Tiếng Anh Nguyễn Phúc Nguyện - 0328373125
MODAL VERBS – MUST / HAVE TO / SHOULD
Ex 1. Complete the following sentences. Use affirmative or negative of "must".
1. You __________________________ study harder to get better marks.
2. The boy is only twelve years old. He ___________________________ ride a motorbike.
3. Jimmy, you __________________________ bite nails.
4. My classmate is very ill. She ________________________ see a doctor as soon as possible.
5. Your hands are dirty. You __________________________ wash them before meal.
6. We __________________________ brush our teeth at least once a day.
7. Children _______________________ play with dangerous objects like knives and matches.
8. Students __________________________ use mobile phones during the test.
9. Babies ___________________________ go to bed early.
10. You ____________________________ be impolite to elderly people.
Ex 2. Complete the following sentences. Use affirmative or negative of "have to".
1. Secretaries ____________________________ answer the phone. That is a part of their job.
2. Jason and Linda are on holiday. They __________________________ go to school today
3. He __________________________ come if he doesn't want to join with us.
4. You __________________________ worry about me! I am ok now.
5. Lam _________________ leave her house at 6.30 a.m. in order to get to her school at 7 a.m.
6. All the students __________________________ obey the school rules.
7. Today she doesn't have the literature lesson, so she __________________________ bring
her literature book.
8. I __________________________ take these books back to the school library on time or I
will get a fine.
9. There is a lift in this building, so we __________________________ climb the stairs.
10. Susan doesn't like her new job. Sometimes she ____________________ work at weekends.
Ex 3. Find the correct word to complete the sentences below.
1. When we were at school we ____________ wear a uniform.
2. You ____________ be an expert to use the basic functions of program.
3. We _____________ go to the meeting. Why didn’t you go?
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Tiếng Anh Nguyễn Phúc Nguyện - 0328373125
4. I _____________wear glasses, I still can see perfectly well.
5. We went to bed right after dinner because we __________ get up early the following day.
6. We _____________ go for a drink one day.
7. You ______________ take any money. It wasn’t necessary.
8. We ____________________talk to each other because it was an exam.
9. You ________________ turn off your mobile phone on a plane.
10. You_____________ go swimming after a big dinner.
11. You ___________ take an umbrella. It’s raining.
12. I think we _____________ go now. It’s late.
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Tiếng Anh Nguyễn Phúc Nguyện - 0328373125
KEY
Ex 1. Complete the following sentences. Use affirmative or negative of "have to".
1. Secretaries ________ have to ___________ answer the phone. That is a part of their job.
2. Jason and Linda are on holiday. They ______do not have to_____ go to school today
3. He _______doesn’t have to_______ come if he doesn't want to join with us.
4. You _______ doesn’t have to ______ worry about me! I am ok now.
5. Lam ________has to_________ leave her house at 6.30 a.m. in order to get to her school at 7
a.m.
6. All the students _______ have to ________ obey the school rules.
7. Today she doesn't have the literature lesson, so she ________ doesn’t have to ____ bring her
literature book.
8. I _______ have to __________ take these books back to the school library on time or I will
get a fine.
9. There is a lift in this building, so we ______ do not have to _____ climb the stairs.
10. Susan doesn't like her new job. Sometimes she _______has to___ work at weekends.
Ex 2. Complete the following sentences. Use affirmative or negative of "ought to".
1. You ______ ought to _________ study harder to get better marks.
2. They _______ought not to_______ be angry. It isn't good for their health.
3. A: It's so cold.
B: You ______ ought to ________ put on your thick coat before going out.
4. If somebody steals your wallet, you ________ ought to _________ tell the police.
5. You ______ ought not to _________ buy that meat. It doesn't look fresh enough.
6. She _______ ought not to _______ stay up too late at night as she may feel tired in the
morning.
7. Candidates ______ ought not to ____ wear shorts and a T-shirt to a job interview.
8. It's raining. If you don't want your dress to get wet, you ________ ought to ________ take an
umbrella.
9. You are driving too fast. You _______ ought to _____ slow down.
10. Lisa _______ ought not to __________ treat her younger sister badly. It makes her very
unhappy
Ex 3.
1. had to
7. didn’t have to
2. don’t have to
8. weren’t allowed to
3. had to
9. must
4. don’t have to
10. shouldn’t
5. had to
11. should
6. must
12. have
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