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English Grammar - Free Grammar Worksheets

Auxiliary verbs

Fill in the blanks with appropriate auxiliary verbs. Each question is followed by three suggested answers. Choose the most appropriate one.

1. I don’t think he …………………… come.

a) Would
b) Will
c) Shall

2. He …………………… not obey unless he is threatened.

a) Will
b) Would
c) had

3. You ……………… be punctual.

a) Should
b) Ought
c) Would

4. You …………………… to pay your dues.

a) Should
b) Ought
c) Must

5. He said I ………………… call him any time.

a) Should
b) Can
c) could

6. If you ............ see Ann, give her my love.

a) Should
b) Shall
c) Would

7. I ………………… him, so I sent a letter.

a) Needn’t to see
b) Needn’t have seen
c) Didn’t need to see

8. ……………… you show me the way to the station?

a) Shall
b) Could
c) Might

9. He ………………… to be an atheist, but now he believes in God.

a) Used
b) Ought
c) Would

10. You ……………… light a match: the gas is leaking.

a) Need not
b) Must not
c) Will not

Teachers and parents may print these worksheets for their students. Click here for a printer-friendly version of this page. Click here to see the answers.

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