Modal verbs

The carpet is dirty. I ... vacuum it.

• should

• don't have to

• mustn't

You can go to the park if you want to but you ... go.

• mustn't

• don't have to

• have to

You ... cross the road here. It's very dangerous.

• have to

• must

• mustn't

John ... play the guitar but he wants to learn.

• can

• can't

• must

I have a test tomorrow so I ... go to bed early.

• should

• shouldn't

• can't

It's hot in here. ... I open the window?

• must

• should

• can

I have a problem. What ... I do?

• must

• can

• should

At our school pupils ... wear a uniform. It's blue and grey.

• mustn't

• have to

• don't have to

We ... buy a cake in the supermarket if you want.

• can

• can't

• have to

If you have a temperature you ... stay in bed.

• mustn't

• can

• should