BÀI TẬP TIẾNG ANH CÂU ĐIỀU KIỆN

BÀI TẬP TIẾNG ANH CÂU ĐIỀU KIỆN
TÓM TẮT CÔNG THỨC CÂU ĐIỀU KIỆN
Loại Mệnh đề phụ ( IF ) Mệnh đề chính
1A IF + S + V
1/S/ES
+ , S + V
1/S/ES
+
1B IF + S + V
1/S/ES
+ , S + WILL V
0
+
2 IF + S + WERE / V
2/ED
+ , S + WOULD V
0
+
3
IF + S + HAD V
3/ED
+ ,
S + WOULD HAVE V
3 /ED
+
HAD + S + V
3/ED
+ ,
Lưu ý: Chữ IF: NẾU; chữ UNLESS: NẾU KHÔNG; chữ OR: HOẶC
LÀ NẾU KHÔNG/ NẾU KHÔNG
Do đó: 1) IF + Mệnh đề khẳng định = UNLESS + Mệnh đề phủ định

2) IF + Mệnh đề phủ định = UNLESS + Mệnh đề khẳng định
Cách dịch đối với câu dùng UNLESS / OR:
1) Nếu UNLESS ( hoặc OR) đặt đầu câu thì dịch mệnh đề chính ( mệnh đề
bên phải dấu phẩy) trước.
2) Nếu UNLESS ( hoặc OR) đặt giữa câu thì dịch từ trái qua phải.
BÀI TẬP ÁP DỤNG
Hãy chọn một câu trả lời đúng nhất (A, B, C hoặc D) cho mỗi câu tương ứng
dưới đây:
1. If the train is late, we………………… to the office.
A) walk B) will walk C) would walk D)
walks
2. She…………………… if she has time.
A) calls B) would call C) will call D)
calling
3. If it………………… …. too much, I will buy the smaller one.
A) costs B) will cost C) would cost D)
cost
4. If the class……………………… full, we will find another one.
A) are B) will be C) were D)
is
5. What will we do if the taxi…………………….….?
A) don’t come B) didn’t come C) doesn’t come D)
had not come
6. If it snowed this summer, we…………………… skiing.
A) goes B) will go C) would go D)
go
7. If you drove more carefully, you………… …… so many
accidents.
A) would not have B) will not have C) wouldn’t have had D)
has

8. If he…………… ………… up earlier, he’d get to work on time.
A) gets B) will get C) got D)
had got
9. I would tell you more about it if we………………………………
more time.
A) has B) will have C) have D)
had
10. If I……………….…….you, I wouldn’t worry about going to
university.
A) am B) be C) were D)
had been
11. If you………………….…… any money, I’d give you some.
A) hadn’t had B) haven’t had C) don’t have D)
didn’t have
12. You’d earn more money if you…………………. more products.
A) to sell B) sell C) sold D)
will sell
13. If I……………………. so busy yesterday, I would have visited
you.
A) were not B) wasn’t C) aren’t D)
hadn’t been
14. If you had seen the film, you………….……… it.
A) will enjoy B) would have enjoyed C) would enjoy D)
enjoyed
15. She would have gone to the university if she……………… the
opportunity.
A) has B) will have C) had had D)
had
16. If he had been more careful, he…………….…………. an
accident.

A) would not have had B) will not have C) does not have D)
would not have
17. If you’d stayed at home, there …………………………. any
trouble.
A) would not be B) will not be C) is not D) would
not have been
18. What would you do if he………………….…… tomorrow?
A) resigned B) will resign C) resigns D)
to resign
19. I’ll do it if he…………………….……. me.
A) asking B) will ask C) asked D)
asks
20. If you………… …… for the car, we’d be able to sell it.
A) look B) looks C) looked D)
had looked
21. I wouldn’t have believed it if I………………… it with my own
eyes.
A) not to see B) didn’t see C) don’t see D)
hadn’t seen
22. What ………….… if you found a burglar in your house?
A) will you do B) do you do C) would you do D)
you do
23. If you………………….…… more slowly, he might have
understood you.
A) spoke B) speak C) speaks D)
to speak
24. If you…………………. careful, you will cut yourself with that
knife.
A) are not B) were not C) be not D)
not be

