MODAL VERBS: SHOULD, SHOULDN'T, MUST, MUSTN'T

You __________ call the police if you see a thief.

• should

• shouldn't

• must

• mustn't

We _______________ make noise at night.

• should

• shouldn't

• must

• mustn't

Babies ________________ sleep regularly.

• should

• shouldn't

• must

• mustn't

If you are cold, you _________ drink something hot.

• should

• shouldn't

• must

• mustn't

You _________ drink cold water. It is not good for your health.

• should

• shouldn't

• must

• mustn't

They _________ help their mother.

• should

• shouldn't

• must

• mustn't

Children _____________watch TV at nights.

• should

• shouldn't

• must

• mustn't

We ________________ finish our homework on time.

• should

• shouldn't

• must

• mustn't

I ________ finish my homework. I want to be successful.

• should

• shouldn't

• must

• mustn't

You ________________ make noise in the classroom.

• should

• shouldn't

• must

• mustn't