INFINITIVES AND MODAL VERBS
Choose the best answer by circling a, b, c or d.
1. “ Do you .chew with your mouth like that? Geez, it’s making me sick watching you eat that ………
the piece of pizza.
a. have to b. can c. should d. able to
2. I speak Arabic fluently when I was a child.……………
a. could b. can c. would d. should
3. I was reading the book last night before I went to bed. I never took it out of this room. It……………
by lying around here somewhere.
a. must b. should c. could d. can
4. “ .I borrow……… your lighter for a minute?”
“ Sure, no problem. Actually, you .keep it if you want to. I’ve given up smoking.”………
a. could/may b. may/could c. could/can d. could/could
5. If you’ve worried about your health, perhaps you see a doctor.…………
a. should b. can c. must d. will
6. If you want to get a better feeling for how the city is laid out, you walk downtown and explore ………
the waterfront.
a. have to b. will c. can d. could
7. “ I’m sorry, sir. You .drink beer in here.”………
a. needn’t b. can’t c. shouldn’t d. won’t
8. It rain this evening. Why don’t you take an umbrella?………
a. could be b. must c. might d. won’t
9. I’ve redone this math problem at least twenty times, but my answer is wrong according to the answer
key. The answer in the book be wrong.………
a. have to b. must c. should d. can
10. ‘ we’re getting married.”
“ Congratulations!”
“ But you tell anyone. It’s a secret.”…………
a. can’t b. won’t c. mustn’t d. needn’t
11. Mr Brown is very rich. He work hard for a living.………
a. mustn’t b. shouldn’t c. can’t d. doesn’t have to

12. Nancy said you didn’t need to buy her anything for her birthday, but I really think you .at least ……
get some flowers or a nice bottle of wine.
a. could b. must c. have to d. should
13. “ Oh my God, he’s unconscious. Don’t move him-he have internal injuries. Somebody calls ……
an ambulance.”
a. must b. could c. should d. would
14. Please make sure to water my plants while I am gone. If they don’t get enough water, they…………
die.
a. will b. must c. should d. might
15. Ted’s flight from Amsterdam took more than 11 hours. He .be exhausted after such a long ………
flight.
a. might b. should c. must d. ought to
16. The book is optional. My professor said we could read it if we needed extra credit. But
we read it if we don’t want to.……
a. cannot b. must not c. don’t have to d. won’t
17. You .forget to pay the rent tomorrow. The landlord is very strict about paying on time.……
a. mustn’t b. don’t have to c. couldn’t d. won’t
18. These are my most precious possessions so you .touch them, but you look at them……… ………
a. can’t/must b. mustn’t /can c. shouldn’t/must d. mustn’t/should
19. .this new product prolong human life?…………
a. may b. should c. can d. might
20. Tom has just got a new job. He be very pleased.………
a. might b. must c. should d. will
21. I just tripped on your carpet and almost fell! There’s a hole in it. You . fix that before ………
someone gets hurt.
a. can b. may c, ought to d. could
22. We .discuss the differences between urban life and rural life in groups.………
a. can b. mustn’t c. might d. shouldn’t
23. We no longer suffer the injustice of oppression! Freedom shall be ours!……
a. would b. might c. shall d. can

24. She hasn’t eaten anything since yesterday. She be really hungry.………
a. might b. will c. can d. must
25. When dining with your friends in a restaurant, you .be expected to go “ Dutch”……
a. can b. must c. should d. shouldn’t
26. When my father was young, he .work in the garden for long hours.………
a. can b. could c. will d. should
27. Where is the spatula? It cram all day for my French final. I didn’t get to sleep until after ………
midnight.
a. had to b. should c. must d. could
28. You avoid walking under a ladder.…………
a. can b. will c. should d. must
29. You be rich to be a success. Some of the most successful people I know haven’t got a…………
penny to their name.
a. can’t b. don’t have to c. shouldn’t d. couldn’t
30. This building .finished by the end of last year but there have been so many strikes that it …………
isn’t finished yet
a. will have been b. should have been c. was to have been d. may have been
31. Jenny’s engagement ring is enormous! It .have cost a fortune.………
a. can b. must c. could d. should
32. Oh no! Frank’s wallet is lying on the coffee table. He have left it here last night.……
a. must b. should c. could d. can
33. Tom painted his bedroom black. It looks dark and dreary. He .a different colour.…………
a. has to choose b. should have chosen
c. must have chosen d. could have been choosing
34. Dan appears .some weight. He has been ill?………
a. have been lost b. to have lost c. have been lost d. have lost
35. I’m certain that Tim has gone home. His jacket’s not here. He gone home.…………
a. could have b. might have c. should have d. must have
36. I don’t know who rang, but it Jim.………
a. could have been b. should have been c. might have been d. shouldn’t have been

