:

Topic Sentence for Body Paragraph 3:

4. Revise and Make your Topic Sentences Better

A strong topic sentence should be clear, concise, and directly related to your thesis statement. They should also be logically connected to the previous paragraph. It is important that you revise, make them better, and rewrite the sentences as you progress with the paper.

Make sure that they reflect the main theme of the paragraph and are according to the paragraph’s content. Use appropriate transition words for essays when transitioning from one paragraph to another.

Read on to learn about different types of topic sentences. They will help you to write, rewrite, and revise your opening sentences in the best ways.

What are the Different Types of Topic Sentences?

Here are some common types of topic sentences you can incorporate in your essay.

[Infographic]

Statement of Fact or Information

This type of topic sentence presents a straightforward statement of fact or information that sets the stage for the paragraph. It provides essential background knowledge or introduces a key concept.

For example:

· The Industrial Revolution had a profound impact on global economic systems.

· Renewable energy sources offer a sustainable solution to reducing carbon emissions.

Hook or Shocker

This kind of sentence presents a shocking statement of fact about the paragraph’s key idea. This type of topic sentence aims to grab the reader’s attention and make them want to read more.

Here’s an example:

· Do you know that the first ever Thanksgiving was celebrated almost four thousand years ago?

Illustration or Example

An illustration or example topic sentence provides a specific instance or anecdote to support the main idea of the paragraph. It helps to clarify and reinforce your argument by providing concrete evidence or a real-life scenario.

For instance:

Question or Thought-Provoking Statement

A topic sentence in the form of a question or thought-provoking statement engages readers by encouraging them to seek an answer. It stimulates curiosity and anticipation for what follows in the paragraph.

For example:

You can also watch this video that explains topic sentences in a simple way:

Topic Sentence Examples

‘What is a topic sentence example?’

Check out some helpful and effective topic sentence examples to help you get started.

Professional baking is a lot more than mixing some flour, eggs, and sugar into a bowl and putting it into the oven; it requires precision, attention to detail, and dedication to the craft.
Writing is a thorough and time-consuming process, but with some dedicated practice, you can become a better writer.
Learning a foreign language opens doors to several new opportunities that are not only available when a person is familiar with his mother tongue.
Home remodeling is an exciting project, but without proper designer skills and taste, it could turn into a disaster.
Several human activities are the main reasons behind global environmental pollution, and excess usage of plastic is one such cause.

Helpful Tips for Writing Better Topic Sentences

You’ve read some great examples, but how can you write similarly effective topic sentences yourself? Here are some amazing tips to help you out.

Be Clear and Concise: Focus on expressing the main idea of the paragraph in a concise and direct manner. Avoid unnecessary details or convoluted language that may confuse your readers.
Consider the Paragraph's Focus: Avoid including multiple ideas or concepts within a single topic sentence. Instead, focus on one central point for each paragraph.
Vary Your Sentence Structure: To maintain reader interest and engagement, vary the structure of your topic sentences. Experiment with different types, such as simple sentences, rhetorical questions, or even shocking facts.
Use Strong and Descriptive Language: Choose powerful and descriptive words that accurately capture the essence of your main idea. Avoid vague or generic language that lacks impact. Instead, opt for words that evoke emotions or create vivid imagery.
Seek Feedback: Consider sharing your writing with others and seeking feedback on your paragraphs. Ask for input on clarity, coherence, transitions, and overall effectiveness.

A great topic sentence directs the reader about the main content of the paragraph. It is brief and engages the reader.

Remember, mastering the art of writing effective topic sentences takes practice and refinement. As you develop your writing skills, focus on crafting clear and engaging topic sentences that align with your thesis statement.

However, we understand that writing essays can still be challenging, especially when faced with tight deadlines or complex assignments.

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Frequently Asked Questions

Where is the topic sentence located in your essay.

Topic sentences come at the beginning of body paragraphs. They are the first sentence of a paragraph and introduces the main idea of that paragraph.

Can a topic sentence be a question?

Yes, a topic sentence could be a question. You can use a rhetorical question or an interrogative sentence to engage your reader and encourage them to read on.

How long is a topic sentence?

It depends on the depth of the idea. Usually, it is just one sentence, but in some cases, it could be composed of two sentences. However, the first few lines of the paragraph should be able to present its main idea effectively.

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30 Topic Sentence Examples

June 24, 2024

What is an essay without a topic sentence? Well, confusion. In your writing, the topic sentence introduces what the paragraph will be about. It should cover the topic of the paragraph and the prime focus of what you want to discuss in the next several lines. And it can assist in smoothly transitioning into the next paragraph, the next point you’re about to make. Depending on the complexity of your argument, the topic sentence can also weave together several paragraphs. So when the topic sentence is missing, it’s easy to lose track of what your specific message is. Below, you find 30 topic sentence examples.

Think of the topic sentence as a tool in your writing kit. It’s there to help you signpost and structure the argument of your essay. Having it, while making sure the topic is interesting and clear, is essential to help your reader truly understand your thesis.

How do you write a topic sentence?

When you’re about to write an essay, you won’t find yourself immediately thinking of every topic sentence example at once. Figuring out what your thesis is going to be, the very purpose and argument of your essay, will be a necessary first step . Then you might want to create an outline . The outline can draft out what you want to cover in each paragraph or how your argument will be supported.

This is where the topic sentence comes in. For every paragraph, you can begin to think of topic sentence examples that best sum up the rest of your idea. The more interesting you can make the topic sentence, the better it will be, so long as you can support it. Remember, the topic sentence will introduce what you are going to discuss and expand on in the rest of the paragraph.

Examples (Continued)

Let’s take a look at these six topic sentence examples below that introduce a paragraph:

1) Studies over the last ten years have shown that the use of social media has a significant role in teenage mental health.

2) Kate Jackson and her family, who have all been San Francisco residents for 30 years, noted that this was the hottest summer yet.

3) Book sales across the country have actually increased this year, contrary to popular belief.

4) During COVID-19, people rushed to adopt pets, but after the pandemic ended many of those pets were surrendered to shelters.

5) It is undeniable what impact the meat industry has had on our environment.

6) In the 19th century in France, the creation of the Braille system was a significant turning point for those with disabilities.

How do you imagine the rest of the paragraph will turn out? How can you best support your topic sentence to strengthen your overall essay?

Support your paragraph with evidence

The topic sentence of your paragraph will not hold well if it is not backed up with the right evidence. After writing a topic sentence like the topic sentence examples above, the rest of your paragraph should include strong examples of evidence to support your argument. Doing so will only help validate your topic sentence and allow your reader to have more insight into your thesis.

Considering each topic sentence examples above, try to think of what types of evidence you would expect in that same paragraph. There could be reports on statistics, interviews, and other forms of evidence provided. How will yours be?

Where should the topic sentence go?

Now you know that your topic sentence should be followed by the right evidence. So it’s safe to assume that the topic sentence belongs at the very beginning of the paragraph.

Yet depending on the paragraph you’re working on, you can also place your “main” topic sentence after an “intro” topic sentence. Let’s take a look at the two examples below:

7) Due to rising temperatures around the world, people have had to flee their homes and relocate to areas less prone to fires or floods. (Intro topic sentence)

8) However, many have found that even these “safer” locations are still susceptible to eventual natural disasters. (Main topic sentence)

When we combine the two sentences, we get:

Due to rising temperatures around the world, people have had to flee their homes and relocate to areas less prone to fires or floods. However, many have found that even these “safer” locations are still susceptible to eventual natural disasters.

The first (intro) topic sentence example is more generic and introductory, functioning like a summary of an observation. The second (main) topic sentence example then presents another contradictory argument to that first point. Depending on the tone or argument you want to make in your paragraph, you can format your topic sentences in such a way to further sharpen your thesis. Whenever you have doubt though, you can always place one topic sentence at the beginning of the paragraph.

Sometimes less is more in writing the topic sentence

The topic sentence introduces the key concept of that paragraph, along with evidence and research findings. It can even be written as more than one sentence or perspective, as noted directly above. However, you also don’t want to say too much. Why?

You don’t want to give all of your information away at once. While it is imperative to write a clear, specific, and even complex topic sentence, it’s just as important to avoid being too general or too informative. Striking the right balance is going to help you structure the rest of your essay. After all, you have the rest of the paragraph and the rest of your essay to do that, which leads us to our next point.

Topic sentences for smoother transitions

Like a game of dominoes, your paragraphs are all connected and should flow smoothly into the next statement you are making. As you are building your outline, or even as you’re already writing, consider how your previous paragraph transitions into the next . This depends on the intention of each paragraph and how you are structuring your argument.

Topic sentences for paragraph transitions have many functions. They will elaborate on more examples. They can wrap up or summarize a preceding point you made, providing another perspective. Also, they can go against a fact or opinion you wrote, which is a great way to strengthen your overall thesis and they can also be posed as a question.

