Page 77 - English Grammar in Use

Unit
Exercises 32

32.1 Which goes with which? Find the sentences with a similar meaning.

1 You must be very quiet. a You mustn’t stay here. 1 f
2 You must remember your password. b You mustn’t be afraid. 2
3 You must be brave. c You mustn’t think about it. 3
4 You must be on time. d You mustn’t forget it. 4
5 You must leave the furniture as it is. e You mustn’t be late. 5
6 You must go away. f You mustn’t make any noise. 6
7 You must forget what happened. g You mustn’t move anything. 7

32.2 Which is correct?
1 We have plenty of time. We mustn’t / needn’t hurry. (needn’t is correct)
2 I have to talk to Gary. I must / mustn’t remember to call him.
3 I have to talk to Gary. I mustn’t / needn’t forget to call him.
4 There’s plenty of time for you to decide. You mustn’t / don’t need to decide now.
5 These are important documents. We mustn’t / needn’t lose them.
6 You mustn’t / needn’t wait for me. You go on and I’ll join you later.
7 This is a dangerous situation and we need to be careful. We mustn’t / needn’t do anything stupid.
8 I understand the situation perfectly. You mustn’t / don’t need to explain further.
9 a: What sort of house do you want to buy? Something big?
b: It mustn’t / needn’t be big – that’s not so important. But it must / mustn’t have a nice garden.

32.3 Complete the sentences. Use needn’t + verb. Choose from:
come keep leave walk worry
1 We have plenty of time. We needn’t leave yet.
2 I can manage the shopping alone. You with me.
3 We all the way home. We can get a taxi.
4 You can delete these emails. You them.
5 I’ll be all right. You about me.

32.4 Write two sentences for each situation. Use needn’t have in the first sentence and could have in
the second (as in the example). For could have, see Unit 27.
1 Why did you rush? Why didn’t you take your time?
You needn’t have rushed. You could have taken your time.
2 Why did you walk home? Why didn’t you take a taxi?

3 Why did they stay at a hotel? Why didn’t they stay with us?

4 Why did she phone me at 3 am? Why didn’t she wait until the morning?

5 Why did you shout at me? Why weren’t you more patient?

32.5 Are these sentences OK? Change them where necessary.
1 We have plenty of time. We don’t need hurry. We don’t need to hurry
2 Keep it a secret. You mustn’t tell anybody. OK
3 You needn’t to shout. I can hear you perfectly.
4 I needn’t have gone out, so I stayed at home.
5 This train is direct. You don’t need to change.
6 You mustn’t lock the door. It’s OK to leave it unlocked.
7 I needn’t have said anything, so I kept quiet.
8 I needn’t have said anything. I should have kept quiet.

➜ Additional exercises 16–17 (pages 311–12) 65