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Extra Exercices
Grammar  > Modal Auxiliaries > Permission: May / Can and Prohibition: Must not 1

Use may, can or mustn’t to fill in the blanks:

No, you leave work early today. It’s against company rules.

I drink some water, please?

I’ll tell you a secret, but you tell anyone.

We speed or else we’ll get a speeding ticket.

This is very important information, so you tell anyone.

Jake be late or else we’ll leave with him.

In a sporting competition, you start before the gun, or else you’re disqualified.

Fred asks his boss, “ I have the day off, please?”

No, I’m sorry; you have the day off, because there is a lot of work that needs to be done.

I see your passport, please?