Exercise 1
Complete the sentences using have to / has to / had to.
1 Bill starts work at 5 a.m. ……………………. at four. (he / get up)
2 ‘I broke my arm last week’. ‘……………………. to hospital?’. (you / go)
3 There was a lot of noise from the street. ……………………. the window. (we / dose)
4 Karen can’t stay for the whole meeting. ……………………. early. (she / leave)
5 How old ……………………. to drive in your country? (you / be)
6 I don’t have much time. ……………………. soon. (I / go)
7 How is Paul enjoying his new job? ……………………. a lot? (he / travel)
8 ‘I’m afraid I can’t stay long.’ ‘What time ……………………. ?’ (you / go)
9 ‘The bus was late again.’ ‘How long ……………………. ?’ (you / wait)
10 There was nobody to help me. I ……………………. everything by myself. (I / do)
Answers
1
1 He has to get up
2 Did you have to go
3 We had to close
4 She has to leave or She’ll have to leave / She will have to leave
5 do you have to be
6 I have to go or I’ll have to go / I will have to go
7 Does he have to travel
8 do you have to go or to go
9 did you have to wait
10 had to do
Exercise 2
Complete the sentences using have to+ the verbs in the list. Some sentences are positive (I have to … etc.) and some are negative (I don’t have to … etc.):
ask do drive get up go make make pay show
1 I’m not working tomorrow, so I …………………….
2 Steve didn’t know how to turn off the computer, so I ……………………. him.
3 Excuse me a moment – I ……………………. a phone call. I won’t be long.
4 I’m not too busy. I have a few things to do, but I ……………………. them now.
5 I couldn’t find the street I wanted. I ……………………. somebody for directions.
6 The car park is free. You ……………………. to park your car there.
7 A man was injured in the accident, but he ……………………. to hospital because it wasn’t serious.
8 Jane has a senior position in the company. She ……………………. important decisions.
9 When Patrick starts his new job next month, he ……………………. 50 miles to work every day.
Answers
2
1 don’t have to get up
2 had to show
3 have to make
4 don’t have to do
5 had to ask
6 don’t have to pay or won’t have to pay / will not have to pay
7 didn’t have to go
8 has to make
9 will have to drive or is going to have to drive
Exercise 3
In some of these sentences, must is wrong or unnatural. Correct the sentences where necessary.
1 It’s later than I thought. I must go. …………………….
2 I must work every day from 8.30 to 5.30. …………………….
3 You must come and see us again soon. …………………….
4 Tom can’t meet us tomorrow. He must work. …………………….
5 I must work late yesterday evening. …………………….
6 I must get up early tomorrow. I have a lot to do. …………………….
7 Julia wears glasses. She must wear glasses since she was very young. …………………….
Answers
3
1 OK (have to is also correct)
2 I have to work
3 OK (have to is also correct)
4 He has to work.
5 I had to work late yesterday evening.
6 OK (have to is also correct)
7 She has had to wear glasses since she was very young.
Exercise 4
Complete the sentences with mustn’t or don’t/doesn’t have to.
1 I don’t want anyone to know about our plan. You ……………………. tell anyone.
2 Richard ……………………. wear a suit to work, but he usually does.
3 I can sleep late tomorrow morning because I ……………………. go to work.
4 Whatever you do, you ……………………. touch that switch. It’s very dangerous.
5 There’s a lift in the building, so we ……………………. climb the stairs.
6 You ……………………. forget what I told you. It’s very important.
7 Silvia ……………………. get up early, but she usually does.
8 Don’t make so much noise. We ……………………. wake the children.
9 I ……………………. eat too much. I’m supposed to be on a diet.
10 You ……………………. be a good player to enjoy a game of tennis.
Answers
4
1 mustn’t
2 doesn’t have to
3 don’t have to
4 mustn’t
5 don’t have to
6 mustn’t
7 doesn’t have to
8 mustn’t
9 mustn’t
10 don’t have to