Grammar exercises: modal auxiliary verbs can, may, must – test 3, exercise 3

Choose the correct verb forms and complete the sentences.

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On the plane: You need not/must not wear a seat belt all the time.
You wear a seat belt all the time.
You must/must not revise English words if you want to speak English.
You revise English words if you want to speak English.
You must not/need not take me to the station. I know the way.
You take me to the station.
You need not/may not stop in front of my garage. I can't get out.
You stop in front of my garage.
Is your telephone all right now? May/Can you hear me again?
you hear me again?
It must/cannot be Greg. Greg is much taller.
It be Greg.
Be careful! You must not/need not fall over again.
You fall over again.
Don't panic. You must/may pass the exam next time.
You pass the exam next time.
I can't carry all this luggage on my own. You need not/must help me!
You help me!
I don't want to go out now. I may/must dust the furniture first.
I dust the furniture first.

Do more modal verbs exercises to practise English grammar. See English verb tenses and verb forms for grammar exercises and grammar rules on English tenses and modal verbs online or in esl printables and English worksheets.

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