Take a look at these transitional topic sentence examples below:

9) In fact, walking as a form of exercise has shown to reduce cortisol levels.

10) Furthermore, city council representatives have said that environmental sustainability has remained at the top of the agenda, but activists have largely disagreed.

11) While the strike in Hollywood has come to an end, many writers are still without employment and searching for new ways to restart their careers.

12) However, grocery prices across the country still seem to have risen.

13) Despite the state’s discontinued funding for the arts, is there another feasible way for these students to gather together and flourish as young artists at their school?

More than one paragraph: Topic sentences that expand into several key points

So far we’ve covered topic sentences that elaborate on just one paragraph. However, you might find that one topic sentence (or two) can best address several paragraphs. This usually occurs when you’re trying to introduce a bigger argument to serve your essay.

Let’s take one of the single paragraph topic sentences from earlier above and expand it by adding a connecting topic sentence to it:

14)Book sales across the country have actually increased this year, contrary to popular belief.

15) A report from the Association of American Publishers’ StatShot program states that in April sales over a year there has been an 18% increase.

These two topic sentence examples can even serve as their own introductory paragraph. This can then lead into more paragraphs related to the topic of specific book sales increasing across the country:

Book sales across the country have actually increased this year, contrary to popular belief. A report from the Association of American Publishers’ StatShot program states that in April sales over a year there has been an 18% increase.

Make the topic sentence interesting, not obvious

Check out 15 more topic sentence examples below. How do they introduce the topic, and what does it make you want to learn more about? You can imagine what kind of paragraph, or paragraphs, might follow afterwards:

16) When brewed correctly, coffee can hold strong, subtle hints of flavors such as chocolate or fruit, depending on the level of acidity.

17) Although today life in 1920s Paris is often romanticized for its glamor, jazz, and fashion, the city was still struggling to recover from the devastation of World War I.

18) Strict social rules dominated the Victorian Era, despite Britain’s expansion around the world in pursuit of wealth and power.

19) Dogs have a keen sense of time, so much so that they can predict when you’re late to take them out for a walk.

20) Before winter arrives, birds such as cranes and waterfowl follow preferred aerial pathways during their yearly migrations.

21) Conservation methods have helped local farms in their efforts to prioritize sustainability.

22) Did you know that humans would have a better chance of reaching Mars if they had a base set up on the moon?

23) The Pacific Ocean covers more than 30 percent of the earth’s surface, and it is home to so many life forms that have not yet been studied.

24) It is often debated whether or not student athletes should be paid for their performance, considering the cost for them to succeed.

25) Becoming a successful CEO doesn’t just happen overnight.

26) Although purchasing a home is considered a great form of investment, potential buyers should look at the real estate market first.

27) Watching my mother work three jobs to support our family has taught me the importance of resilience and strong work ethic.

28) Historical fiction not only has the power to teach us of actual past events. It also allows us to step into the lives of those we would have never met.

29) Parents and teachers at Sunnyroad School District are advocating for schools to provide free computers for their students – but the administrators aren’t so sure.

30) Across the country, the debate around whether teenagers should be allowed to use smart phones on campus has been circulating.

The topic sentence as a guide

One way to look at topic sentences is to imagine them as guiding compasses of your essay. Whatever point you are trying to make, the topic sentence has the power to guide your reader down a certain path. Choose wisely! And if you’re ever unsure about how to steer your essay and you need a personal guide, we’re here to help .

Additional Resources

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160 Good Argumentative Essay Topics for Students in 2024
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How to Write the AP Lang Argument Essay (With Example)
400 Adjectives to Describe a Person
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With a BA from Pitzer College and an MA from University College London, Joanna has worked in London, Berlin, and Los Angeles covering many cultural and political issues with organizations such as Byline Media, NK News, and Free Turkey Media. A freelancer for The New York Times, her work has also appeared in Newsweek, Dazed and Confused Magazine, and The Guardian, among others. In addition, Joanna was the recipient of the 2021 PEN America Emerging Voices Fellowship in Fiction and is currently completing her first novel.

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How to Write a Topic Sentence for an Essay: Steps & Examples

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A topic sentence is the first sentence in a body paragraph that summarizes its main idea. It's like a mini-thesis statement for each body paragraph. A well-crafted topic sentence should be focused and specific, so that your audience has a clue of what the paragraph will be about.

While it's usually 1 sentence long, students often find it tricky to highlight the key idea of a passage. That's why our essay writing service is here to help you. In this blog, we will shed more light on how to write a topic sentence for a body paragraph of an essay and provide decent examples to help you engage your readers. But before we get down to suggestion, let's begin with a definition.

What Is a Topic Sentence: Definition

A topic sentence is the first sentence of a body paragraph that captures its central point. By providing a succinct preview of the whole section, it serves as a roadmap and keeps writing organized.

A good topic sentence should be clear, concise and connected to a thesis statement. Your task is to grab the reader's attention, encouraging them to continue reading. Additionally, you will need to back up your key point by evidence and in-depth analysis.

Topic sentences also act as transitions that link paragraphs to one another. It's like building a bridge between sections allowing readers to move fluently throughout your essay.

Topic Sentence vs Thesis: What's the Difference?

Quite often, students confuse a topic sentence with a thesis statement. Let's clarify the difference between these 2 components.

A thesis statement is the main argument of the whole paper. It usually appears at the end of an essay introduction and presents your central position or claim. A topic sentence introduces the main idea of a single paragraph and should relate back to your thesis.

Take a glance at this example to understand the distinction.

Thesis: The widespread use of social media has had a significant impact on society, affecting communication, relationships, and self-image. Topic sentence 1: Social media has transformed the way we communicate, providing new opportunities for connection and interaction. Topic sentence 2: The rise of social media has also had an impact on relationships, both positive and negative, with increased access to information and social pressure affecting how people relate to one another. Topic sentence 3: Social media has been linked to negative effects on self-image, with the constant pressure to present a perfect online persona leading to increased anxiety and decreased self-esteem.

What Is the Purpose of a Topic Sentence?

The primary purpose of a topic sentence boils down to emphasizing on the point you want to make in any specific section. It also serves other goals:

Guides the writer in developing content of each paragraph
Ties your paragraph back to the larger argument of your paper
Allows readers to follow your line of thought
Creates coherence of your writing piece
Makes ideas easier to follow.

Now that you know what a topic sentence in an essay body is and its purpose, let's discuss its main types.

Types of Topic Sentences and Examples

There are multiple approaches to previewing your paragraph's main point. Depending on the essay type, you may opt for different types of topic sentences – cause and effect, problem-solution, comparison and contrast. They can also appear in the form of a suggestion, question or a simple transition. Below we will define each type and provide topic sentence examples.

General to Specific

This type of topic sentence begins with a broad statement and then narrows down to a specific point.

Many factors contribute to climate change, but one of the most significant is the burning of fossil fuels.

Specific to General

In this case, you will start with a particular detail and then broaden out to a larger point.

The amount of trash in our oceans is staggering, highlighting the urgent need for more effective waste management policies.

Cause and Effect

Such sentences present a causal relationship between 2 ideas, events or phenomena. This type of topic sentence is usually used in cause and effect essays .

Poor nutrition can lead to obesity.

Comparison and Contrast

Sometimes, you may be assigned to compare 2 different concepts. If you are writing a compare and contrast essay , you will need to build topic sentences for each paragraph that reflect the comparison.

While traditional classroom learning has many benefits, online learning offers greater flexibility and convenience for students with busy schedules.

Problem-Solution

As the name suggests, this type of sentence primarily focuses on how to solve a specific issue. You will use this approach when working on a problem-solution essay .

It is becoming increasingly difficult for families to afford housing in major cities, suggesting that governments should pursue policies aimed at making rental costs more affordable.

Advice/Suggestion

Suggestions are an integral part of most kinds of essays. Whether you are writing a persuasive essay or a how-to guide, you need to express an opinion and provide a call for action. That's when you will turn your topic sentence into a piece of advice or guideline.

It is important for young people to develop an understanding of financial literacy, including budgeting and saving.

Sometimes, you may open a paragraph with a question in order to entice the reader and make them more interested in your opinion. Such questions should be used sparingly and confined to the introduction.

What can individuals do to reduce their impact on climate change?

When you are navigating from one paragraph to another, it is important that you make a seamless connection between ideas. The goal is to make the reader feel like they are continuously progressing through your essay. That's when essay transition words come into play. Here's how to create a topic sentence that can be used for linking.

On the other hand, this approach has its shortcomings that cannot be ignored.

How to Write a Good Topic Sentence for an Essay: 5 Easy Steps

When writing a topic sentence, there are 2 important aspects to keep in mind:

You should be specific and focus only on a single idea or point.
Stay on the point and don’t cover too many specifics in one sentence.

