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5. Choosing the right form

Fill in the gaps 1-8 in the conversations below, using ways of expressing obligation and necessity you have learnt in this unit.

A: Do you fancy going for a pizza?

B: I can't, I’ve got to make some phone calls and do some packing. I just haven't got time.

A: Oh, I'm hopeless at this. I'm giving up.

B: Oh, you 1._____________ say that! It's just a matter of practice. Everyone finds driving

difficult at first.

A: What's the matter? What are you trying to do?

B: It's this word processor. I want to make a table with shaded boxes, but I can't get it to work.

A: Oh, you can do it like that, but you 2. _____________.Just use 'Autoformat'.

A: Any holiday plans?

B: Yes, I've booked a safari in Kenya. You've been, haven't you? What do I 3. _____________ take?

A: I 4. _____________ remember to phone Judy later. She's off to the States tomorrow and I want her to get me some bits and pieces.

B: Oh, is she? I'll try and remind you.

A: Here. This is for you.

B: Oh, Joe! It's beautiful, but I can't accept it. You made it, didn't you?

A: Yes, I did, and you 5. _____________ accept it. I absolutely 6. _____________ that you do.

A: What 7. _____________ you _____________ do in your new job?

B: It's not very different from the old one, but now I have more responsibility, that's all.

A: How is your brother these days?

B: Oh, not very good really. He's 8. _____________ give up work because of his bad back.

A: Oh, I am sorry to hear that.

Need. Absence of Necessity.

! 1. You needn’t do smth = it is not necessary that you do it, you don’t need to do it.

  • You can come with me if you like but you needn’t come if you don’t want to. (= it is not necessary for you to come)

  • We’ve got plenty of time. We needn’t hurry. (it is not necessary to hurry)

2. Instead of needn’t, you can use don’t/doesn’t need to. So you can say:

1. We needn’t hurry or 2. We don’t need to hurry.

Remember that we say “don’t need to do”, but “needn’t do”.

6. Complete the sentences with must, mustn’t or needn’t.

1. We haven’t got much time. We must hurry.

2. We’ve got plenty of time. We needn’t hurry.

3. We have enough food at home so we _________ go shopping today.

4. Jim gave me a letter to post. I ___________ remember to post it.

5. Jim gave me a letter to post. I ___________ forget to post it.

6. There’s plenty of time for you to make up your mind. You _____________ decide now.

7. You ____________ wash those tomatoes. They are already washed.

8. This is a valuable book. You ___________ look after it carefully.

9. “What sort of house do you want to buy? Something big?”

“Well, it _______________ be big – that’s not important. But it ___________ have a nice garden – that’s essential.”

7. Choose the alternative that best suits the context.

1. You _______________ speak with her about her decease. It depresses her.

a) mustn’t b) needn’t

2. The marketing team ____________work overtime now. They have done a lot to promote the product. It sells quite well at the moment.

a) mustn’t b) needn’t

3. Tell the children they ______________ shout. The baby is sleeping.

a) mustn’t b) needn’t

4. You _______________ have cash with you. You can pay by credit card.

a) mustn’t b) needn’t

5. Jenny left her job. She __________ work at the office any more. She published a collection of short stories which are quite popular.

a) mustn’t b) needn’t

6. You ________ forget to post the letter. It’s very important.

a) mustn’t b) needn’t

7. The guests ______________ wear evening suits. It’s a casual event.

a) mustn’t b) needn’t

8. You ____________ speak about our new project with them. It’s commercial secret.

a) mustn’t b) needn’t

Must - Have to - Have got to

Must is used when the speaker decides what it is necessary to do. I must buy some new clothes. (I say so. I decide what to do.)

Have to is used when the necessity comes from outside the speaker or when others decide for the speaker what it is necessary to do. He has to be at work at 9.00. (The boss says so.)

Have got to has the same meaning as have to but it is used in spoken English. "Mum, I've got to go to the library."

Must is stronger than have to and indicates urgency and importance. I must meet Jane tonight. (It's very urgent that I meet her.) I have to meet Jane tonight. (I need to meet her.)

Must is used only in the present or future. I must go to the meeting tomorrow. It borrows the rest of its tenses from have to. She had to be present at the lecture last Monday.

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