CONDITIONAL SENTENCES
I. Put the verbs into the correct form:
1. If you (not/go)_____________to bed late every night, you wouldn't be tired all the time.
2. Anne got to the bus-stop in time. If she (miss) ___________________ the bus, she would have
been late for school.
3. If I (have) ___________________ a lot of money, I will travel around the world.
4. I (not/buy) ___________________ that coat if I were you.
5. If the weather is nice tomorrow, she (go) ___________________ on a picnic.
6. If I were her, I (not/marry) ___________________ him.
7. I'd have sent you a letter if I (have) ___________________ your address.
8. We would buy that house if it (not/be) ___________________ so small.
9. It is good that you reminded me about Anne's birthday. I (forget) ___________________ if you
(not/remind) ___________________ me.
10. If you (not/have)_________ that last drink, you (not/have)_____________the accident.
11. Pamela (borrow)___________________ one of my dresses for the party tomorrow if she
(lose)___________________ about 5 kilos between now and then.
12. The birds (be) ______ scared and (fly) ________ away if the birdwatchers (make) ______
loud noises.
13. I (take) ______ the laptop back to the shop if you (not know) ______ how to fix it.
14. If I (need) _______ money to buy a dictionary, you (lend) ________ me some?
15. If you (throw) ______ plastic bags into the sea, the fish (eat) _____ them and (die) ______.
16. You (cause) ___ a forest fire if you (make) ___ a campfire and then (leave) ____ it
unattended.
17. If you (not pass) ____________ the exam, would you take it again?
II. Rewrite the conditional sentences for the following situations.
1. Phong doesn't have enough money so he can't travel abroad.
…………………………………………………………………
2. I don't drive too close to the animals on safari. They don't get scared.
…………………………………………………………………
3. Tom doesn't have a passport. He can't travel abroad.
…………………………………………………………………

4. I didn't buy it because I didn't have enough money.
…………………………………………………………………
5. Tourists throw litter in the river. The water is polluted.
…………………………………………………………………
6. I can't swim, so I'm not going scuba - diving with you.
…………………………………………………………………
7. There was a test yesterday. I didn't know that, so I didn't study for it.
…………………………………………………………………
8. These students do not work hard. They can't pass the exam.
…………………………………………………………………
III. Choose the best answer.
1. If we took the 6:30 train, we………. too early.
A. would have arrived
B. will arrive
C. arrived
D. would arrive
2.You______ if you take a map.
A. will get lost
B. would get lost
C. won't get lost
D. would have got lost
3. If I……….you, I would have said hello.
1


A. had seen
B. saw
C. see
D. would see
4. I would be very surprised if she………. .

A. refuses
B. refused
C. had refused
D. would refused
5. "If Hien had gotten the raise, she would have bought a car." is closest in meaning to…
A. Hien bought the car.
B. Hien didn't get the raise, but she bought a car.
D. Hien got the raise.
C. Hien didn't get the raise, so she didn't buy a car.
6. If he………. time tomorrow, we will meet the day after.
A didn’t have
B. won’t have
C. wouldn’t have
D. doesn’t have
7. If you inherited a million pounds, what………. with the money?
A. do you do
B. will you do
C. would you do
D. are you going to do
8. If you pass your examination we _____________ a celebration.
A. have
B. will have
C. would have had
D. would have
9. If I had time, I _____ to the beach with you this weekend.
A. will go
B. will have gone
C. would go
D. would have gone
10. If she_________ late again, she'll lose her job.

A. came
B. comes
C. had come
D. come
11. If you had told me earlier, I _____________ it to you.
A. would give
B. will give
C. would have given
D. gave
12. If he had not spent his youth not learning anything, he ____ himself for his lack of knowledge
now.
A. will not blame
B. would not blame
C. would not have blamed
D. would blame
13. If he ____ this homework to do, he would have gone out with his friends.
A. had not
B. didn't have
C. had had
D. hadn't had
14. If I hadn't stayed up so late last night, I ____ so tired this morning.
A. don't feel

B. felt

C. didn't feel

D. wouldn't have felt

15. If I had a computer, I ____ the assignment last night.

A. finished
B. have finished
C. would have finished D. had finished
16. If you ____ harder, you'd have passed the exam.
A. had studied
B. have studied
C. studied
D. study
17. If you had lots of money, what ____?
A. do you do
B. will you do
C. would you do
D. have you done
18. I'd ____ out with you if I wasn't so tired.
A. go
B. went
C. had gone
D. will go
19. I'm sure your parents would have been happier if you ____ harder before that important exam.
A. work
B. worked
C. have worked
D. had worked
20. Tom ____ so careless if he'd known what would happen.
A. would have been
B. wouldn't have been C. would be
D. wouldn't be
21. If she ____ on time, I would have been surprised.
A. arrived
B. have arrived