Now let’s take a look at the steps involved in the process. Follow these detailed guidelines on how to write a topic sentence and arrange your essay properly.

1. Determine the Main Idea of Your Writing

Before you write a topic sentence for body paragraphs, identify your essay’s main idea, or the point you’re trying to prove. The key argument is usually hidden in your thesis statement. Read through your thesis and think about the overall point that you are trying to make. Powered by the main idea, you can start thinking how to structure your body paragraphs and what specific points to discuss in each section.

The modern educational system should be redesigned to ensure that all students receive a well-rounded education.

2. Break Down the Main Idea into Smaller Pieces

The next step is to split your idea into smaller points. Try to recognize major supporting points or subtopics that reinforce your thesis statement. It can be helpful to create an outline or diagram to map out the essay structure and organize your arguments. By doing so, you will see how your central idea can be separated into more manageable subpoints.

Subpoint 1 : Prioritizing teaching arts, music, and physical education along with core subjects
Subpoint 2: Engaging students in experiential learning (internships, service learning)
Subpoint 3: Enhancing critical thinking and problem-solving skills.

>> Read more: How to Write an Essay Outline

3. Make Sure Each Body Paragraph Serves a Specific Purpose

The purpose of each body paragraph is to take one of the subpoints and explain it in detail. In order to do that, make a topic sentence focused and to the point.

One common mistake is integrating too many details in one sentence.

Remember, the goal of your topic sentence is to introduce a single idea. For that, you need to establish the evidence and examples you want to use in your paragraph. Once you are clear on the goal of each paragraph, you can start creating your topic sentence.

❌ Example of a weak topic sentence

Fostering a well-rounded education should involve offering more classes in music, art and physical education, but also providing more opportunities for students to be involved in experiential learning.

In the above topic sentence example, a student combines 2 different ideas in 1 sentence. Eventually, this may lead to unnecessary confusion. Here's how this sentence may be improved.

✓ Example of a strong topic sentence

In order to nurture a well-rounded education, schools should prioritize teaching music, art, and physical education along with core subjects.

4. Grab Reader's Attention

The best topic sentence is the one that sounds compelling and captivates the reader's attention. Just like in the essay introduction, here you also need to integrate a hook. There are several hook techniques that you can use to involve your audience in your body paragraph:

Using surprising facts or statistics that challenge the reader's assumptions or expectations
Opening your paragraph with a rhetorical question that encourages to consider a new angle
Starting a topic sentence with an anecdote or personal story illustrating your point.

Have you ever wondered why many schools are not providing enough classes in music, art and physical education?

>> Learn more: How to Write a Hook for an Essay

Trigger words can also be used to persuade your audience read further. These are the words and phrases that evoke emotions or psychological reactions. Below you can find some of the most efficient trigger words for your topic sentences.

Popular trigger words

When you write a topic sentence that elicits a strong emotional response, you will be able to interest more readers.

5. Write a Topic Sentence

Before you get down to actually writing a topic sentence for an essay body paragraph, remember that it should contain condensed information on your point. Still, you don't want to give away all supporting details or evidence from the get-go. Try to find balance between introducing your ideas and leaving some space for developing your argument further in the body.

Keep in mind the overall structure and flow of your essay. Your topic sentence should match a larger claim stated in your thesis. Otherwise, it will appear out of context and may potentially ruin the entire argument.

Examine good topic sentences examples for essays presented below to get more ideas on how to create your own.

Essay Topic Sentence Examples

Whether you're writing an argumentative , descriptive , or narrative essay , a strong topic sentence plays a crucial role in setting the stage for your main ideas. In this section, we will offer multiple examples of topic sentences. Inspect each topic sentence example for an essay to see how theory can be implemented in practice.

Topic sentence example for an argumentative essay

Social media has a negative impact on mental health , as it creates unrealistic expectations and promotes constant comparison to others.

Descriptive essay topic sentence example

The salty ocean air and the sound of seagulls created a calming and peaceful atmosphere on the beach.

Example of a topic sentence for cause-and-effect writing

Due to the increase in air pollution, many cities are experiencing a rise in respiratory illnesses among their populations.

Topic Sentence Writing Tips

Here are some valuable tips for writing a powerful topic sentence in a paragraph.

Keep it brief but informative. Your topic sentence should contain only relevant information that directly supports the main point.
Associate it to your primary claim. Make sure that your subpoints are intertwined and contribute to your fundamental assertion.
Be precise. Make sure that you use specific language and avoid generalizations.
Make it flow. Each body paragraph should build on the previous one and lead the reader towards your essay conclusion .
Apply active voice. Using an active voice in your topic sentence can help to create a sense of urgency and engagement.

Bottom Line on How to Write a Topic Sentence

Crafting a powerful topic sentence is not easy, but with practice, you will be able to start your paragraphs in a convincing manner. Make sure that each opening is clear and reflects your main idea in a brief, yet, meaningful way. Keep these tips and examples in mind when writing topic sentences for your next essay.

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Daniel Howard is an Essay Writing guru. He helps students create essays that will strike a chord with the readers.

FAQ About Writing Topic Sentences

1. how to start off a topic sentence.

A good way to start a topic sentence is by introducing the specific idea or concept that you are going to discuss. It should be concise and directly related to the point of your essay. For example: " The increase in air pollution has led to an alarming rise in respiratory illnesses in cities ." This sentence states the main point of your topic and sets the tone for what follows.

2. Can a topic sentence be a question?

Yes, a topic sentence can be a question. In fact, beginning a paragraph with a question can create a sense of curiosity and encourage readers to think critically about your topic. Be sure to follow up the question with a clear and concise statement that provides a direct answer.

3. How long should a topic sentence be?

A topic sentence should be concise and to the point, ideally no longer than 1 or 2 sentences long. It should make a preview to the main idea of the paragraph, while also leaving enough room for developing your arguments and evidence.

4. How to write a strong topic sentence?

To compose a strong topic sentence, clearly state the main idea of your body paragraph. Avoid vague or general statements. Instead, your topic sentence should grab the reader's attention and make them want to keep reading. It's suggested to link it to your thesis statement of your paper to ensure that you stay on track.

Topic Sentence: Definition, Examples and Useful Tips for Writing A Topic Sentence

When writing, there are many aspects which we need to take into consideration. One such aspect is the topic sentence, but how do we use this? In this article, we are looking at what the topic sentence is and how it is used within a piece of writing . We are also going to be looking at a variety of examples to give us a better understanding of its function.

Topic Sentence

What is a topic sentence.

Some might say that the topic sentence is one of the most important aspects and definitely the most vital sentence within a paragraph . In some cases, you might hear the topic sentence is referred to as the focus sentence but these are essentially the same thing.

A topic sentence is used to summarise all of the information within a paragraph. When writing in a more formal style, the topic sentence will usually feature at the beginning of the paragraph, although this is not a set rule.

What Is A Topic Sentence Used For?

A writer will use a topic sentence as a way of explaining to the audience what the paragraph is going to be about. Any sentences which appear after the topic sentence should give further information about the topic sentence or should give facts about it in order to prove the claim that it has made. The following sentences might also serve as a way to further describe the topic sentence by giving more details about it. For example, if the topic sentence is about animals kept as domestic pets, the following sentences should relate back to that subject.

On top of this, the topic sentence should always refer back to the thesis statement which was made at the beginning of the essay . You can imagine the thesis statement as being a map which directs the reader as to where you are going with the information and how it is being treated.

Controlling Ideas

When writing a topic sentence, each one should feature a controlling idea. This will serve as an indicator as to where the rest of the paragraph will go and what will be discussed.

Topic Sentences Examples

Now that we are clear on what a topic sentence is, we are going to take a look at some examples to further grow our understanding of them.

‘There are a lot of reasons why (name of a city) is the most polluted in the world.’

The controlling topic here is that there are ‘a lot of reasons’ and the topic is that a certain town is the most polluted.

‘In order to be an effective manager, one must have certain qualities.’

The topic of this sentence is being an effective manager and it has a controlling idea of ‘certain qualities.’

‘There are a lot of factors which contribute to global warming .’

This sentence has a topic of global warming whilst the controlling idea is related to ‘factors which contribute.’

‘We can improve teen pregnancy rates by improving education.’

The topic of this sentence in that teen pregnancy can be improved and the controlling idea is ‘improving education.’

How To Write A Topic Sentence

When it comes to writing a good topic sentence, there are many things that you should take into consideration before you put pen to paper. We are now going to look at the various steps you should take in order to write an effective and strong topic sentence.

Write Your Thesis Statement

Before you can write a topic sentence, you must have a thesis statement. This should be strong and be effective in summing up the purpose of the essay as well as the main argument.

Outline Your Essay And Draft Out The Topic Sentences

The next step is to create your essay outline, this will give your essay structure and will allow you to detail what is going to be discussed in each paragraph. You will also make note of what data and evidence will be included in each of the paragraphs.