37. “ I heard their phone ringing “-You .their phone ringing. They haven’t got a phone.”………
a. shouldn’t have heard b. mustn’t have heard
c. must have heard d. couldn’t have heard
38. I know you didn’t see me yesterday because I was in New York. You me.…………
a. may not have seen b. mustn’t have seen
c. shouldn’t have seen d. can’t have seen
39. “ I left a cookie on the table, but now it’s gone. What happened to it?”-“ I don’t know. One of the
children it”…………
a. may have eaten b. could eat
c. had to eat d. should have eaten
40. “ I knocked myself out of my apartment. I didn’t know what to do”-“ you your roommate”………
a. could have called b. should have called
c. would have called d. may have eaten
41. It’s a pity you didn’t ask because I .you.………
a. could help b. could have helped
c. should have helped d. would help
42. “I went with him to show him the way”- “ you .that he knows the way”…………
a. needn’t have done b. shouldn’t have done
c. may not have done d. appeared not to have done
43. “ I’ve written to Paul” “ you He’s coming here tomorrow. You’ll see him before he gets …………
your letter.”
a. shouldn’t have written b. needn’t have written
c. mustn’t have written d. were to have written
44. “ The instruction were in French. I translated them in to English for him.”-“ you them. He ………
knows French.”
a. needn’t have translated b. oughtn’t to have translated
c. shouldn’t have translated d. can’t have translated
45. They .a two-storey house, but money ran out so they built a bungalow instead.…………
a. should have built b. may have built
c. ought to have built d. should have been

46. They married next week but now they have quarreled and the wedding has been ……………
cancelled.
a. will have b. were to have been
c. will have been d. should have been
47. “ Why are you so sure that Ann didn’t commit the crime she’s been accused of committing ?”-“
She that crime because I was with her, and we were out of town on that day.”……………
a. may not have committed b. was supposed to commit
c. committed d. couldn’t have committed
48. “ As soon as I switched on my new electric cooker there was an explosion.”-“ There …………
something wrong with it.”
a. shouldn’t have been b. needn’t have been
c. must have been d. might have been
49. Why are you so late? You here two hours ago!…………
a. need have been b. must have been
c. should have been d. ought to have been there
50. He by this window because it is barred.………
a. couldn’t escape b. couldn’t have escaped
c. must have escaped d. mightn’t have escaped
51. How did he get out of the house? He down the stairs for they were blazing.……
a. could have come b. ought to have come
c. couldn’t have come d. mightn’t have come
52. “ I bought a sweater at Marks and Spencer’s last Sunday.”-“You it on Sunday. Marks……… and
Spencer’s is shut on Sundays.”
a. should have bought b. couldn’t have bought
c. Mustn’t have bought d. mightn’t have bought
53. “ I can’t think why they didn’t try to help him”-“ They .that was drowning.”………
a. couldn’t have realized b. mightn’t have realized
c. must have realized d. mustn’t have realized
54. “I found that everything I said on the phone had been reported to the police”-“your
phone .tapped.”………

a. must have been b. shouldn’t have been
c. might have been d. need have been
55. I found this baby bird at the foot of tree. It from the nest.………
a. might have fallen b. must have fallen
c. may have fallen d. ought to have fallen
56. “ I saw a rattlesnake near the river yesterday.”-“ you .a rattlesnake. There aren’t any ………
Rattlesnake in this country.”
a. couldn’t have seen b. mustn’t have seen
c. shouldn’t have seen d. mightn’t have seen
57. “ I waited from 8.00 to 8.30 under the clock and he says he waited from 8.00 to 8.30 under the
clock and we didn’t see each other!”-“ You under different clocks! There are two in the station, ………
you know.”
a. should have been b. shouldn’t have been
c. could have been d. needn’t have been
58. I wonder who broke the wineglass; it .the cat for she was out all day.……
a. must have been b. can’t have been
c. mightn’t have been d. shouldn’t have been
59. “ Fare are awful! I had to pay $ 2 for my tickets and $ 1 for the baby.” – “ But you .a ticket ………
for the baby. Babies travel free.”
a. weren’t to have bought b. needn’t have bought
c. must’s have bought d. mightn’t have bought
60. You their phone ringing. They haven’t got a phone.……
a. can’t hear b. couldn’t have heard
c. haven’t heard d. had not heard
61. I got up very early because I had to get ready to go away. But in fact it didn’t take me long to fet
ready. So, I .up so early. I could have stayed in bed long longer.………
a. mustn’t get b. needn’t get
c. needn’t have got d. didn’t get
62. I up early, but it was a lonely morning, so I did.……………
s. haven’t got b. didn’t need to get

c. needn’t have got d. hadn’t got
63. She was too far away, so she you.…………
a. mustn’t see b. hasn’t seen
c. couldn’t have seen d. hadn’t see
64. I’ve lost one of my gloves. I it somewhere.……………
a. must drop b. must have dropped
c. must be dropping d. must have been dropping
65. You out yesterday without a coat. No wonder you caught cold.………
a. shouldn’t have gone b. haven’t gone
c. hadn’t gone d. mustn’t have gone
67. You .the dog, which was unnecessary. He can walk very well.……
a. didn’t carry b. haven’t carried
c. needn’t have carried d. hadn’t carried
68. Why don’t you stay at a hotel when you went to New York? You .with Barbara.………
a. can stay b. could stay
c. will stay d. could have stayed
69. You to our conversation. It was private.
a. couldn’t have been listening b. haven’t been listening
c. shouldn’t have been listening d. hadn’t been listening
70. It was a great party last night. You ……………
a. should come b. ought to have come
c. come d. have to come
MATERIAL PREPARED BY MISS LIEN HONG QUANG HIGH SCHOOL
TRY YOUR BEST AND GOOD LUCK TO YOU !