Question

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.

Answer 1

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.

Answer 2

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.’