unit 4 MODALS inter english file T's grammar

the noun ADVICE is countable

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

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

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

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

have to is for obligations

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

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

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

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