แบบฝึกหัดเรื่อง Modal verb

1. .6/3
9

2. Can/be able to
Will you be able to finish it by Friday?
Could/were able to
Mozart could play the piano at the age of three.

3. • Must
I must tidy up or my mother will
get angry.
• have (got) to
You have (got) to take this
syrup two times a day.
• Should/ought to
you should/ought to let
your parents know this.
• Need
I’m so dirty. I need a shower.

4. • Don’t have to/haven’t got to/needn’t/don’t
need to
You needn’t eat it if you don’t
like it.
• needn’t have+V.3(
)
We needn’t
have cooked. We bought lots of food.
• Didn’t have to(
)
He
didn’t have to clean the car.

5. Can/could/may/might
The children may/could/might watch TV tonight.
Could/may/might have+V.3
They could have forgotton about the concert.

6. Should/ought to
Why don’t you ask Tom? He should be in his
office now.

7. • can/could/may/might
Can/Could/May/Might I go out please?
You can/can’t/may/may not smoke in this room.

8. • Can/will
• Can/Will you come to the doctor’s with me?
• Could/may/would(
)
• Could you help me with this project,please?

9. Can
• you can visit Chicago While you’re in the USA.
Shall/could(
)
• Could you turn down the music,please?

10. • Shall
Shall we tell him the truth or not?
• Should/ought to
you dentist.
You should pay a visit to
• Should/ought to have+V.3
She should have
told us before she went away.
• Had better
my affairs.
You had better stop interfering in

11. • Mustn’t
You musn’t smoke in here.
Can’t
He can’t enter that room ; it’s for staff only.

12. • Used to
she used to go fishing when she
lived there.
• Would
They would read a book before
they went to bed.
• Will
“hello”.
Every time he passes by , he will say

13. Exercise 1
Complete each blank with one modal verb
• Text A
used to
As children, they(1)______ to spend a lot of time together.
would
They(2)______ go for long bike rides along the coast until they
were able
reached the cave. Once there, they(3)_______able to explore it
to the heart’s content, as no one else knew about this secret
had to
hideaway. They felt they(4)______to keep this place to
themselves no matter what.
:

14. Exercise 1
Complete each blank with one modal verb
• Text B
I’m worried about John. He hasn’t been well lately.
must
Yesterday, he was pale and he(1)______ have been feeling
could
had better
sick, as he(2)______ not eat a thing. I think he (3)______
may/might/could
better see a doctor, as he(4)____________have some serious
illness he’ not aware of. Of course, it (5)___________ just be
a virus. To be on the safe side,though,I(6)______drop by his
will
house later and tell him that he(7)_________ do something
should/must
about it immediately.
:

15. Exercise 1
Complete each blank with one modal verb
• Text C
can
When used properly, videos(1)_______be very
must/could
educational for children. Of course, they(2)_______
should/must
be suitable for their age and children(3)_________ not just
be placed in front of the television and left unsupervised.
ought to
Parents(4)________ to be actively involved, too, as children
must/should
(5)_________ not be passive viewers; they need someone to
interact with while watching.
:

16. Exercise 1
Complete each blank with one modal verb
• Text D
had to
My car broke down yesterday and I (1)_______ to
should
take the bus to work. I (2)_______ have taken a taxi
instead, as it was a frustrating experience. We were all
squashed together like sardines in a tin and
could
we(3)______ hardly breathe. To make matters worse, an
overweight lady standing next to me wanted to get off
Do/Would you mind
at one point.”(4)____________ you mind moving a bit
can/could
to the side so that I (5)________ get to the door?” she
said. She nearly squashed me to death! (6)______ the
must
public transportation system be this bad?
:

17. Exercise2
Complete the second sentence so that it has a similar
meaning to the first sentence,using the words in parentheses
1.If I were you, wouldn’t stay in the sun without
sunscreen.(had better)
You had better not stay in the sun without sunscreen.
Answer____________________________________
:

18. Exercise2
Complete the second sentence so that it has a similar
meaning to the first sentence,using the words in parentheses
2.Shall I water the plants for you?(would like)
Would you like me to water the plants for you?
Answer____________________________________
:

19. Exercise2
Complete the second sentence so that it has a similar
meaning to the first sentence,using the words in parentheses
• 3. I expect that she has invited everyone to
her birthday party.(must)
She must have invited everyone to her birthday party.
• Answer_______________________________
:

20. Exercise2
Complete the second sentence so that it has a similar
meaning to the first sentence,using the words in parentheses
• 4. As a child, Daniel was never in the habit of
eating cornflakes.(used to)
As a child, Daniel never used to eat cornflakes.
• Answer_______________________________
:

