This Grade 3 worksheet helps students distinguish between main verbs and helping verbs through practical sentence exercises.

Task: Identify and underline the main verbs and circle the helping verbs in each sentence.

#### Instructions Recap:
- Main Verb: The primary action or state expressed in the sentence.
- Helping Verb: A verb that assists the main verb by providing additional information about tense, mood, or voice. Common helping verbs include: am, is, are, was, were, be, being, been, has, have, had, do, does, did, will, would, shall, should, may, might, can, could, must.

#### Solution:

1. She has asked you several times.
- Main Verb: *asked* (underlined)
- Helping Verb: *has* (circled)

2. I will not go to the park.
- Main Verb: *go* (underlined)
- Helping Verb: *will* (circled)

3. They are running late.
- Main Verb: *running* (underlined)
- Helping Verb: *are* (circled)

4. We could try one more time.
- Main Verb: *try* (underlined)
- Helping Verb: *could* (circled)

5. Have you worn this dress before?
- Main Verb: *worn* (underlined)
- Helping Verb: *have* (circled)

6. They should think about her feelings.
- Main Verb: *think* (underlined)
- Helping Verb: *should* (circled)

7. Ezra is counting on you.
- Main Verb: *counting* (underlined)
- Helping Verb: *is* (circled)

8. Would you be available in the morning?
- Main Verb: *be* (underlined)
- Helping Verb: *would* (circled)

9. There has been no progress.
- Main Verb: *been* (underlined)
- Helping Verbs: *has* (circled), *been* (circled)

10. He did not make his bed.
- Main Verb: *make* (underlined)
- Helping Verb: *did* (circled)

11. It might be for the best.
- Main Verb: *be* (underlined)
- Helping Verb: *might* (circled)

12. I am writing a story.
- Main Verb: *writing* (underlined)
- Helping Verb: *am* (circled)

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Final Answer:

1. She has *asked* you several times.
2. I will *go* to the park.
3. They are *running* late.
4. We could *try* one more time.
5. Have you *worn* this dress before?
6. They should *think* about her feelings.
7. Ezra is *counting* on you.
8. Would you *be* available in the morning?
9. There has been no progress.
10. He did *not make* his bed.
11. It might *be* for the best.
12. I am *writing* a story.

Boxed Final Answer:
\boxed{
\begin{aligned}
&1. \text{She } \mathbf{has} \text{ *asked* you several times.} \\
&2. \text{I } \mathbf{will} \text{ *go* to the park.} \\
&3. \text{They } \mathbf{are} \text{ *running* late.} \\
&4. \text{We } \mathbf{could} \text{ *try* one more time.} \\
&5. \mathbf{Have} \text{ you *worn* this dress before?} \\
&6. \text{They } \mathbf{should} \text{ *think* about her feelings.} \\
&7. \text{Ezra } \mathbf{is} \text{ *counting* on you.} \\
&8. \mathbf{Would} \text{ you *be* available in the morning?} \\
&9. \text{There } \mathbf{has been} \text{ no progress.} \\
&10. \text{He } \mathbf{did} \text{ *not make* his bed.} \\
&11. \text{It } \mathbf{might} \text{ *be* for the best.} \\
&12. \text{I } \mathbf{am} \text{ *writing* a story.}
\end{aligned}
}