Modal verbs Unit 10

I ___ do something to solve this problem.

• have to

• must

• 've to

• mustn't

I don't like these clothes, but I _____ wear them at work.

• must

• don't have to

• have to

• mustn't

You ____ tell anyone; it's a secret.

• mustn't

• must

• didn't have to

• have to

_____ pay for the car repair or did the insurance cover it?

• Did you have to

• Had you to

• Did you must

• Do you have to

We ______ leave now; it's 10 and the conference doesn't start until 12.

• haven't to

• mustn't

• don't have to

• didn't have to

You ____ swim here. There are sharks in the water.

• don't have

• mustn't

• must

• haven't to

I _____ leave early because I wasn't feeling well.

• had to

• must

• have to

• don't have to

Unfortunately, my boss says I ___ work this weekend.

• have to

• haven't to

• don't have to

• mustn't

You ___ be late tomorrow. The bus will leave without you.

• don't have to

• haven't

• mustn't

• must

It is a beautiful sunny day. It ____ rain tomorrow.

• may not

• might not

• not may

• not might