The Function of a Sentence or Paragraph

Every sentence and paragraph in a well-written passage is there for a reason. Instead of asking only what a line says, you can ask what it does — the job it performs in the passage.

The function of a sentence or paragraph is the role it plays in the larger text: to introduce an idea, to support a point with evidence, to offer a contrasting view, to give an example, or to transition between ideas. Function questions ask about purpose, not just content — why the author put it there.

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Asking What a Sentence Does

Content is what a sentence says; function is why it is there. Take a paragraph arguing that a park would help a town, followed by the sentence “Still, some residents worry about the cost.” Its content is a concern about money, but its function is to introduce a contrasting view. Common functions include introducing a topic, giving an example, providing evidence, defining a term, raising an objection, and drawing a conclusion. When a question asks what a sentence “does” or “accomplishes,” look at how it fits with the sentences around it. Ask, “Why did the author include this here, and what would be lost if it were removed?” The answer reveals its job.

The Job of a Paragraph

Whole paragraphs have functions too. An opening paragraph often introduces the topic or states the main claim. A middle paragraph might develop one supporting reason, provide an example, or address a counterargument. A closing paragraph usually sums up or calls the reader to act. If a passage argues for recycling and one paragraph tells the story of a town that saved money by recycling, that paragraph’s function is to give supporting evidence through an example. To find a paragraph’s job, sum up its point in a few words, then ask how it serves the passage as a whole. Seeing these roles helps you follow the author’s plan and answer purpose questions with confidence.

Watch: A Short Video Lesson

Khan Academy gives a clear overview to go with this lesson:

A Routine for Function Questions

1. Distinguish what the text says from why it is there.
2. Look at how the sentence or paragraph fits with what surrounds it.
3. Ask what would be lost if it were removed.
4. Name the job: introduce, support, contrast, exemplify, or transition.

Practice

1. What is the function of a sentence or paragraph?
2. How is function different from content?
3. What is the function of “Still, some residents worry about the cost”?
4. Name two common functions a sentence can have.
5. What does an opening paragraph often do?
6. What question helps reveal a paragraph’s job?

Answers

1. The role it plays in the larger text.
2. Function is why it is there; content is what it says.
3. To introduce a contrasting view.
4. Any two: introduce, give an example, provide evidence, define, object, conclude.
5. Introduces the topic or states the main claim.
6. How does it serve the passage as a whole?

Where This Fits in Your RLA Prep

Function questions build on the anatomy of a paragraph and lead to transitions between sections. See every topic on the Language Arts Prep Hub.

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