UNIT 31 • Must and have to

Nov 10, 2016

Complete these sentences with ‘must’ or ‘have to’ (in the correct form). Sometimes it is possible to use either; sometimes only ‘have to’ is possible. Select all correct answers.
- It’s later than I thought. I . . .
  have to
  go now.
  - must
  - have to
  - has to
- Jack left before the end of the meeting. He . . .
  had to
  go home early.
  - had to
  - must
  - have to
- In Britain many children . . .
  have to
  wear uniform when they go to school.
  - have to
  - must
  - has to
- When you come to London again, you . . .
  must
  come and see us.
  - must
  - have to
  - had to
- Last night Don became ill suddenly. We . . .
  had to
  call a doctor.
  - have to
  - must
  - had to
- You really . . .
  must
  work harder if you want to pass the examination.
  - have to
  - must
  - has to
- I’m afraid I can’t come tomorrow. I . . .
  have to
  work late.
  - have to
  - must
  - had to
- I’m sorry I couldn’t come yesterday. I . . .
  have to
  work late.
  - have to
  - had to
  - must
- Paul doesn’t like his new job. Sometimes he . . .
  has to
  work at weekends.
  - have to
  - must
  - has to
- Caroline may . . .
  have to
  go away next week.
  - have to
  - had to
  - must
- We couldn’t repair the car ourselves. We . . .
  had to
  take it to a garage.
  - have to
  - had to
  - must
- Julia wears glasses. She . . .
  has had to
  wear glasses since she was very young.
  - has to
  - has had to
  - must
Make questions with ‘have to’.
- I had to go to hospital last week.
  Why
- I have to get up early tomorrow.
  Why early?
- Ann has to go somewhere now.
  Where
- George had to pay a parking fine yesterday.
  How much
- I had to wait a long time for the bus.
  How long
- I have to phone my sister now.
  Why
- Paul has to leave soon.
  What time
Complete these sentences using ‘don’t / doesn’t / didn’t have to …’ + one of these verbs:

do ○ get up ○ go ○ go ○ pay ○ shave ○ wait ○ work
- I’m not working tomorrow, so I too early.
  The car park is free-you to park your car there.
  I went to the bank this morning. There was no queue, so I
  Sally is extremely rich. She
  We’ve got plenty of time. We yet.
  Jack has got a beard, so he
  I’m not particularly busy. I’ve got a few things to do but I them now.
  A man was slightly injured in the accident but he to hospital.
Complete these sentences with ‘mustn’t’ or ‘don’t / doesn’t have to’.
- I don’t want anyone to know. You . . .
  mustn’t
  tell anyone.
  - mustn’t
  - don’t have to
  - doesn’t have to
- He . . .
  doesn’t have to
  wear a suit to work but he usually does.
  - mustn’t
  - don’t have to
  - doesn’t have to
- I can stay in bed tomorrow morning because I . . .
  don’t have to
  go to work.
  - mustn’t
  - don’t have to
  - doesn’t have to
- Whatever you do, you . . .
  mustn’t
  touch that switch. It’s very dangerous.
  - mustn’t
  - don’t have to
  - doesn’t have to
- There’s a lift in the building, so we . . .
  don’t have to
  climb the stairs.
  - mustn’t
  - don’t have to
  - doesn’t have to
- You . . .
  mustn’t
  forget what I told you. It’s very important.
  - mustn’t
  - don’t have to
  - doesn’t have to
- Sue . . .
  doesn’t have to
  get up early. She gets up early because she wants to,
  - mustn’t
  - don’t have to
  - doesn’t have to
- Don’t make so much noise. We . . .
  mustn’t
  wake the baby.
  - mustn’t
  - don’t have to
  - doesn’t have to
- I . . .
  mustn’t
  eat too much. I’m supposed to be on a diet.
  - mustn’t
  - don’t have to
  - doesn’t have to
- You . . .
  don’t have to
  be a good player to enjoy a game of tennis.
  - mustn’t
  - don’t have to
  - doesn’t have to

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