Modal verbs

You ......... sweep the floor. I've already done it.

• mustn't

• can't

• don't have to

• should

We ...... always drive carefully.

• can't

• shouldn't

• must

• don't have to

My brother .......find a job.

• mustn't

• can't

• shouldn't

• don't have to

You ...... drop litter here.

• mustn't

• must

• could

• don't have to

The teacher asked Alice a question, but she ..... give an answer.

• can

• could

• can't

• couldn't

You ..... never tell lies.

• can't

• can

• must

• have to

....... I open the window, please?

• Must

• Should

• Can't

• Could

You ...... speak so loudly. I can hear you.

• mustn't

• don't have to

• can't

• must

Joanna ..... come to the phone right now. She's in the shower.

• mustn't

• can't

• shouldn't

• doesn't have to

She ..... to go to work yesterday.

• must

• had to

• can

• can't