This is the point where you can play with words and draft up some topic sentences for each of your paragraphs. A topic sentence needs to be much more specific than your thesis statement but it should relate clearly to it.

Expand With Some Evidence

The remaining sentences within your paragraph should logically flow from the original topic sentence. They should be used to expand on what has been said in the topic sentence. This will not only make your workflow but will also ensure that each paragraph remains focused and relevant to the topic sentence. You should give some evidence to support your topic sentence.

Revise The Topic Sentences

What your topic sentence looks like to begin with may not be how it ends up in the final draft and that is OK. It is very important that you look over and edit each topic sentence within the essay as you go along. This will ensure that they remain relevant to the content of your paragraphs.

When making the final edits for your topic sentences, you should ensure that they are clear enough to allow the reader to know what the paragraph is going to be about but also not so clear that they detail everything you wish to talk about within that paragraph.

Transitions

Your topic sentence will sometimes serve as a transition between your paragraphs and in this case, they may do one of the following things:

Compare and contrast
Emphasise or expand

A topic sentence is one which appears, usually (but not always) at the beginning of each paragraph of an essay. The topic sentence is used to layout the ideas and arguments that will be covered within the paragraph and should be carefully planned out to ensure that they are clear enough to give the reader an idea of what will be discussed but not to give away too much about the content of the paragraph. Your topic sentence may serve one of many purposes including summarising and comparing.

Topic Sentence Infographic

Topic Sentence: Definition, Examples and Useful Tips for Writing A Topic Sentence

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English Grammar

How to Write a Good Topic Sentence

Last Updated: June 26, 2024 Fact Checked

This article was co-authored by Megan Morgan, PhD . Megan Morgan is a Graduate Program Academic Advisor in the School of Public & International Affairs at the University of Georgia. She earned her PhD in English from the University of Georgia in 2015. There are 10 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 2,251,962 times.

Perfecting the skill of writing topic sentences is essential to successful writing. A topic sentence usually comes at the beginning of a paragraph and lets your reader know what to expect from each paragraph. Think of it as the preview for a movie or a headline in a newspaper, highlighting the “main point” that’s to come in that paragraph. [1] X Research source Make sure your topic sentences are up to par, and the rest of your writing will feel like a breeze.

Writing a Successful Topic Sentence

Keep in mind that this is not an invitation to simply announce your topic. “Today I’m going to discuss the benefits of gardening” is not an effective topic sentence. You should be able to make your intentions clear without stating them explicitly.
The topic sentence in this example states a clear direction (“health benefits of gardening”) that you can then elaborate on in your paragraph.

Step 2 Balance the topic sentence between specifics and general ideas.

Don’t write too vague or general an idea or you will never be able to discuss it in a single paragraph. This is too general: “The United States suffered a lot during the Civil War.”
Don’t write too narrow of a statement. There’s nothing much to talk about then, because it’s probably a fact. This is too narrow: “Christmas trees are either cedars or firs."
Instead, aim for a good balance: “Sherman’s destruction in the South during the Civil War also caused incredible suffering.” This is big enough to relate to the broader idea of an essay, but not so narrow that there’s nothing left to discuss.

Describe a character. This can be a physical or emotional description.
Use dialogue. If there is a relevant conversation that will attract your reader’s attention, consider using part of it to start your paragraph.
Portray an emotion. Use the opening sentence to portray an emotion to your reader.
Use detail. While you don’t want to write a run on sentence by creating too much detail, it’s a good idea to create interest using sensory language in your topic sentence.
Avoid rhetorical questions. While you want your reader to formulate questions in his or her mind, you do not want to formulate the questions yourself.

Avoid presenting only facts in your topic sentence. While facts may be interesting, they do not introduce the reader to your paragraph nor do they draw the reader in. If you wish to include a fact, also include your own input. For example, instead of writing “All dogs need food,” try “All dogs need regular care, including healthy food, and children are the best ones to do it.” Alternatively, save your facts to use as evidence in the body of your paragraph.

Step 6 Use the topic sentence as a transition.

Using transitional elements, such as “In addition” or “In contrast,” is a good way to show the relationship between your ideas.
For example: “Although gardening has many health benefits, people still need to exercise caution when outside.” This topic sentence establishes a connection to the main idea of the previous paragraph (“health benefits of gardening”) and points to the direction of the new paragraph (“things to be cautious of”).

Planning Your Topic Sentences

You don’t have to write a formal outline using Roman numerals and the like. Even a loose, idea-based outline can help you know what you want to discuss.

A topic sentence, unlike a thesis statement, doesn’t have to present an argument. It can present a “preview” of what the paragraph will argue or discuss.

For example, a topic sentence could look like this: “In addition, increasing funding for public roads in Jackson County will improve local residents’ quality of life.” The rest of the sentences in this paragraph would relate to the main idea of public roads and how they will help benefit local residents.
This is not as successful a topic sentence: “Increased funding for public roads in Jackson County has decreased traffic by 20%.” While this is probably an interesting fact for your argument, it’s too narrow for a topic sentence. The topic sentence has to direct the whole paragraph.

Avoiding Common Problems

Unless it is an opinion piece, avoid using ‘I’ in your topic sentences.

Rather than stating something like “In the story, Amelia did many good things such as help out her friends, talk to her parents, and support her team at school” say something like “As a result of the many activities Amelia participated in, she was recognized for her positive influence on the community.”

Sample Topic Sentences

Community Q&A

Avoid using words like you or we because it implies you know the reader, which you don’t. Thanks Helpful 0 Not Helpful 0
In formal writing, avoid contractions such as “don’t,” “can’t,” and “isn’t.” Also avoid other common contractions like “would’ve” and “could’ve” which are commonly used. Instead type them out to look like “do not,” “can not”, “is not”, “would have”, and “could have.” Thanks Helpful 0 Not Helpful 0
Type out all numbers under a ten. Thanks Helpful 0 Not Helpful 0

↑ http://www.writing.utoronto.ca/advice/planning-and-organizing/topic-sentences
↑ https://wts.indiana.edu/writing-guides/paragraphs-and-topic-sentences.html
↑ https://owl.purdue.edu/owl/general_writing/academic_writing/paragraphs_and_paragraphing/index.html
↑ https://stlcc.edu/student-support/academic-success-and-tutoring/writing-center/writing-resources/topic-sentence-paragraph.aspx
↑ https://academicguides.waldenu.edu/writingcenter/paragraphs/topicsentences
↑ https://www.rit.edu/ntid/sea/processes/paragraph/process/sentence
↑ https://academicguides.waldenu.edu/writingcenter/writingprocess/outlining
↑ https://www.touro.edu/departments/writing-center/tutorials/topic-sentence/
↑ https://owl.english.purdue.edu/engagement/2/2/57/
↑ http://writingcenter.unc.edu/handouts/paragraphs/

About This Article

If you’re trying to write a good topic sentence, start by clearly stating your main idea, which should include the topic and the position you’re taking on it. Aim to write a sentence that’s broad enough for discussion but narrow enough to be covered in a single paragraph. If you can, start with a hook, like a detail, character, or emotion that would draw in your readers. For more advice from our reviewer on writing a good topic sentence, like how to make it effective while keeping it short and sweet, read on! Did this summary help you? Yes No

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Topic Sentences for Body Paragraphs: Examples and Explanation

An essay with the first sentence highlighted and the words

A key to becoming a better writer is learning how to cover one main idea in each paragraph and write clearly—topic sentences can help you do that by focusing your writing.

Let’s look at what a topic sentence is, how to write a good topic sentence, and topic sentence examples.

What is a topic sentence in a paragraph?

A topic sentence is a sentence that introduces the main idea of the paragraph—it tells the reader what the paragraph is about in a clear and concise manner. It organizes an essay, engages the reader, provides a focus for the paragraph, and relates each paragraph back to the thesis.

A topic sentence is generally the first sentence in your body paragraph or at least at the beginning of the paragraph.

Topic sentences provide structure and organization to your essay—this is helpful for both the writer and the reader.

You have to build on your topic sentence. You make your claim in the topic sentence, which serves as a base to add your supporting details, evidence, and examples that strengthen your argument.

The purpose of a topic sentence is to provide a clear focus for your paragraph and preview what you will discuss in the paragraph.

Is the topic sentence always the first sentence?

The topic sentence is usually at the beginning to help the reader understand what the paragraph is about. However, a topic sentence can be in the middle or end of the paragraph (though this would be rare for body paragraphs).

Can a topic sentence be more than one sentence?

A topic sentence is traditionally one sentence—this is recommended to state your point clearly and concisely. However, a topic sentence can be 2 or 3 sentences long if you are explaining the claim.

