II. Underline the correct answer
1. If you like, I can/may make an appointment for you to see Dr Krall tomorrow.
2. Passengers mustn’t /don’t have to smoke while on board the plane.
3. Don’t let Sylvia climb that tree. She might/can fall.
4. You probably shouldn’t/ mustn’t keep your passport in that pocket: it could/ should easily be stolen.
5. I’m afraid Karen can’t/couldn’t come to the party tomorrow because she’s got flu.
6. Oh no! It mustn’t/can’t be 7 o’clock already. John and Graham will be here in fifteen minutes.
7. I absolutely ought to/have to leave the house at 6 if I want to be at the station by six-thirty.
8. Be careful, that pot’s very heavy. You have to/could hurt your back.
9. I have to/ must wear uniform at work according to the work principles.
10. Jack told his son: ‘Today, you have to/ must cut the grass in the garden.’
11. I’m not sure where he is now. He might/can be in his office.
12. When I was at high school, we had to/must wear uniform on Mondays.
13. He couldn’t/shouldn’t write until he was eight.
14. This is the first time Tom’s been to Germany. Fortunately, he will /can speak German.
15. Is it true that cats must/can see in the dark?
16. Do you think I should/ could buy Alex a birthday present?
17. The doctor said I don’t have to/ mustn’t lift anything heavy
18. You shouldn’t/ couldn’t join the team if you don’t want to
19. Frank’s not in his office. He can/might I at lunch.
20. Come on, put those books away- you shouldn’t/ mustn’t be studying at this time of night.
21. Should/ Can I have tomorrow off? I have to/must go to the dentist because I have a toothache.
22. I’ll be quit late getting to London, but you mustn’t/ don’t have to change the plans for me.
23. Students may/should be encouraged to type their assignments. It is easier for their professors to read.
24. The president said that there can/might be a strike next week.
25. I don’t know what I’m doing tomorrow. I must/ might go to the beach or I may stay at home.
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Underline the correct answer
If you like, I can/may make an appointment for you to see Dr Krall tomorrow.
Passengers mustn’t /don’t have to smoke while on board the plane.
Don’t let Sylvia climb that tree. She might/can fall.
You probably shouldn’t/ mustn’t keep your passport in that pocket: it could/ should easily be stolen.
I’m afraid Karen can’t/couldn’t come to the party tomorrow because she’s got flu.
Oh no! It mustn’t/can’t be 7 o’clock already. John and Graham will be here in fifteen minutes.
I absolutely ought to/have to leave the house at 6 if I want to be at the station by six-thirty.
Be careful, that pot’s very heavy. You have to/could hurt your back.
I have to/ must wear uniform at work according to the work principles.
Jack told his son: ‘Today, you have to/ must cut the grass in the garden.’
I’m not sure where he is now. He might/can be in his office.
When I was at high school, we had to/must wear uniform on Mondays.
He couldn’t/shouldn’t write until he was eight.
This is the first time Tom’s been to Germany. Fortunately, he will /can speak German.
1. Don’t leave your keys on the table. You will / won’t forget it.
2. Susan will / won’t be very happy if she passes the exam.
3. Fra afraid I will / won’t be able to come tomorrow.
4. I’m told you are ill. I hope you will / won’t feel better again.
5. I’m sure you will / won’t like that film. It’s very frightening. Let’s choose another one.
6. Turn on your laptop tonight We will / won’t chat a little bit.
7. You needn’t wear your cap. It will / won’tbe cold today.
8. I am really tired. I will / won’thave a rest.
VI. Complete the sentences with a form of “ must / mustn’t ” or “ have to/ has to/ don’t have to ”.
1. don’t have to
2. mustn’t
3. mustn’t
4. mustn’t
5. don’t have to
6. mustn’t
7. mustn’t
8. don’t have to
8. mustn’t
9. mustn’t
10.don’t have to
12. mustn’t
13. mustn’t
14. don’t have to
15. mustn't
16. has to
17. have
18. mustn't
19. mustn't
20. must
1. You don't have to pick me up tomorrow. I will take a taxi.
2. Look at that sign! You mustn't walk on the grass.
3. You mustn't blame anyone for your mistakes. You need to be responsible for yourself.
4. You don't have to be absent from class tomorrow because the teacher will check your attendance.
5. I don't have to prepare dinner because we will eat out tonight.
6. You mustn't leave any rubbish here. It is forbidden.
7. You don't have to let anyone know that. It is a big secret.
8. You don't have to come early tomorrow because the event will start late.
9. You mustn't park your car here. There is a "No Parking" sign.
10. They mustn't forget their homework at home.
11.I don't have to do the housework because I have a maid do it for me.
12. They mustn't break the rule that way. It is unacceptable.
13. I mustn't use the computer after 11pm because my mother doesn’t allow me to.
14. You don't have to buy that book. I will lend you mine.
15. Students mustn't look at their notes while they are taking the exam.
16. My mother has a terrible headache so she has to stop working today.
17. There is an accident, and the traffic is blocked. We must to stay here for a while.
18. While operating a motor vehicle, you mustn't drink and drive.
19. You mustn't skip classes too often or you will not pass the final exam.
20. They have to work hard and earn a lot of money. They want to move to a larger apartment.
11. I’m not sure where he is now. He might/can be in his office.
12. When I was at high school, we had to/must wear uniform on Mondays.
13. He couldn’t/shouldn’t write until he was eight.
14. This is the first time Tom’s been to Germany. Fortunately, he will /can speak German.
15. Is it true that cats must/can see in the dark?
16. Do you think I should/ could buy Alex a birthday present?
17. The doctor said I don’t have to/ mustn’t lift anything heavy
18. You shouldn’t/ couldn’t join the team if you don’t want to
19. Frank’s not in his office. He can/might I at lunch.
20. Come on, put those books away- you shouldn’t/ mustn’t be studying at this time of night.
21. Should/ Can I have tomorrow off? I have to/must go to the dentist because I have a toothache.
22. I’ll be quit late getting to London, but you mustn’t/ don’t have to change the plans for me.
23. Students may/should be encouraged to type their assignments. It is easier for their professors to read.
24. The president said that there can/might be a strike next week.
25. I don’t know what I’m doing tomorrow. I must/ might go to the beach or I may stay at home.
II. Underline the correct answer
1. If you like, I can/may make an appointment for you to see Dr Krall tomorrow.
2. Passengers mustn’t /don’t have to smoke while on board the plane.
3. Don’t let Sylvia climb that tree. She might/can fall.
4. You probably shouldn’t/ mustn’t keep your passport in that pocket: it could/ should easily be stolen.
5. I’m afraid Karen can’t/couldn’t come to the party tomorrow because she’s got flu.
6. Oh no! It mustn’t/can’t be 7 o’clock already. John and Graham will be here in fifteen minutes.
7. I absolutely ought to/have to leave the house at 6 if I want to be at the station by six-thirty.
8. Be careful, that pot’s very heavy. You have to/could hurt your back.
9. I have to/ must wear uniform at work according to the work principles.
10. Jack told his son: ‘Today, you have to/ must cut the grass in the garden.’