Modals of Prohibition

We have a lot of work to do tomorrow. You _________ be late.

• have to

• mustn't

• shouldn't

You __________ tell anyone what I just told you. It's a secret.

• can't

• shouldn't

• may

You ________ smoke inside the school.

• mustn't

• ought to

• may

We _________ forget to set the alarm before we go to sleep.

• can't

• mustn't

• ought to

You're the third driver we are hiring this month. You _______ drinking and drive.

• can't

• shouldn't

• mustn't

You ________ speak on the cellphone on the plane.

• must

• mustn't

• may

The passengers ________ go inside the plane without checking in first.

• can't

• mustn't

• may

The refugees _________ go outside the camp for any reason.

• shouldn't

• may

• can't

During examinations, one _________ copy the work of other candidates.

• can

• can't

• mustn't

You ________ copy during examination. It leads to your paper being canceled.

• must not

• must

• shouldn't