If you decide you must make your topic sentence longer to express your main idea, make sure to edit and try to remain as concise as possible. Also, do not overly use multiple topic sentences, as this can make your essay lack focus or structure.

Topic sentences for paragraphs that are not a part of an essay

What is a good topic sentence.

A good topic sentence is clear and concise. It is general enough to cover what the entire paragraph is about but specific enough to make it easy to understand the main idea of what will be discussed. It should relate back to the thesis or question and help maintain the flow of the essay.

How to write a topic sentence for a body paragraph

Effective strategies for writing a topic sentence include that you pivot between ideas, make sure that you express the topic and what you will talk about in the paragraph, and use transition words—such as although, another example/way/argument, even though, in addition to, likewise, therefore, or however.

Make sure you then expand on the statement and give supporting details and reasons, examples, or sources.

Topic sentences for body paragraphs examples

Let’s look at topic sentences that illustrate your point that you will expand on, provide transitions, compare and contrast topics, show cause and effect relationships, express counterclaims that you will proceed to address, or answer a question.

Example 1: Stating your claim

These could look like:

If I only talk about the benefits of learning a new language on your memory, I would make my topic sentence more specific—”Learning a new language can improve a person’s memory.”

Example 2: Transitions

If your writing an opinion essay about why dogs make the best pets, and your previous paragraph said that they are good companions because they are loyal, your next paragraph could start with the topic sentence: “Another reason why dogs are good companions is that they are affectionate.”

Example 3: Compare and contrast topics

For example: “While in-person classes offer better social interactions, online classes offer more flexibility.”

Example 4: Show cause and effect relationship

Example 5: introduce a counterclaim.

A topic sentence can also introduce a counterclaim.

Example 6: Answering a question

Let’s look at an example of a topic sentence that answers a question.

You can also answer a question in a topic sentence in an essay if you end the previous paragraph with a question.

Now that you know how to write a topic sentence and have seen topic sentences for body paragraphs examples, you are well on your way to becoming a better writer.

II. Examples of a Topic Sentence

The purpose of your paragraph will be made clear in your topic sentence. The most common reasons for writing are to persuade, to inform, and to entertain. It is also possible that a sentence could do more than one of these.

You will often use a persuasive topic sentence when writing for school, such as in literary essays .

The character Pip in the novel Great Expectations learns the importance of loyalty through his interactions with the convict Abel Magwitch.

An informative topic sentence is often found in scientific articles.

White blood cells help fight infections by attacking bacteria, viruses and germs that invade the body.

Topic sentences that entertain are sometimes found in magazines or other less formal writing.

It’s not hard to raise a bad child if you follow these simple instructions.

III. Parts of a Topic Sentence

There are just two parts in a topic sentence, the topic and the controlling idea. The topic is WHAT the paragraph is about, and the controlling idea explains WHY you are writing the paragraph. In the examples below, the topic is in orange and the controlling idea is in green .

Joseph loves to spend time with his friends .

What/who is this paragraph about? Joseph. Why is this paragraph being written? To explain something that Joseph loves to do.

Disneyland is the happiest place on Earth .

What/who is this paragraph about? Disneyland. Why is it being written? To show why Disneyland is the happiest place on Earth.

IV. Placement of Topic Sentences

A. initial placement.

The most common place for a topic sentence is at the beginning of the paragraph because it explains what the paragraph is going to discuss. The initial placement helps the writer organize the paragraph and tells the reader what to expect right in the beginning.

The best things in life are free . Although most people work hard to buy a good home or a nice car, those are not the things that they care about the most. At the end of their lives, they don’t want to hug their cars, or the walls of their fine houses. They want to be surrounded by the people they care about and who care about them. Kindness is free. Love is free. Friendship is free (or at least it should be!). Of course it is important to make money to survive, but love is important to live happily.

b. Final Placement

Sometimes the topic sentence is at the end of the paragraph, especially when the paragraph is a narrative or a mysterious story. Placing it at the end creates suspense or sometimes works to tell the point of the story.

The wealthy man was dying. He called for his friends and family to be near him and placed a hand on each one’s shoulder. They cried because they would miss him, and he cried because he had no more time to share with them. The beautiful things that he’d purchased over the years held no meaning. He didn’t care about his diamonds or his yacht or his large home. He cared for his children and the love they shared. They were here with him now and held his hands. He was glad he’d learned the most important lesson in life: the best things in life are free .

c. Medial Placement

The last place, the least common place for a topic sentence, is in the middle of the paragraph. The medial topic sentence usually functions as a transition between two ideas or details. This works when you want to show that there are two (sometimes opposite) points to an issue, but the one you are arguing, the second point, is stronger, more specific, or more important. This topic sentence is generally introduced with a transition signal.

You can’t survive on love alone. People need money for basic necessities: food, shelter and clothing. Without money, life would be uncomfortable and difficult. However, time and energy should not be completely spent on making money because the best things in life are free . Having fun with friends and family is more important and more satisfying than buying a new car or nice clothes. People provide warmth, affection, understanding, and most of all, love. Money can’t love you back, and it does not guarantee happiness. Some of the richest people in the world are miserable, while some of the poorest people in the world are happy because they have the simple joy of loving people in their lives.

V. How to Write a Topic Sentence

A. the best way to write your topic sentence is to consider why you are writing the paragraph.

Decide on your reason for writing the paragraph
After you have figured that out, write down the important details you want to include and see what they all have in common.
Summarize the details into one sentence.

For example, if you want to write about your favorite movie, think about all the reasons that you like it. Is it funny? Exciting? Dramatic? Romantic? Be sure not to include too many things or else you will end up with an essay instead of a simple sentence. Once you have decided on your details, you are ready to write the topic sentence.

Here’s an example, the topic will be in orange and the controlling idea will be in green :

The best movie ever made was “Star Wars: the Force Awakens” because it was exciting and surprising .

An important point to remember is that the topic sentence should contain all relevant information that’s going to be in the paragraph. There should be no information about romance or comedy. It should only talk about what made the movie exciting.

b. Mistakes to Avoid

One of the biggest problems students face is keeping a paragraph or essay on topic. Sometimes they will write a good topic sentence but halfway through the paragraph, they think of another good idea and follow that. Without revision and editing, the topic sentence will not serve its purpose in the paragraph.

The best vacation I ever had was in Hawaii. The beaches were so beautiful and clean that swimming in them was like a dream . I especially loved the Waikiki beach. At night, there were free shows with dancers and live music. The music was so good that it made me want to dance. Dancing is my favorite thing to do in the world. When I was young, I studied ballet and tap dance. I’m thinking about taking it back up again. I might even study hip-hop!

The paragraph started out with Hawaii and end up with hip-hop dancing. You can see how the writer’s train of thought began to wander in the seventh sentence. With a different topic sentence, it would be possible to save this paragraph. Consider how different the direction would be with the following topic sentence.

The best vacation I ever had was in Hawaii. I especially loved the Waikiki beach. At night, there were free shows with dancers and live music. The music was so good that it made me want to dance and reminded me that dancing is my favorite activity in the world. In fact, when I was young, I studied ballet and tap dance. The dancing that I saw in Hawaii inspired me to get back into dancing . I might even study hip-hop!

With this new topic sentence, the second sentence would have to be eliminated or changed a bit. You can see how easy it is to get off-topic, but with a good topic sentence, and constant reference back to it, you are less likely to have that problem.

VI. So remember

A topic sentence needs to contain the topic of your paragraph and a controlling idea.
Everything in the paragraph should be connected to the topic sentence.
The placement of the topic sentence depends on the type of paragraph.

VII. Exercises

Each of the paragraphs in this exercise has three possible topic sentences following it. Choose the best one and make sure that it includes the main idea of the paragraph.

1. _____________________________________________. In fact, he usually shows up five minutes early everywhere he goes. Because he’s so considerate, he hates to keep people waiting. He also believes that being early creates a better expereince. One time, when we were going to a movie together, John arrived thirty minutes earlier just so he could get the best seats in the theatre. I’m glad to have such a punctual friend.

a. John loves going to the movies.

b. John is always on time.

c. John hates to be kept waiting.

2. _________________________________________. The place is never crowded, but the service is still terrible. It seems like the staff has better things to do than wait on customers. Once I waited ten minutes just to buy a slice of pizza, and I was the only person in the whole store! I recommend staying away from Billy Bob’s Pizzeria.

a. Billy Bob’s Pizzeria has the worst pizza.

b. Billy Bob’s Pizzeria is an unpopular place to eat.

c. Billy Bob’s Pizzeria has terrible customer service.

3. I walked slowly down the dark path, afraid of my own shadow. But the tug on the leash propelled me forward. Buck, my golden retriever, was determined to take the most deserted trails through the forest. I could hear unfamiliar noises on all sides and urged Buck to do his business quickly. Oh, why couldn’t he be toilet trained? That would be better for everyone! _____________________________________.

a. Buck is an inconsiderate dog.

b. I hate walking my dog at night.

c. The forest is a dangerous place to walk at night.