C. had arrived
D. would arrive
22. We wouldn't ____ the bus if we'd left home earlier.
A. have missed
B. had missed
C. will miss
D. would miss
23. I wouldn't go there at night if I ____ you
A. am
B. was
C. were
D. had been
24. If I ____ get a rode, I'll go fishing.
A. can
B. could
C. may
D. might
25. If they had enough time, they ____ head south.
2


A. will
B. can
C. must
D. might
26. If John had studied more, he ____ better marks.
A. gets
B. will get
C. would get
D. would have got

27. If he had tried harder, he might ____.
A. succeed
B. have succeeded
C. be success
D. will succeed
28. If you had saved some money, you ____ so hard up now.
A. aren't
B. won't
C. wouldn't be
D. wouldn't have been
29. Why didn't you tell me? If you ____ me, I would have helped.
A. tell
B. told
C. have told
D. had told
30. I have a test to take tomorrow morning. If I ____ free time, I ____ to Cuc Phuong National
Park with you.
A. had - would go
B. will have - will go
C. have - will go D. had - went
31. If he ____ the money, he wouldn't be in prison now.
A. hadn't stolen B. didn't steal
C. had stolen
D. stole
32. If Tim ____ so fast, his car wouldn't have crashed into a tree.
A. didn't drive
B. hadn't driven
C. haven't driven
D. drives
33. What a bad luck! If Nam ____ over, he would have won the race.

A. doesn't fall
B. didn't fall
C. hasn't fallen
D. hadn't fallen
34. If you ____ me last week, I would have been able to come.
A. invited
B. had invited
C. would invite
D. would have invited
35. According to the weather forecast, it will be fine at the weekend. If the weather ____ fine, we
____ on camping at the weekend.
A. were - would go
B. was – went
C. is - will go
D. will be - go
36. I'm sure your letter hasn't arrived yet. If it had come, I'm sure I ____ it.
A. will notice
B. noticed
C. would have noticed
D. would notice
37. Why didn't you phone? If I had known you were coming, I ____ you at the airport.
A. would have met
B. would meet
C. met
D. had met
38. It's a pity you missed the party. If you ____, you would have met my teacher from Australia.
A. came
B. have come
C. come
D. had come

39. I wouldn't have resat the exam if I ____ harder.
A. study
B. studied
C. had studied
D. would have studied
40. If Jane ____, I wouldn't have been able to move the table.
A. didn't help
B. hadn't helped
C. hasn't helped D. wouldn't help
41. Unless you ____ me about Sue's hair, I wouldn't have noticed.
A. had told
B. hadn't told
C. told
D. didn't tell
42. ____ she agreed, you would have done it.
A. If
B. Had
C. Should
D. Would
43. If you ____ to be chosen for the job, you'll have to be experienced in the field.
A. want
B. wanted
C. had wanted
D. wants
44. If the doctor had arrived sooner, the boy ____ saved.
A. might be
B. have been
C. was
D. might have been
45. If he ____ a thorough knowledge of English, he could have applied for this post.

A. had had
B. had
C. has
D. has had
46. The show Captain Bob's Adventure Children is available now. If children of all ages ____ it,
they ____ part in an airboat ride and an interactive reptile show.
A. enjoyed - would take
B. enjoyed – took C. enjoy - will take
D. enjoys – take
3


47. If you ____ to Pak Ou Caves in Laos, you ____ thousands of Buddha images and statues
which have been deposited here over centuries.
A. went - saw
B. would go-saw C. go - see
D. go - will see
48. Local people can't see the benefits of ecotourism in their region. If ecotourism ____ their lives
by creating new job opportunities, they ____ a more active role in the conservation.
A. improved - would play B. improved - played C. improves - will play D. improves - play
49. If visitors ____ their holiday in Hawaii, they ____ in typical ecotourism activities, such as
whale watching, kayaking, surfing, snorkelling, scuba diving, and boating.
A. spent - would participate
B. would spend - would participate
C. spend - participate
D. spend - will participate
50. "It's really raining." - "Yes. If the weather ____, we'll have to camp somewhere else.”
A. would get worse
B. might get worse
C. get worse

D. should get worse
51. If anyone ____, ____ him I ____ back at 9 o'clock.
A. calls / tell / will be
B. called / telling / would be
C. is calling / tells / am
D. will call / to tell / am
52. If you ____ all of my questions, I ____ anything to help you.
A. don't answer / can't do
B. didn't answer/ won't do
C. wouldn't answer / can't do
D. wouldn't answer/ couldn't do
53. "Here's my phone number." - "Thanks, I ____ you a call if I ____ some help."
A. will give / will need
B. would give / needed
C. give / need
D. will give / need
54. The teacher was absent today, so class was canceled. If she ____ absent again tomorrow, the
class ____ tomorrow, too.
A. is / will cancel
B. is / will be canceled
C. was / would be canceled
D. was / would cancel
IV. Mark the letter A, B, C or D to indicate the underlined part that needs correction in each
of the following questions.
1. If I hadn't miss the bus, I would have come at least 20 minutes earlier.
A
B
C
D
2. If you had phoned me before I left home, I would brought you the textbook.