25. If she……………………this one, I will bring her another one.
A) don’t like B) doesn’t like C) not like D)
to like
26. If I him, I………………………… him a lift.
A) see/ would give B) saw/ will give C) see/ will give D) had
seen/ will give
27. The table if you……………………. on it.
A) will collapse/ stand B) would collapse/ stand
C) would have collapsed/ stood D) collapses/ had stood
28. If he………………… all those fruits, he sick.
A) eat / will get B) eats/ will get
C)
had eaten/ would get D) ate/ would have got
29. If I your passport, I………… ……… you at once.
A) found/ will telephone B) find/ would telephone
C)
had found/ would have telephone D) find/ will telephone
30. The police…………………… him if they catch him.
A) arrest B) would arrest C) will arrest D)
arrested
31. If he………………. in such a pale light, he will ruin his eyes.
A) read B) reads C) to read D)
reading
32. Someone………………………. your car if you leave it
unlocked.
A) steal B) will steal C) stole D)
would steal
33. What will happen if my parachute……………………….?
A) hadn’t opened B) won’t open C) doesn’t open D)
didn’t open

34. If he………… my car more carefully, I him
$10.
A) washes/ would give B) washes/ will give
C) washed/ will give
D) washes/ would have given
35. If you……………… away, I’ll send for the police at once.
A) don’t go B) not go C) didn’t go
D)hadn’t
36. I very angry if he………… any more
mistakes.
A) am/ made B) were/ made C) would be/ makes D)
will be/ makes
37. If he…………… late, we without him.
A) comes/ would go B) comes/ will go
C) had come/ would go D) came/ will go
38. If we the car here, it……… ……. in anybody’s
way.
A) leave/ will be B) leaves/will be C) left/ will be D)
had left/ will be
39. He late for the train if he……… …. at
once.
A) would be/ doesn’t start B) will be/ doesn’t start
C)
would have been/ didn’t start D) is / hadn’t started
40. If you late, they……………………. you in.
A) arrive/ would not let B) arrived/ wouldn’t let
C)
had arrived/ wouldn’t let D) to arrive/ would not let
41. Unless he………………… more, he won’t get much
commission.

A) sell B) sells C) sold D)
selling
42. If I you $10, when ………………………. me?
A) lend/ would you repay B) lend/ will you repay
C)
lent/ will you repay D) lend/ would you have
repaid
43. If he………………. hard today, a
holiday tomorrow?
A) worked/ can he have B) work/ he can have
C)
works/ can he have D) had worked/ he can have
44. Ice………………… into water unless you heat it.
A) don’t turn B) doesn’t turn C) would turn D) would
have turned
45. If you………………… this one, I’ll bring you another.
A) doesn’t like B) will not like C) don’t like D)
didn’t like
46. Unless you more careful, you………………… an
accident.
A) are/ will have B) were/ will have C) had been/ would haveD)
be/ have
47. If I tell you a secret, ………………. you promise not to tell it to
anyone else?
A) would B) did C) will D)
have
48. If you…………………… what I say, ask your mother.
A) not believe B) not to believe C) didn’t believe D)
don’t believe
49. Unless I a quiet room, I………………not be able to do

any work.
A) had/ will B) have/ will C) has/ would have D) had
had/ would have
50. She not open the door unless she…………………
who it was.
A) will/ knew B) will/ knows C) would/ knew D)
does/ knows
51. If I a typewriter now, I……………….………. this
contract by myself.
A) have/ would type B) have/ will type
C)
had/ would type D) had had/ would have
typed
52. Unless I…………….……. his address, I’d give it to you.
A) didn’t know/ will give B) don’t know/ would have
given C)
knew/ would give D) know/ will give
53. He…………………………. a lot better if he more
often years back.
A) would have looked/ shaved B) will look/ shaved
C)
looks/ shave D) would have looked/ had
shaved
54. If you……………… for lower stakes, you
so much.
A) plays/ would lose B) play/ will have been
losing C)
played/ won’t lose D) had played/ wouldn’t
have lost
55. Unless he worked more slowly, he……………… so many