4. Generally speaking, zoos these days are losing popularity. Many people feel that it’s unfair to lock up wild animals to entertain humans. ________________________________ . Some zoos go to great lengths to build a good environment for its animals. The good zoos treat their animals well and provide opportunities for the public to learn about the natural world. The best zoos protect endangered species and raise awareness about animals and their habitats.

a. Zoos perform a valuable service to society and should be part of every person’s childhood memory.

b. Zoos are horrible places that should be shut down because it’s not humane to lock up wild animals.

c. Zoos that do their best to make a pleasant habitat for the animals can be a pleasant place to visit.

List of Terms

Alliteration
Amplification
Anachronism
Anthropomorphism
Antonomasia
APA Citation
Aposiopesis
Autobiography
Bildungsroman
Characterization
Circumlocution
Cliffhanger
Comic Relief
Connotation
Deus ex machina
Deuteragonist
Doppelganger
Double Entendre
Dramatic irony
Equivocation
Extended Metaphor
Figures of Speech
Flash-forward
Foreshadowing
Intertextuality
Juxtaposition
Literary Device
Malapropism
Onomatopoeia
Parallelism
Pathetic Fallacy
Personification
Point of View
Polysyndeton
Protagonist
Red Herring
Rhetorical Device
Rhetorical Question
Science Fiction
Self-Fulfilling Prophecy
Synesthesia
Turning Point
Understatement
Urban Legend
Verisimilitude
Essay Guide
Cite This Website

How To Write An Essay

Topic Sentence

Learn How to Write a Topic Sentence that Stands Out

Published on: Jan 13, 2021

Last updated on: Jul 23, 2024

What is a Topic Sentence?

A topic sentence is the first sentence of a paragraph in an essay that introduces the main idea or topic of that paragraph. It serves as a roadmap for the reader, letting them know what to expect in the upcoming paragraph.

Purpose of Topic Sentence

The purpose of a topic sentence is to clearly and concisely convey the main point of the paragraph to the reader.

It helps to guide the reader through the essay, making it easier for them to follow the overall argument or narrative.

Features of a Good Topic Sentence

A good topic sentence has a few key features. Letâs take a look:

Expresses the main idea of the paragraph or essay clearly and concisely.
Is specific and focused , avoiding vague or overly general statements.
Introduces the main point and is typically located at the beginning of the paragraph or essay.
Presents a claim or position that is arguable or debatable, which the rest of the paragraph or essay will support.
Can be a complete sentence or a concise phrase that effectively conveys the main idea.
Is relevant to the thesis statement and overall topic of the essay.
Engages the reader by creating interest and highlighting the significance of the topic.
Is well-written and avoids grammar and spelling errors.
Provides a roadmap for the rest of the paragraph or essay by indicating what will be covered.
Encourages coherence and unity in the writing by linking the paragraph or essay to the broader topic.

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Types of Topic Sentences

There are several different types of topic sentences that can be used in writing to introduce the reader through a paragraph or essay.

Simple Statement Topic Sentence This is the most common type of topic sentence, which straightforwardly states the main point or idea of the paragraph or essay.

Example: The rise of social media has revolutionized the way people communicate with each other.

Complex Topic Sentence This type of topic sentence is more nuanced and may require some explanation or elaboration to fully understand.

Example: While the rise of social media has had many positive effects on communication, it has also led to concerns about privacy and online harassment.

Pivot Topic Sentence A pivot topic sentence begins by connecting the current paragraph or idea to the previous one, before pivoting to introduce a new point or idea.

Example: Building on the idea of social media's impact on communication, it is important to consider how it has also affected business and marketing strategies.

Question Topic Sentence A question topic sentence poses a question that the rest of the paragraph or essay will answer or explore.

Example: How has social media changed the way businesses interact with customers and advertise their products?

Command Topic Sentence This type of topic sentence gives a directive or instruction, often used in persuasive or argumentative essays.

Example: Support local businesses by shopping at independently owned stores instead of large chains.

How to Write a Topic Sentence?

Here are a few instructions to help you write a good topic sentence.

Step#1 Clearly State The Main Idea

A topic sentence is the first paragraph of the paragraph. It must clearly explain the particular subject that would be discussed in the paragraph. This should be stated in very clear language so that the reader can easily understand the idea.

Also, it should include a bit of your personal opinion and also the main idea.

Step#2 Hook Your Reader

Grab your reader's attention with an intriguing topic sentence. It would excite and make the reader curious about the content and convince them to read the particular part.

Look out for some amazing hook examples and see what fits your essay type.

Use a meaningful and relevant question or a fact as a topic sentence of the paragraph. Make sure that you have identified your audience and are developing everything accordingly.

Step#3 Keep It Short and Precise

The paragraph topic sentence must be expressive enough that a reader understands your point of view effortlessly. This is only possible if you keep everything to the point, short, and meaningful.

Choose the words in such a way that they help you express your idea in an ideal way. Avoid using complex sentences and use independent clauses.

A topic sentence acts as a link between a paragraph and the main thesis statement. It should be specific and connected to the overall essay. Keeping it short and precise helps maintain the paragraph's flow and its relevance to the rest of the writing.

Step#4 Give A Reasonable Opinion

The body paragraph explains a topic sentence. This is why it is important that you should write this sentence in such a way that it can be explained in the paragraph. If you are mentioning a fact in the topic statement, make sure that you have authentic evidence to support it.

While the topic sentence is an integral part of the paragraph, it should stand out and possess a distinctiveness that sets it apart from the other sentences. This can be achieved by employing transition words and establishing connections between sentences.

Step#5 Use The Topic Sentence As A Transition

The topic sentences that serve as transition sentences can be considered a guide for the readers. This way, they can help the reader to move through the essay in a flow.

Write this sentence in such a way that it creates a gateway between the previous paragraph and the rest of the essay. Moreover, it will also help keep the essay organized, and the reader understands the point of a paragraph.

Step#6 Look For Some Good Examples

Examples can help you learn a thing in a better way. If you are new to writing topic sentences, it can help to look at some examples. Find some great examples of topic sentences relevant to your essay topic.

Difference Between Topic Sentence and Thesis Sentence

Here's a table outlining the differences between a topic sentence and a thesis statement:


	A sentence that introduces the main idea or topic of a paragraph	A statement that presents the main argument or claim of an essay or research paper
	Typically found at the beginning of a paragraph	Typically found at the end of an introduction
	Limited to one paragraph	Spans the entire essay or research paper
	Introduces the main idea of a paragraph and connects it to the thesis statement	Presents the main argument or claim of an essay and provides a roadmap for the reader
	Helps to organize the content of the paragraph and keeps the writer focused on the main point	Helps to organize the content of the entire essay or research paper and guides the reader through the argument

Good Topic Sentence Examples

Here are ten examples of good topic sentences:

"Despite the advancements in technology, traditional forms of communication are still essential in today's society."
"The theme of power is prevalent throughout Shakespeare's play, Macbeth."
"In recent years, there has been a growing concern over the impact of climate change on our planet."
"The legalization of marijuana has been a topic of debate for many years." "Education is the key to success in life."
"The rise of social media has greatly impacted the way we communicate with one another."
"The effects of childhood trauma can have a lasting impact on mental health."
"The concept of justice is explored in depth in Harper Lee's To Kill a Mockingbird."
"Eating a balanced diet is crucial for maintaining good health."
"The Industrial Revolution had a profound effect on the world as we know it today."

The Bottom Line!

An opening sentence is crucial to grab your reader's attention and set the tone for your piece of writing. The topic sentence introduces the controlling idea and acts as an important sentence in the essay outline.

Effective topic sentences are necessary for a well-structured and organized essay. It's an integral part of the writing process that should not be overlooked.

Make sure to spend time crafting a compelling topic sentence that clearly conveys your main point and guides your readers throughout your essay. You can even take ideas from an AI essay generator to get started.

However, if you find yourself struggling to write a good opening sentence, don't worry! CollegeEssay.org is here to help you with all your writing needs. We have the best online essay writing service providing top-quality essays that are sure to impress your professors.

So, why wait? Contact our essay writing service now and take the first step toward academic success!

Frequently Asked Questions

How long is a topic sentence.

A topic sentence can be multiple sentences long. The first sets the context for your ideas, while the second provides more depth on what you are saying beyond just stating it outright.

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6 Exercises for Teaching Topic Sentences

A topic sentence is the most important sentence in a paragraph. It tells the reader what the paragraph is about. If you don’t know how to write a topic sentence, your paragraph will probably be confusing. A well-written topic sentence can make your paragraph more interesting.

1 Introduction to topic sentences quiz

Subscribe to eslflow, 2 sentence starters for topic sentences.

