MODALS OF OBLIGATION: MUST, HAVE TO, SHOULD

No, thanks. I mustn't / shouldn't eat any more cake. I'm on a diet.

• mustn't

• shouldn't

You mustn't / don't have to tell anyone what I've just told you. It's a secret.

• mustn't

• don't have to

Living at home is great. I mustn't / don't have to do anything because my mum does it all for me!

• mustn't

• don't have to

You must / have to get a visa if you want to go to Cuba.

• must

• have to

You should / have to do your homework on Saturday morning. That way you'll have the rest of the weekend free.

• should

• have to

Jerry doesn't have to / mustn't get up early this morning. He isn't going to work.

• doesn't have to

• mustn't

It's Meg's birthday tomorrow. I mustn't / shouldn't forget to ring her.

• mustn't

• shouldn't

You mustn't / don't have to touch electrical things when your hands are wet. It's very dangerous.

• mustn't

• don't have to

I think you should / must go to bed early tonight. You look really tired.

• should

• must

You have to / should pay for food and drinks separately.

• have to

• should