Diagramming Sentences
Chapter 1: Subjects & Verbs

Diagramming sentences will help you learn grammar.

It will also help you write better, and it's fun! Are you ready to learn some basic diagramming with these exercises? Great!

There are five questions for each section. The answers are at the bottom of the page. Don't peek until you've tried them!


1.0 Diagramming Subjects & Verbs

Subjects tell us whom or what a sentence is about. Verbs tell us what the subject is or does.

Directions: Diagram the following sentences. Put the subject on the left side of the vertical line and the verb on the right side of the vertical line.

Helping verbs are part of the verb, so helping verbs and main verbs are written together on the right side of the vertical line.

See these pages for help:

sentence construction, verb phrases, list of helping verbs

Example: Cats will meow.

1. Flowers grow.

2. Birds were chirping.

3. Bunnies hop.

4. Cailey must have been sleeping.

5. Sydney has been playing.


1.1 Diagramming Questions

Did you notice that all of the sentences you diagrammed above began with the subject? Well, questions (interrogative sentences) are typically written in a different order.

If you have a hard time finding the subject of a question, reorder the question into a statement.

Example: The question Have you been cooking? becomes the statement You have been cooking.

Be sure to maintain the original capitalization of the sentence when you diagram it.

Directions: Diagram the following questions. Put the subject on the left side of the vertical line and the verb on the right side of the vertical line.

See this page for help: interrogative sentences

1. May I run?

2. Did Josh eat?

3. Should we have been swimming?

4. Has Lucy been reading?

5. Are they coming?


Check Your Answers

1.0 Diagramming Subjects & Verbs


1.1 Diagramming Questions


Are you enjoying these exercises?
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Diagramming sentences is an effective and engaging way to learn or teach grammar.

You'll learn grammar and diagramming with these short, simple lessons and exercises, and you'll find all of the answers in the back so that you can easily check your work.

When you're done with this book, you'll possess a powerful tool for using and understanding language.

You'll be able to write with clarity, and you'll actually enjoy grammar.

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Go To Diagramming Sentences Chapter Two!


Elizabeth O'Brien is the creator of the Grammar Revolution step-by-step grammar and sentence diagramming programs. Her programs are guaranteed not only to teach you grammar, but also to give you more confidence in your communication skills.

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