HAVE TO/MUST

1 You have to wear a seatbelt in a car.

Do you have to work on Saturdays?

I had to wear a uniform at my primary school.

She can't come to the party, she has to study for an exam.

I'll have to get up early tomorrom. My interview is at 9.00.

I hate having to wait hours for the bus.

2 You must be on time tomorrow because there's a test.

You must remember to phone Emily - it's her birthday.

3 I love the Louvre! You have to go when you're in Paris.

You must see this film - it's amazing!

have to or must?

I have to wear a shirt and tie at work. (= It's the rule in this company.)

I must buy a new shirt - this one is too old now. (= It's my own decision.)

have got to

I've got to go now. It's very late.

Gotta go.

G2G

don't/doesn't have to

You don't have to pay - this museum is free.

She doesn't have to go to the party if she doesn't want to.

Complete with the correct form of have to.

[+] affirmative

[-] negative

[?] question

mustn't

You mustn't park here.

You can't park here.

You are not allowed to park here.

You mustn't eat that cake - it's for the party.

should/shouldn't

You should take warm clothes with you to Dublin. It might be cold at night.

You shouldn't drink so much coffee. It isn't good for you.

I think the governnient should do something about unemloyment.

You ought to take warm clothes with you to Dublin.

You ought not to drink so much coffee.