21. Exercise2
Complete the second sentence so that it has a similar
meaning to the first sentence,using the words in parentheses
• 5. Smoking is not allowed in the
building.(must)
You must not smoke in the building.
• Answer_______________________________
:

22. Exercise2
Complete the second sentence so that it has a similar
meaning to the first sentence,using the words in parentheses
• 6. It was wrong of you to steal that
book.(should)
You should not have stolen that book.
• Answer_______________________________
:

23. Exercise2
Complete the second sentence so that it has a similar
meaning to the first sentence,using the words in parentheses
• 7. She is not obliged to cook if she doesn’t
have time.(have to)
She doesn’t have to cook if she doesn’t have time.
• Answer_______________________________
:

24. Exercise 3
Choose the correct answer.
• 1. He ______ swim very long distances when
he was a teenager, but after years of heavy
smoking, he no longer can.
a. can
b. would
c. could
d. should

25. Exercise 3
Choose the correct answer.
• 2. We had been warned that our flight might
be delayed this morning, but the pilot______
take off despite heavy fog.
a. is able to
c. was able to
b. must
d. may

26. Exercise 3
Choose the correct answer.
• 3. I’m glad we _____ persuade the teacher to
put tomorrow’s exam off till next Monday.
Now we’ll have plenty of time to revise.
a. must
b. had to
c. should
d. were able to

27. Exercise 3
Choose the correct answer.
• 4. The children _____ have as much fruit as
they like, but please don’t give them any
sweets.
a. must
b. can
c. will
d. would

28. Exercise 3
Choose the correct answer.
• 5. The teacher always calls the students by
their names. She _____ have a good memory
if she’s able to keep all their names in mind.
a. must
b. will
c. should
d. could

29. Exercise 3
Choose the correct answer.
• 6. Because I had missed quite a few classes
due to my illness, I _______ very hard for my
exams in order to make up for what I’d
missed.
a. used to study
c. would rather study
b. had to study
d. will have studied

30. Exercise 3
Choose the correct answer.
• 7. “Have you decided where to go on holiday
this summer?” “Not yet, but we _____ to the
same place as we did last year.”
a. might go
c. will go
b. would go
d. could have gone

31. Exercise 3
Choose the correct answer.
• 8. Because it’s you day off tomorrow, you____
to bed early tonight. Why don’t we go to the
pub together?
a. shouldn’t go
b. couldn’t go
c. needn’t go
d. haven’t had to go

32. Exercise 3
Choose the correct answer.
• 9. It _____ a disaster, but fortunately, he ____
fast at the time.
a. might be, didn’t drive
b. must be, won’t be driving
c. was supposed to be, hadn’t driven
d. could have been, wasn’t driving

33. Exercise 3
Choose the correct answer.
• 10. When you _____ a product in a foreign
country, you _____ customs and cultural
differences into consideration.
a. have marketed, might have taken
b. market, have been taking
c. are marketing, ought to take
d. will market, have to take

34. Exercise 3
Choose the correct answer.
• 11. judging from the damage to the car, she
______ really fast at the time of the accident.
a. would rather be driving
b. must have been driving
c. may have driven
d. is supposed to drive

35. Exercise 3
Choose the correct answer.
• 12. When the pain from her broken leg
became unbearable last night, the doctor____
her a pain-killing injection.
a. might give
b. used to give
c. should give
d. had to give

36. Exercise 3
Choose the correct answer.
• 13. I feel terrible. Something we ate at the
restaurant _____ me sick.
a. must have made b. would make
c. should have made d. had to make

37. Exercise 3
Choose the correct answer.
• 14. You ______ about the offer carefully if you
don’t want to be sorry later.
a. should have thought
c. would think
b. had better think
d. must have thought

38. Exercise 3
Choose the correct answer.
• 15. When my boss asked me to work
overtime, I ______ no, even though I ______ a
prior arrangement for the evening.
a. shouldn’t say, was having
b. needn’t say, should have
c. couldn’t say, had
d. haven’t said, could have

39. Exercise 3
Choose the correct answer.
16. Even light drugs _____ toxic when taken in
excessive amounts, so you _____ the prescribed
dosage.
a. ought to be, may observe
b. can be, should observe
c. have been, used to observe
d. would be, would observe

40. Exercise 3
Choose the correct answer.
• 17. I don’t think it is a good idea to make
arrangements for a picnic tomorrow.
According to the weather forecast, it ____rain.
a. must
b. has to
c. would rather
d. might

41. Exercise 3
Choose the correct answer.
• 18. We can’t hire that girl just because she’s
your friend’s daughter. Any prospective
employee ___ certain requirements for this
position.
a. might fulfil
b. must fulfil
c. has to fulfil
d. can fulfil

