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Have To, Must, Should

The document discusses the use of modal verbs like "have to", "must", "should" which express ideas like obligation, prohibition, necessity and advice. It provides exercises to choose the correct modal verb in sentences and identify words that mean the same. Some key modal verbs and their meanings discussed are: "have to" (obligation), "must" (prohibition), "should" (advice), "ought to" (more formal than should), "mustn't" (prohibition).

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Natán Marcillo
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417 views3 pages

Have To, Must, Should

The document discusses the use of modal verbs like "have to", "must", "should" which express ideas like obligation, prohibition, necessity and advice. It provides exercises to choose the correct modal verb in sentences and identify words that mean the same. Some key modal verbs and their meanings discussed are: "have to" (obligation), "must" (prohibition), "should" (advice), "ought to" (more formal than should), "mustn't" (prohibition).

Uploaded by

Natán Marcillo
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Have to, must, should – obligation, prohibition, necessity, advice

Exercise 1
Choose the correct option to complete the sentences below.
1. When we were at school we had to wear a uniform.

2. You don't have to be an expert to use the basic functions of program.

3. You 've got to tell her that you are sorry.

4. We had to go to the meeting. Why didn't you go?

5. I don't have to wear glasses, I still can see perfectly well.

6. We went to bed right after dinner because we had to get up early the following day.

7. We must go for a drink one day.

8. You didn't have to take any money. It wasn't necessary.

9. What are you doing? You must not be here!

10. We weren't allowed to talk to each other because it was an exam

Have to, must, should – obligation, prohibition, necessity, advice


Exercise 2
Choose the forms that mean the same as the underlined words.
1. You should visit them.
a.could
b.ought to
c.must
2. You mustn't use the swimming pool before 10. Choose TWO correct options
a.aren't allowed to
b.don't have to
c.can't
3. We have to clean our room every day.
a.ought to
b.should
c.'ve got to
4. You must come and see this. Choose TWO correct options
a.'ve got to
b.can
c.have to
5. You mustn't arrive late. Choose TWO correct options
a.aren't allowed to
b.don't have to
c.can't
6. You shouldn't go so fast. It's a bit dangerous.
a.ought not to
b.mustn't
c.don't have to
7. Do I have to go to the meeting with them?
a.Must I
b.Can't I
c.Am I allowed to
8. I have to get up early.
a.could
b.'ve got to
c.should
9. You mustn't take that elevator. It's only for staff. Choose TWO correct options
a.can't
b.aren't allowed to
c.don't have to
10. We aren't allowed to play outside under any circumstances.
a.ought not to
b.mustn't
c.shouldn't
Have to, must, should – obligation, prohibition, necessity, advice
Exercise 3
Complete the following sentences with the most appropriate modal verb from the list below.
Remember that ought to is more formal than should. Use ought to (and NOT should) in the
more formal sentences
Can / could / must / mustn’t / should / shouldn’t / have to / don’t have to / ought to / ought
not to / were able to
EXAMPLE: Are you any good at athletics? How fast can you run?

1. The advice from the health committee is that all people with symptoms ought to go to

the doctor.

2. This is a non-smoking area, you mustn't smoke here.

3. I hate big multinational companies. I think they should pay more taxes.

4. When she was 4 years old, she could read perfectly well.

5. I must get up early tomorrow; I want to go running very early.

6. You shouldn't eat so many sweets. They are bad for you.

7. We have to wear a tie at work. I hate it!

8. The board agreed that employers ought not to have access to an employee's medical

file.

9. There was a lot of traffic, but fortunately we were able to arrive on time.

10. I'm not working tomorrow, so I don't have to get up early.

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