A. Complete the sentences using the words in the box. Sometimes two or three answers are possible.
can could have may might must mustn’t ought should |
1 When you travel by bus, you ……must…… have a ticket.
2 When I was a young man, I ………………… run 10 kilometres, but now I’m too old.
3 My mum says I ………………… to come home before 10 o’clock.
4 ………………… I go home early today, please?
5 You ………………… to read this book – it’s very interesting.
6 I’m going to take an umbrella because it ………………… rain later.
7 She ………………… speak French and Spanish, but her English is terrible.
8 What do you think? ………………… I do the exam this year or next year?
9 You ………………… watch television, but please keep it quiet.
10 Don’t worry. You don’t ………………… to buy me a present.
11 ………………… you give me some money, please? I’ve left my bag at home.
12 At the zoo, you ………………… give food to the animals. It’s very bad for them.
Answers
2 could 3 have 4 May / Can / Could
5 ought / have 6 might / may / could
7 can 8 Should 9 can / may 10 have
11 Could / Can 12 mustn’t
B. Match the sentences in Exercise A to these reasons for using modal verbs.
a talking about present ability ……7……
b talking about past ability ………….
c asking people to do things ………….
d asking for permission ………….
e giving permission ………….
f talking about rules and laws ………….
g talking about things we are not allowed to do ………….
h talking about an obligation imposed by others ………….
i talking about something which is not necessary ………….
j asking for advice ………….
k giving advice ………….
I talking about the possibility of something being true ………….
Answers
b 2 c 11 d 4 e 9 f 1 g 12 h 3 i 10 j 8 k 5 l 6
C. Complete the sentences using the modal verbs from the boxes.
could will be able to can |
1 Last year I ……could…… run 1500 metres in 5 ½ minutes.
2 Now I ……………… run 1500 metres in 5 minutes.
3 Next year I ……………… run 1500 metres in 4 ½ minutes.
must / have to will have to had to |
4 Yesterday you ……………… wash the windows.
5 Today you ……………… wash my car.
6 Tomorrow you ……………… wash your clothes – they’re very dirty.
will be able to, won’t be able to could, couldn’t can, can’t |
7 When I was 5 I ……………… climb trees but I ride a bike.
8 Now I’m 14 I ……………… ride a bike but I drive a car.
9 50 years from now I ……………… drive a car but I ……………… climb trees.
didn’t have to, had to have to, don’t have to won’t have to, will have to |
10 When I was small I ……………… do homework, but I ……………… go to bed early.
11 Now I ……………… do homework, but I ……………… go to bed early.
12 In 10 years I ……………… do homework and I ……………… go to bed early, but I ……………… get a job.
Write three more similar sentences about yourself.
…………………………………………………………
…………………………………………………………
…………………………………………………………
…………………………………………………………
Answers
2 can 3 will be able to 4 had to
5 must / have to 6 will have to
7 could / couldn’t; couldn’t/could
8 can; can’t 9 will be able to; won’t be able to
10 didn’t have to; had to
11 have to; don’t have to
12 won’t have to; won’t have to; will have to
D. Complete each sentence b so that it means the same as sentence a. Use two to four words including the correct form of the word in brackets.
1 a It’s a good idea to eat fruit and vegetables every day. (ought)
b You ……ought to eat…… fruit and vegetables every day.
2 a Maybe Sharon will know the answer. You should ask her. (might)
b You should ask Sharon. She …………………… the answer.
3 a She’ll be very good at playing the piano next year. (able)
b Next year she will …………………… the piano very well.
4 a I want to open the window. Is that OK? (may)
b …………………… the window, please?
5 a You must have clean hair before you go in the swimming pool. (have)
b Your hair …………………… clean before you go in the swimming pool.
6 a Bob will be ready in five minutes. Please wait in the garden. (could)
b …………………… for Bob in the garden, please? He’ll be ready in five minutes.
7 a It’s possible that Anna isn’t asleep. I’ll phone her. (may)
b I’ll phone Anna. She …………………… asleep.
8 a Don’t worry. It’s not necessary to wear a tie at the opera. (have)
b Don’t worry. You …………………… a tie at the opera.
Answers
2 might know 3 be able to play
4 May I open 5 has to be 6 Could you wait
7 may not be 8 don’t have to wear
E. Tick ✓ the odd one out.
1 a You mustn’t speak in the exam.
b You don’t have to speak in the exam. ✓
c You can’t speak in the exam.
2 a We may go home now.
b We should go home now.
c We ought to go home now.
3 a It might be sunny tomorrow.
b It may be sunny tomorrow.
c It has to be sunny tomorrow.
4 a May I sit here?
b Must I sit here?
c Can I sit here?
5 a I can’t understand her.
b I wasn’t able to understand her.
c I couldn’t understand her.
6 a Could you be quiet?
b Can you be quiet?
c Should you be quiet?
Answers
2 a 3 c 4 b 5 a 6 c
F. Complete the dialogue with the modals from the box. Sometimes there is more than one correct answer.
be able to can/can’t could have to may might must ought should |
Alice: Where are you going on holiday?
Brad: To Switzerland. We’re going skiing.
Alice: Really? 1……can…… you ski?
Brad: Well, I 2……………… ski quite well when I was a child, but that was 10 years ago. I think I 3……………… have some problems.
Alice: No, you’ll be fine. You’ll 4……………… be careful on the first day, but after a day or two of lessons you’ll 5……………… ski quite fast.
Brad: Lessons? 6……………… I have an instructor?
Alice: Hmm … yes, I think you 7……………… to have some lessons. You don’t 8………………, but it’s a good idea.
Brad: I don’t know. It 9……………… be expensive.
Alice: It 10……………… be. Just a second, my friend is a ski instructor. He 11……………… know a cheap instructor in Switzerland. You 12……………… call him.
Brad: Great. 13……………… I have his number, please?
Alice: Er … I 14……………… remember it. But my mum 15……………… know it.
Brad: Great. 16……………… you ask her?
Alice: Of course.
Answers
2 could 3 may/might/could 4 have to
5 be able to 6 Should / Must 7 ought
8 have to 9 may / might / could
10 may/could/might 11 may/might
12 should/could/might 13 May/Can /Could
14 can’t 15 may / might 16 Can / Could
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