MODAL VERBS: should / have to / must

You MUST / HAVE TO get a visa if you want to go to Cuba.

No, thanks. I MUSTN'T / SHOULDN'T eat more cake. I'm on a diet.

You SHOULD / MUST go to bed early tonight. You look really tired.

Jerry DOESN'T HAVE TO / MUSTN'T get up early this morning. He isn't going to work.

You MUSTN'T / DON'T HAVE TO tell anyone what I've just told you. It's a secret.

When I was a child, I HAD TO / MUST tidy my room every weekend.

You OUGHT TO / HAVE TO pay a fine if you don't return your library books on time.

It's Hannah's birthday tomorrow. I MUSTN'T / MUST forget to phone her.

You MUSTN'T / DON'T HAVE TO touch electrical things when your hands are wet. It's very dangerous!

He DOESN'T HAVE TO / SHOULDN'T watch so much TV. It's a waste of time.

If you're late for class, you OUGHT TO / SHOULD say sorry to the teacher.

Living at home is great. I MUSTN'T / DON'T HAVE TO do anything because my parents do all for me!