Sentence starters provide an easy and smooth way of getting students familiar with topic sentences.

(download PDF)

3 Understanding topic sentences

4 writing topic sentences for essays and paragraphs (with possible answers).

In this worksheet students practice writing topic sentences by looking at the pictures, thinking about what kind of essay each picture might inspire, and writing an appropriate topic sentence.

5 Creating topic sentences from supporting ideas

6 writing topic sentences for paragraphs or essays (with possible answers).

Topic sentences are essential for summarizing the main idea of a paragraph. Paragraphs often have topic sentences supported by three ideas. So in this worksheet students practice writing topic sentences by looking at the pictures and trying to summarize three ideas in one topic sentence.

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RECENT ESL EXERCISES

What are examples of the 7 types of topic sentence?

This is the third and final chapter about Topic Sentences . To complete this reader, read each chapter carefully and then unlock and complete our materials to check your understanding.

– Review the key aspects of effective topic sentences

– Introduce seven types of academic topic sentence

– Provide authentic examples with annotations to help guide the reader when writing academic body paragraphs

Chapter 1: Why should body paragraphs have topic sentences?

Chapter 2: How can I write effective academic topic sentences?

Chapter 3: What are examples of the 7 types of topic sentence?

Before you begin reading...

video and audio texts
knowledge checks and quizzes
skills practices, tasks and assignments

Now that we know what a topic sentence is (Chapter 1) and have discussed the top twelve tips for writing effective topic sentences (Chapter 2), this final chapter in our short reader provides students and tutors with numerous academic examples of successful topic sentences. We’ve divided these examples into seven types and have bolded the key structural language that you may wish to use when constructing your own topic sentences.

Please note that in the following examples, we use brackets to identify the [thesis] and the (main ideas) and bold to indicate the structural language.

Remember also, topic sentences :

– set the tone of the paragraph

– may be one or multiple sentences

– remind the reader of the essay thesis

– introduce the paragraph’s main idea(s)

– are found at the start of a body paragraph

– transition between ideas and body paragraphs

Type 1: Single-Sentence Topic Sentences

Most topic sentences are composed of a single sentence and are placed at the very beginning of a body paragraph :

One reason for the increase in [air pollution in China] in recent years is likely due to the (increase in coal consumption).
There is significant evidence to suggest that a [plant-based diet] is (healthier during childhood) than a meat-based diet.
Research indicates that the only way to [reduce global warming] on a global scale is to significantly (reduce the consumption of fossil fuels).

Type 2: Multiple-Sentence Topic Sentences

Some topic sentences may require more than one sentence to provide their [thesis] and (main ideas):

There are many reasons for the [increase in cancer rates in the developed world]. One of the most significant causes may be the (increased levels of river pollution) found in poorer countries.
Many researchers believe that the [polar ice caps are in fact melting] at unprecedented rates. Some evidence indicates that this may be (directly due to carbon dioxide emissions) more than any other greenhouse gas.
The literature indicates that [obesity levels] are indeed at an all time high [in developed countries]. What causes this is a matter of contention , but many believe that (the over consumption of sugar) is one of the main culprits .

Type 3: Transitional Topic Sentences

Many topic sentences also function as transitional devices, allowing the reader to move smoothly from one paragraph’s main idea to another. Words such as ‘in addition’ for example can remind the reader of the previous main idea, and words such as ‘although’ and ‘while’ can demonstrate an opposing argument or a concession :

In addition to (human health), [the meat industry] is also having a negative effect on (the health of the farmed animals).
While it may be true that overall [human health is (hardly affected) by air pollution], the seriousness of the effect this pollution has on (the pulmonary system) is often understated.
In contrast to the argument that (public transportation) does not significantly affect [air quality], there is much research to suggest that (leaded petrol) is incredibly polluting.

Though less academic in style, some writers may even choose to write interrogative topic sentences – meaning that they include or imply a direct or indirect question within their structure:

While there has been much investigation into [the spread of English as a global language], what many linguists wish to know is whether (English will become the sole global language) in the not-too-distant future.
One question is whether [the shift in teaching to online platforms] will (change the relationship between the student and the tutor).
Is it likely that [the increase in popularity of urban living] will continue to rise well into the 21st century as the types of (job shift from industry-based to being predominantly online)?

Type 5: Topic-Changing Topic Sentences

Also known as ‘pivots’ are topic sentences which move the reader from one main ideas to another within the same paragraph or which reverse the argument’s direction (i.e., from counter argument to argument). Argument reversals are usually introduced with words like ‘however’ or ‘even though’, while words such as ‘additionally’ or ‘secondly’ transition to the next main idea of that paragraph:

However, there is in fact contrary evidence to suggest that [the rising national debt levels] may not have a direct impact on (per-capita GDP).
Additionally , (China) may be a rising contender for world hegemony in competition with the [USA’s hegemonic status].
Even though the above studies provide convincing evidence , there are still more examples that demonstrate how [job security] and (socioeconomic status) are clearly linked.

Type 6: Multiple-Main-Idea Topic Sentences

Some topic sentences may even contain multiple main ideas, although as we mentioned in Lesson 2, it’s never a good idea to include more than one main idea in a body paragraph as your investigation will become too shallow:

Two reasons for [the increase in the consumption of high-sugar food products] are (TV advertising) and (product placement in TV series).
There is much evidence to demonstrate how (exercise) and (restful sleep) are two of the most important factors in [life extension].
It is also clear that without significant (guidance from tutors) and (parents), most students do not make well-informed decisions about [which degree to choose].

Type 7: Multiple-Paragraph Topic Sentences

Finally, there are topic sentences that are able to introduce more than one paragraph. Such sentences might come at the beginning of the body section and prepare the reader for a comprehensive investigation of one or two main ideas, or they may be included every couple of paragraphs if the main idea cannot be argued comprehensively within one paragraph alone:

When it comes to the question of whether [heart disease and smoking] are linked, there is convincing information on (both sides of the argument).
As the following paragraphs demonstrate , there is significant empirical data proving that a predominantly [plant-based diet] is (healthier) for humans than a predominantly meat-based one.
There are (multiple examples) that clearly demonstrate the [influencing effect that the media has over the general public].

Good work on completing this academic reader on topic sentences . You’ll probably now wish to unlock and download our worksheets for this chapter so that you can check your progress and understanding. Then consider completing another one of our short readers on body paragraphs or essay writing in general.

To reference this reader:

Academic Marker (2022) Topic Sentences . Available at: https://academicmarker.com/essay-writing/body-paragraphs/topic-sentences/ (Accessed: Date Month Year).

Harvard University Writing Center
Touro University Writing Center
Walden University Writing Center

Downloadables

Once you’ve completed all three chapters in this academic reader about Topic Sentences , you might then wish to download our Chapter Worksheets to check your progress or print for your students. These professional PDF worksheets can be easily accessed for only a few Academic Marks .

Chapter 1 explores the topic: Why should body paragraphs have topic sentences? Our Chapter 1 Worksheet (containing guidance, activities and answer keys) can be accessed here at the click of a button.

Chapter 2 explores the topic: How can I write effective academic topic sentences? Our Chapter 2 Worksheet (containing guidance, activities and answer keys) can be accessed here at the click of a button.

Chapter 3 explores the topic: What are examples of the 7 types of topic sentence? Our Chapter 3 Worksheet (containing guidance, activities and answer keys) can be accessed here at the click of a button.

To save yourself 2 Marks , click on the button below to gain unlimited access to all of our Topic Sentences Chapter Worksheets. This All-in-1 Pack includes every chapter, activity and answer key related to this reader in one handy and professional PDF.