mistakes.
A) would make B) will make C) wouldn’t make D) won’t
make
56. I wouldn’t drink that wine if I……………… you.
A) were B) am C) had been D)
be
57. More tourists ……………. to this country unless it……… a
better climate.
A) would come/ had B) wouldn’t come/ had
C)
wouldn’t come/ didn’t have D) would come/ didn’t have
58. If you ……………. your car into the river, you…………………
able to get out.
A) drive/ weren’t B) drove/ wouldn’t be C) drove/ will be D)
drive/ wouldn’t be
59. If you………………….to a union, you couldn’t get a job.
A) don’t belong B) are belonging C) had belong D)
didn’t belong
60. What ………………… if you found a burglar in your house?
A) do you do B) you do C) would you do D)
you would do
61. He might get fat unless he………………… smoking.
A) kept on B) stopped C) accepted D)
addicted
62. If you……………………. someone drowning what would you
do?
A) see B) seen C) had seen D)
saw
63. I………………. ruined her if I bought her everything she asked
for.

A) were B) will be C) would have been D)
would be
64. I …………………… a job easily if I……… ……. a degree.
A) could get/ have B) can get/ had C) could get/ had D)
can get/ had had
65. The whole machine …………………. into pieces if you……….
that screw quickly.
A) felt/ remove B) will fall/ removed C) would fall/ removed D)
would fall/ remove
66. I’d go and see him more often if he……………… on a bus
route.
A) lives B) lived C) had lived D)
living
67. What would you have done if the lift……… struck between two
floors at that time.
A) had got B) got C) gets D)
getting
68. If you knew you had only six weeks to live, how ……………….
such a short span?
A) did you spend B) will you spend C) would you spend D)
would you have spend
69. I’d climb over the wall if there………… so much broken glass
on top of it.
A) were B) had been C) are D)
is
70. Unless I had known that you were in hospital,
I…………………… you.
A) will visit B) would have visited C) visit D)
don’t visit
71. You would have seen my garden at its best if you………………

here last week.
A) were B) are C) had been D)
be
72. I shouldn’t have believed it if I…………………… it with my
own eyes.
A) had seen B) saw C) hadn’t seen D)
didn’t see
73. If I………………. a map, I …………………………… the way
to the Post Office.
A) had had/ would have lost B) had had/ wouldn’t have
lost C)
had/ won’t lose D) have/ wouldn’t have
74. If I…………………. that you were coming, I’d have baked a
cake.
A) know B) knew C) had known D)
didn’t know
75. Had you left that wasp alone, it………………… you.
A) would have stung B) wouldn’t sting
C)
wouldn’t have stung D) would sting
76. Unless I ……………that the traffic lights were red,
I…………… …………
A) had realized/ would have stopped B) had realized/ wouldn’t
have stopped C)
realized/ would stop D) realize/ will not stop
77. If you ……… me that he had never paid his debts,
I………………… him the money.
A) had told/ wouldn’t have lent B) had told/ wouldn’t have
been lent C)
tell/ will not lend D) told/ would lend

78. If you………………, he wouldn’t have known that we were
there.
A) didn’t sneeze B) won’t sneezed C) doesn’t sneeze D)
hadn’t sneezed
79. If you…… some mustard in the sandwiches, they would
have tasted better.
A) put B) puts C) had put D)
putting
80. The hens………………………. into the house if you had shut
the door.
A) couldn’t get B) couldn’t have got C) will not get D)
doesn’t get
81. Had you known that the river was dangerous, he…… to swim
across it.
A) would have tried B) would try C) will not try D)
wouldn’t have tried
82. …………… ………. more slowly, he might have understood you.
A) Had you spoken B) Did you speak C) If you speak D)
If you spoke
83. Or he had known the whole story, he……………… so angry.
A) would have been B) wouldn’t have been C) wouldn’t be D)
would be
84. Or you had been in such a hurry, you…………… sugar into the sauce
instead of salt.
A) will not put B) would put C) wouldn’t have put D)
put
85. If I…………… ready when he called, he would have taken me with him.
A) were B) be C) am D)
had been
86. Unless you… at the engine for a moment, you would have seen