42. Exercise 3
Choose the correct answer.
• 19. why did you bother so much trying to
change your money? You ____ it as they
accept US dollars in Mexico.
a. haven’t changed
b. didn’t use to changed
c. needn’t have changed
d. can’t changed

43. Exercise 3
Choose the correct answer.
• 20. When I was a child, collecting stamps and
sticking them into an album____ my favorite
hobby, and I still have some of them now.
a. ought to be
b. used to be
c. has been
d. could be

44. Exercise 3
Choose the correct answer.
• 21. It’s no use complaining now. You______
the consequences before.
a. should have considered
b. could consider
c. would consider
d. were able to consider

45. Exercise 3
Choose the correct answer.
• 22. I don’t really like to go shopping alone.
Because I often need advice on what to buy, I
_____ company while shopping.
a. used to have
c. have had
b. should have had
d. would rather have

46. Exercise 3
Choose the correct answer.
• 23. I ______ overtime, because Ann came to
help me and we left the office at the usual
hour.
a. needn’t have worked
b. couldn’t have worked
c. might not have worked
d. didn’t need to work

47. Exercise 3
Choose the correct answer.
24. “Isn’t that Sandra over there?”
“No, it ____ her. She is out of town at the
moment, and won’t be back until Friday.”
a. couldn’t have been
b. can’t be
c. hasn’t been
d. may not be

48. Exercise 3
Choose the correct answer.
• 25._____ I have a look at your magazine if you
_____ it at the moment?
a. will, don’t read
c. Can, aren’t reading
b. May, won’t be reading
d. Should, didn’t read

49. Exercise 3
Choose the correct answer.
• 26. In the end, she_____ her son from being a
drug addict, but she really had to sacrifice a
lot of her own life to do so.
a. would rather save
c. used to save
b. ought to save
d. was able to save

50. Exercise 3
Choose the correct answer.
• 27. I’m not sure why Cindy didn’t come to the
party, but it_____ because she knew her exhusband_____ there as well.
a. might have been, was going to be
b. will be, should have been
c. was, must have been
d. has been, will have been

51. Exercise 3
Choose the correct answer.
• 28. After driving for two hours along the
unfamiliar road, we suddenly realized that we
____ a wrong turning.
a. could be taking
b. used to take
c. ought to take
d. must have been

52. Exercise 3
Choose the correct answer.
• 29. The other day, I ____ the man who ____
the president’s speeches before he got fired.
a. had met, has been writing
b. have met, had written
c. met, used to write
d. meet, could have written

53. Exercise 3
Choose the correct answer.
30. I’m working in my thesis at the moment, so I
_____ not be disturbed unless something urgent
crops up.
a. would like
b. would rather
c. would mind
d. would have

56. •
A
used to)
would)
were
able)
had to)

57. •
B
must)
could)
had
better)
may/might/could)
may/might/could)
will)

58. •
C
can)
must/could)
should/must)
ought to)
must/should)

59. •
D
had
should)
to)
could)
Do/Would you mind)
can/could)

60. • 1. You had better not stay in the sun without
sun screen.

61. • 2. Would you like me to water the plants for
you?
•

62. • 3. She must have invited everyone to her
birthday party?
•

63. • 4. As a child, Daniel never used to eat
cornflakes.
•

64. • 5. You must not smoke in the building.
•

65. • 6. You should not have stolen that book.
•

66. • 7. She doesn't have to cook if she doesn't
have time.
•

67. •
C
could)

68. •
C
was
able to)

69. •
D
to)
were able

70. •
B
can)

71. • 5.
a
(must)

72. • 6.
b
(had to study)

73. • 7.
a“
”“
(might go)
”

74. • 8.
c
(needn’t go)

75. • 9.
d
been)
(wasn’t driving)
(could have

76. • 10
c
marketing)
(ought to take)
(are

77. • 11.
b
(must have been driving)

78. • 12.
d
(had to give)

79. • 13.
a
(must have made)

80. 14.
b
(had better think)

81. • 15.
c
(couldn’t say)
(had)

82. • 16.
b
(can be)
(should
observe)

83. 17.
d
(might)

84. • 18.
b
(must fulfil)

85. • 19.
c
(needn’t have changed)

86. • 20.
b
(used to
be)

87. • 21.
a
(should have considered)

88. • 22.
d
(would rather
have)

89. • 23.
d
need to work)
(didn’t

90. • 24.
• “
b “
”
(can’t be)
”

91. • 25.
c
(can)
(aren’t reading)

92. • 26.
d
(was able to save)

93. • 27.
a
(might have
been)
(was going to be)

94. • 28.
d
(must have
taken)

95. • 29.
c
(used to write)
(met)

96. • 30.
b
(would rather)