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IMAGES

TOPIC SENTENCES ANCHOR CHART 2
The topic sentence is a key element to writing on topic
Topic sentence anchor chart
samples of writing topic sentence , supporting sentences and concluding
Topic Sentence: Definition, Examples and Useful Tips for Writing A
How to write a good topic sentence in Academic Writing

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COMMENTS

How to Write Topic Sentences
Step 3: Expand with evidence. The rest of the paragraph should flow logically from the topic sentence, expanding on the point with evidence, examples, or argumentation. This helps keep your paragraphs focused: everything you write should relate to the central idea expressed in the topic sentence. In our example, you might mention specific ...
12 Examples of Good Topic Sentences (and Why They Work)
4 argumentative essay topic sentences. Topic Sentence #5: Finally, the most compelling reason that Treasure Island should be considered the best pirate novel is its unique plot. Topic Sentence #6: One of the first strategies companies need to implement in order to protect their ships from pirates near the Somali coast is to require armed security on all vessels.
How to Write a Strong Topic Sentence + Examples
Step 3: Make your essay outline. Once you have the points you want to make within your thesis statement hammered out, make an outline for your essay. This is where you'll start to create your topic sentence for each paragraph. You want to clearly state the main idea of that paragraph in the very first sentence.
How to Write a Topic Sentence (30+ Tips & Examples)
Tip #1: State the Main Idea Clearly. Make sure your topic sentence introduces the primary idea succinctly. Avoid vague language or cluttered wording. Your reader should immediately understand the topic. Example: Clear: "Recycling programs reduce landfill waste by promoting reusable packaging.".
Examples of Topic Sentences That Make the Purpose Clear
Make yours one to remember with these topic sentence examples. ... Topic sentences as transitions help the essay feel smoother and more cohesive to the reader. Examples of topic sentences as transitions include: Another way to reduce teen pregnancy rates is improved education.
Topic Sentences and Signposting
Topic sentences and signposts make an essay's claims clear to a reader. Good essays contain both. Topic sentences reveal the main point of a paragraph. They show the relationship of each paragraph to the essay's thesis, telegraph the point of a paragraph, and tell your reader what to expect in the paragraph that follows. Topic sentences also ...
10 Effective Topic Sentence Examples for Engaging Essays
For example, if you are writing an essay about domestic violence, your topic sentence could be: 1 in 4 men have experienced domestic violence from a partner. That is an interesting fact that most people do not know since most domestic violence information focuses on violence against women. However, it is just a fact.
How to Write a Topic Sentence: 3 Topic Sentence Examples
How to Write a Topic Sentence: 3 Topic Sentence Examples. Written by MasterClass. Last updated: Sep 28, 2022 • 3 min read. Learn how to write topic sentences to support the main thesis of any piece of writing. Explore.
Writing Topic Sentences
While an essay's thesis statement identifies the point of the essay in its entirety, the topic sentence has a much narrower focus, as it relates only to the paragraph in which it is located. ... Topic sentence examples. The following list identifies topic sentences based on the provided thesis statements for five-paragraph essays:
What is a Topic Sentence & How to Write it
Essentially, it is a concise and direct statement that captures the essence of what you want to convey. A topic sentence is defined by the following characteristics: It is the first sentence of a paragraph. It indicates the main idea of the paragraph. Acts as a signpost and transition sentence, ensuring clarity and cohesiveness of an essay.
30 Topic Sentence Examples
What is an essay without a topic sentence? Well, confusion. In your writing, the topic sentence introduces what the paragraph will be about. It should cover the topic of the paragraph and the prime focus of what you want to discuss in the next several lines. And it can assist in smoothly transitioning into the next paragraph, the next point you're about to make.
How to Write a Topic Sentence for an Essay: Steps & Examples
1. Determine the Main Idea of Your Writing. Before you write a topic sentence for body paragraphs, identify your essay's main idea, or the point you're trying to prove. The key argument is usually hidden in your thesis statement. Read through your thesis and think about the overall point that you are trying to make.
Topic Sentence: Definition, Examples and Useful Tips for Writing A
Conclusion. A topic sentence is one which appears, usually (but not always) at the beginning of each paragraph of an essay. The topic sentence is used to layout the ideas and arguments that will be covered within the paragraph and should be carefully planned out to ensure that they are clear enough to give the reader an idea of what will be ...
How to Write a Good Topic Sentence: 14 Steps (with Pictures)
1. Avoid introducing yourself. Although topic sentences vary in structure and content from person to person, at least two things can be assumed about your paper: 1) that you have a title and entire paper to introduce a topic, and 2) your personal information is present somewhere on your essay.
Topic Sentences for Body Paragraphs: Examples and Explanation
A topic sentence is a sentence that introduces the main idea of the paragraph—it tells the reader what the paragraph is about in a clear and concise manner. It organizes an essay, engages the reader, provides a focus for the paragraph, and relates each paragraph back to the thesis. A topic sentence is generally the first sentence in your body ...
How To Write a Topic Sentence (With Examples and Tips)
1. Identify the main point in your piece of writing. Think about the overall topic for your writing. Decide how you can introduce this idea to your readers with an interesting opening sentence. 2. Write a sentence that connects to your main idea with a what and a why. Write a clear topic sentence by describing the what and the why of an idea ...
Topic Sentence
The topic sentence contains two parts: the topic and a controlling idea. The topic is WHAT the paragraph is going to be about, and the controlling idea explains WHY the paragraph is being written. The topic sentence helps your reader understand the purpose of your paragraph. II. Examples of a Topic Sentence.
How to Write a Topic Sentence
Step#1 Clearly State The Main Idea. A topic sentence is the first paragraph of the paragraph. It must clearly explain the particular subject that would be discussed in the paragraph. This should be stated in very clear language so that the reader can easily understand the idea.
Writing topic sentences
Topic sentences are essential for summarizing the main idea of a paragraph. Paragraphs often have topic sentences supported by three ideas. So in this worksheet students practice writing topic sentences by looking at the pictures and trying to summarize three ideas in one topic sentence. Writing topic sentences for paragraphs or essays (PDF)
PDF TOPIC SENTENCES Topic Sentence
TOPIC SENTENCES Topic Sentence. IC SENTENCESTopic Sentence It informs the reader about the main idea of the paragraph and s. the focus of the paragraph. It consists of the. ic and the directing words. It is usually the first sentence in the paragraph, but it may come. itional sentence.Examples:Returning to college to further my education was.
What are examples of the 7 types of topic sentence?
Remember also, topic sentences: - set the tone of the paragraph. - may be one or multiple sentences. - remind the reader of the essay thesis. - introduce the paragraph's main idea (s) - are found at the start of a body paragraph. - transition between ideas and body paragraphs. Type 1: Single-Sentence Topic Sentences.
30 Examples of Topic Sentences (by grade level)
Elementary students often write simple topic sentences that focus solely on the main idea of the paragraph. Some examples of topic sentences for this age group include: When we had a snow day, I made snow angels, drank hot cocoa, and went sledding. Students should not have to do homework because it takes a lot of time.


Cause	Compelling	Demonstrate
Effect	Provocative	Highlight
Solution	Controversial	Argue
Finding	Effective	Explore
Challenge	Critical	Analyze
Opportunity	Challenging	Support
Development	Intriguing	Refute
Benefit	Puzzling	Explain
Limitation	Unexpected	Clarify
Trend	Impactful	Evaluate

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Table of contents

Step 1: Write a thesis statement

Thesis statement example

Step 2: Make an essay outline and draft topic sentences

Topic sentence example

Step 3: Expand with evidence

Step 4: Refine your topic sentences

Don't submit your assignments before you do this

Emphasize and expand

Summarize and anticipate

Compare and contrast

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How to Write a Strong Topic Sentence + Examples

What’s Covered:

Elements of a Good Topic Sentence

What Is a Topic Sentence?

Writing a Good Topic Sentence: 5 Steps

Step 2: Create a thesis statement.

Step 3: Make your essay outline.

Step 4: Begin writing your essay.

Step 5: Proofread and check your resources.

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Make sure your topic sentence isn’t too vague.

Choose a reasonable opinion.

Use your topic sentence as a transition.

Keep your topic sentence short.

Don’t wait until the last minute.

Don’t forget to write an outline.

Ask for help if you need it.

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Related CollegeVine Blog Posts

How to Write a Topic Sentence (30+ Tips & Examples)

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Types of Topic Sentences

My 30 Best Tips for Writing a Topic Sentence

Tip #1: State the Main Idea Clearly

Tip #2: Keep It Simple and Direct

Tip #3: Link to the Previous Paragraph

Tip #4: Avoid Announcing Your Intentions

Tip #5: Vary Sentence Structure

Tip #6: Be Specific, Not General

Tip #7: Reflect Your Argument’s Tone

Tip #8: Include a Controlling Idea

Tip #9: Use Active Voice

Tip #10: Make It Unique

Tip #11: Create Curiosity

Tip #12: Support Your Thesis

Tip #13: Focus on One Point

Tip #14: Use Key Terms From the Prompt (if applicable)

Tip #15: Offer Context

Tip #16: Incorporate Comparisons

Tip #17: Present Solutions

Tip #18: Address Common Misconceptions

Tip #19: Use Emotional Appeals

Tip #20: Avoid Redundancy

Tip #21: Ask a Thought-Provoking Question

Tip #22: Include an Action Verb

Tip #23: Paint a Picture

Tip #24: Use Parallel Structure

Tip #25: Emphasize Urgency

Tip #26: Highlight Contrasts

Tip #27: Lead with a Statistic

Tip #28: Build on Existing Knowledge

Tip #29: Start with an Anecdote

Tip #30: Use an Engaging Metaphor

Final Thoughts: How to Write a Topic Sentence

Writing Topic Sentences — Purpose, Structure, and Examples

What is the purpose of a topic sentence?

How to write a topic sentence

Where is the topic sentence in a paragraph?

Topic sentence examples

What is a Topic Sentence - An Easy Guide with Writing Steps & Examples