Modals

We .... wear a uniform at school. It's an obligation.

• can't

• must

• may

• should

You ... study more for your exam if you want to get a good mark.

• should

• may

• can't

• shouldn't

Take an umbrella. It ... rain.

• must

• should

• may

• can't

He ... come tonight. I don't know.

• can't

• must

• shouldn't

• might

You ... smoke in here. It's prohibited.

• can't

• must

• shouldn't

• may

If you are ill, you ... stay at home.

• must

• can

• may

• should

She ... go to the party. She isn't sure.

• shoudn't

• may

• can

• must

He ... be from France. He doesn't speak French.

• may

• must

• shouldn't

• can't

I think he ... have a sister. I don't know.

• may

• must

• can

• should

You ... leave now or you will be late.

• may

• should

• must

• can