Must, mustn’t, needn’t

Must – необходимо сделать действие;

Mustn’t – необходимо, чтобы действие не делалось;

Needn’t – нет необходимости производить действие;

Needn’t = don’t / doesn’t need to = don’t have to

HAVE TO OR SHOULD

I. Making positive and negative sentences

Complete the following sentences using have to, has to, don’t have to, doesn’t have to, should, or shouldn’t.

1. “I’m tired.” “You should go to bed.”
2. “I haven’t done my homework.” “Don’t worry. You ____________do it today.”
3. “What time do we _____________ be at the airport?”

“12.30 – I think we ____________ call a taxi now”

1. “Jane __________ work on Saturdays.”

“That’s terrible. She ____________ get a new job.”

1. “Luke __________ wear a school uniform.”

“Lucky him! All his brothers and sisters __________.”

1. “Does he ____________ go on a diet?” “No, he __________, but I think he ________.”
2. Your hair is too long. I think you ____________ get it cut.
3. Your clothes smell, and you’ve got a cough. You ___________ smoke.
4. I’m going to bed. I __________ be up early tomorrow.
5. I’d like to meet your boyfriend. You ___________ invite him round.
6. I ___________ tell my parents where I am, then they don’t worry.
7. You ____________ come with me if you don’t want to. I’ll go on my own.
8. If you need some help with your homework, you _________ go to the library.
9. If you’ve got a ticket, you __________ queue. You can go straight in.
10. You ____________ tell lies. It’s wrong.
11. Geoff works too much. I think he __________ take it easy.

II. What’s the problem?

Look at the advice. What problems do the people have?

1. “I’ve got a headache.” “You should take an aspirin.”

2. “_______________________.” “You should study harder.”

3. “_______________________.” “You should take it back to the shop.”

4. “_______________________.” “You should keep it in a safe place.”

5. “_______________________.” “You should phone the police.”

MUST

III.Must for strong obligation.

Complete the sentences with must and a suitable ending.

1. It’s my mother’s birthday tomorrow. I must buy her a present and a card.
2. There’s an excellent film on at the moment. You ___________________.
3. My bedroom’s a real mess. I ___________________________________.
4. Peter’s in hospital. I __________________________________________.
5. Our train leaves in two minutes! We ______________________________!
6. You can borrow my tennis racquet, but you ___________________. It was very expensive.
7. There’s a wonderful new restaurant opened in town. You _______________.

IV. Jobs

Work with your group. Choose one of the jobs from the box, but don’t tell your group mates. Ask and answer Yes/No questions to find out what the job is.

Do you have to…? Yes, I do. / No, I don’t

· work inside

· work regular hours

· wear a uniform

· use your hands

· answer the phone

V. Problems

Match the problems and suggestions. What advice would you give?

(I think you should / I don’t think you should)