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.
- “I’m tired.” “You should go to bed.”
- “I haven’t done my homework.” “Don’t worry. You ____________do it today.”
- “What time do we _____________ be at the airport?”
“12.30 – I think we ____________ call a taxi now”
- “Jane __________ work on Saturdays.”
“That’s terrible. She ____________ get a new job.”
- “Luke __________ wear a school uniform.”
“Lucky him! All his brothers and sisters __________.”
- “Does he ____________ go on a diet?” “No, he __________, but I think he ________.”
- Your hair is too long. I think you ____________ get it cut.
- Your clothes smell, and you’ve got a cough. You ___________ smoke.
- I’m going to bed. I __________ be up early tomorrow.
- I’d like to meet your boyfriend. You ___________ invite him round.
- I ___________ tell my parents where I am, then they don’t worry.
- You ____________ come with me if you don’t want to. I’ll go on my own.
- If you need some help with your homework, you _________ go to the library.
- If you’ve got a ticket, you __________ queue. You can go straight in.
- You ____________ tell lies. It’s wrong.
- 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.”
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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.
- It’s my mother’s birthday tomorrow. I must buy her a present and a card.
- There’s an excellent film on at the moment. You ___________________.
- My bedroom’s a real mess. I ___________________________________.
- Peter’s in hospital. I __________________________________________.
- Our train leaves in two minutes! We ______________________________!
- You can borrow my tennis racquet, but you ___________________. It was very expensive.
- 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)