what was missing.
A) hadn’t looked B) didn’t look C) look D)
looked
87. Daisy……………… by her enemies or the geese had cackled so loudly.
A) would have been captured B) wouldn’t have been
captured C)
will have been captured D) won’t have been captured
88. He would have been arrested by the policemen or he…………………. to
leave the country.
A) doesn’t try B) tries C) had tried D)
hadn’t tried
89. I………………………… a taxi if I that it was a long
way.
A) will take/ realizes B) would take/ doesn’t
realize C)
wouldn’t have taken/ had realized D) wouldn’t take/ realized
90. Unless you the examination, they……………………… a
party for you.
A) pass/ won’t celebrate B) passed/ won’t celebrate
C) pass/ will celebrate D) had passed/ would
celebrate
91. I should have voted for her if I……………………. a vote then.
A) didn’t have B) had C) had had D)
have
92. If you go to Paris, where …………………………….?
A) will you stay B) you stayed C) did you stay D)
had you stayed
93. The flight may be cancelled unless the fog………………………………
thick.
A) got B) gets C) didn’t get D)

doesn’t get
94. If you……………the instructions carefully, you wouldn’t have answered
the wrong questions.
A) read B) had read C) reads D)
to read
95. I could repair the roofs myself if I……………………. a long ladder.
A) have B) had C) has D)
had had
96. Unless they turn that radio off, I…………………. mad.
A) go B) went C) will go D)
had gone
97. We’ll have a long way to walk if we………………… out of petrol here.
A) got B) get C) didn’t get D)
don’t get
98. If you shake the bottle of port- a kind of vine, it……………………. fit to
drink.
A) were not B) is C) won’t be D)
would be
99. I’ll probably get lost or he………………………… with me.
A) goes B) went C) had gone D)
doesn’t go
100. You………………………. many accidents or you drove extremely
slowly.
A) will get B) got C) wouldn’t get D)
would get
101. If you…………………a false beard nobody would have recognized you.
102. You’ll get pneumonia ( bệnh viêm phổi) if you……………………….
your wet clothes.
A) change B) don’t change C) changed D)
hadn’t changed

103. If I had known that you couldn’t eat octopus ( con mực),
I………………….it for our meal.
A) wouldn’t buy B) won’t buy C) wouldn’t have boughtD)
would buy
104. She…………… … able to walk faster if her shoes didn’t have such
high heels.
A) could be B) couldn’t be C) were D)
had been
105. If you had touched that electric cable you……… ………… electrocuted.
A) am B) be C) were D)
had been
106. I……………………. things on the installment system if I were you.
A) wouldn’t buy B) wouldn’t have boughtC) won’t buy D)
don’t buy
107. If anyone attacked me, my dear dog………………….………. at his
throat.
A) would bite B) will bite C) bit D)
had bitten
108. The ship wouldn’t have run around unless the pilot……………such a
serious mistake.
A) make B) made C) makes D)
had made
109. I shouldn’t have taken your umbrella if I…………… that it was the only
one you had.
A) know B) had known C) knew D)
knows
110. Had I known that you were in hospital, I…………………………… you.
A) would visit B) will visit C) would have visited D)
visit
111. You would make better progress unless you………………. class

regularly.
A) attend B) attended C) don’t attend D)
didn’t attend
112. If you………… ten minutes earlier, you would have a seat in the
auditorium.
A) arrive B) arrived C) had arrived D)
arrives
113. If he…………………… hard, he the coming exam.
A) studied/ would pass B)
doesn’t study/ will surely pass
C) studies/ can pass D) hadn’t studied/ wouldn’t
have passed
114. If she asked you for help, ………………………….?
A) would you accept B) you accept C) will you accept D)
do you accept
115. Rice plants in Vietnam……………………. well if there is enough rain.
A) would grow B) grew C) will grow D)
would have grown
116. She…………………… or she may be late for the morning class.
A) hurries B) hurried C) doesn’t hurry D)
didn’t hurry
117. If I……………………… again, I think that I would have won in the
game.
A) tried B) hadn’t tried C) had tried D)
didn’t try
118. Tell him to ring me at 6:00 p.m. if you…………….………. him.
A) saw B) see C) sees D)
had seen
119. Water……………………… downhill if there gravity.
A) will run/ is not B) would run/ weren’t C) wouldn’t run/ were D)

will run/ had been
120. If you……………………. so fast, he might have understood what
happened.
A) hadn’t spoken B) speak C) spoke D)
don’t speak