Modal Verbs Skills 1

I'm not sure but they might stay for dinner.

• opinion

• ability

• possibility

• obligation

May I ask you a personal question?

• possibility

• polite request

• obligation

• opinion

I have to leave now. My parents are waiting.

• obligation

• lack of obligation

• prohibition

• certainty that something is true

That can't be Sue. She is much taller.

• possibilty

• certainty that something is true

• opinion

• certainty that something is impossible

Listen to his accent. He must be American.

• possibility

• certainty that something is true

• opinion

• obligation

You don't have to pay the bill. It's my treat.

• obligation

• possibility

• lack of obligation

• ability

You mustn't drive without a license.

• obligation

• prohibition

• opinion

• ability

I can't speak Italian.

• certainty that something is impossible

• ability

• past ability

• possibility

Jessica doesn't know how to cook.

Jessica ......

Perhaps I'll go out later.

I ...