A
B
C
D
3. If we had register earlier, we would have been selected for the job offers.
A
B
C
D
4. If you hadn't made that mistake, you will have passed your test.
A
B
C
D
5. If I had my mobile yesterday, I could have contacted and informed you about the last-minute
A
B
C
cancellation of the seminar.
D
6. If you had studied hard, you wouldn't failed the exam.
A
B
C
D
7. If I hadn't been too late for the exam, I might be allowed to enter the examination room.
A
B
C
D

8. I would have enroll on an online course if I had had enough money.
A
B
C
D
9. We might have gone to the Science Fair if we knew about it happened.
A
B
C
D
4


10. If we had drop school so early, we wouldn't have had enough knowledge of the school
subjects.
A
B
C
D
11. If you had come to class last week, you might have join in the discussion on air pollution.
A
B
C
D
12. If I had listened to my parents, I wouldn't have been in so much trouble now.
A
B
C
D
13. I don't know your phone number. If I had known it, I would have called you last night.

A
B
C
D
14. If I have studied English earlier, I could have read this book several years ago.
A
B
C
D
15. If a meteor hadn't struck the Earth, the dinosaurs didn't become extinct.
A
B
C
D
16. If they had win the lottery last summer, they would have bought a new car.
A
B
C
D
17. If someone came into the store, smile and say, “May I help you?"
A
B
C
D
18. If you try these cosmetics, you look five years younger.
A
B
C
D
19. If you do not understand what was written in the book, you could ask Mr. Pike.

A
B
C
D
20. I will come to meet Mr. Pike and tell him about your problems if you didn't solve them
A
B
C
D
yourself.
21. Sam will not graduate unless he doesn't pass all the tests.
A
B
C
D
22. If there isn't enough food, we couldn't continue our journey.
A
B
C
D
23. Unless you pour oil on water, it will float.
A
B
C
D
8. You have to take a taxi home if you want to leave now.
A
B
C
D

9. If anyone will phone, tell them I'll be back at 11:00.
A
B
C
D
10. We can hire a minibus if there will be enough people.
A
B
C
D

5


KEY
CONDITIONAL SENTENCES
I. Put the verbs into the correct form:
1. If you (not/go)___didn’t go_______to bed late every night, you wouldn't be tired all the time.
2. Anne got to the bus-stop in time. If she (miss) __had missed_________________ the bus, she
would have been late for school.
3. If I (have) _____have______________ a lot of money, I will travel around the world.
4. I (not/buy) ___wouldn’t buy________________ that coat if I were you.
5. If the weather is nice tomorrow, she (go) ___will go________________ on a picnic.
6. If I were her, I (not/marry) ____wouldn’t marry_______________ him.
7. I'd have sent you a letter if I (have) ____had had_______________ your address.
8. We would buy that house if it (not/be) ____weren’t _______________ so small.
9. It is good that you reminded me about Anne's birthday. I (forget) _would have forgot______if
you (not/remind) __hadn’t reminded_________________ me.
10. If you (not/have)__hadn’t had_______ that last drink, you (not/have)__wouldn’t have
had__the accident.

11. Pamela (borrow)___would borrow________________ one of my dresses for the party
tomorrow if she (lose)______lost_____________ about 5 kilos between now and then.
12. The birds (be) ___will be___ scared and (fly) ____fly____ away if the birdwatchers (make)
___make___ loud noises.
13. I (take) ___will take___ the laptop back to the shop if you (not know) ___don’know___ how
to fix it.
14. If I (need) ___need____ money to buy a dictionary, you (lend) ____will you lend____ me
some?
15. If you (throw) ____throw__ plastic bags into the sea, the fish (eat) ___may eat__ them and
(die) ___die___.
16. You (cause) __will cause__ a forest fire if you (make) __make__ a campfire and then (leave)
__leave__ it unattended.
17. If you (not pass) _____didn’t pass_______ the exam, would you take it again?
II. Rewrite the conditional sentences for the following situations.
1. Phong doesn't have enough money so he can't travel abroad.
If Phong had enough money, he could travel abroad.
2. I don't drive too close to the animals on safari. They don't get scared.
If I drove too close to the animals on safari, they would get scared.
3. Tom doesn't have a passport. He can't travel abroad.
If Tom had a passport, he would travel abroad.
4. I didn't buy it because I didn't have enough money.
→ I would have bought it if I had had enough money.
5. Tourists throw litter in the river. The water is polluted.
If tourists didn’t throw litter in the river, the water would not be polluted.
6. I can't swim, so I'm not going scuba - diving with you.
If I could swim, I would go scuba - diving with you.
7. There was a test yesterday. I didn't know that, so I didn't study for it.
→ If I had known there was a test yesterday, I would have studied for it.
8. These students do not work hard. They can't pass the exam.
If these students work hard, they would pass the exam.

6


III. Choose the best answer.
1. If we took the 6:30 train, we………. too early.
A. would have arrived
B. will arrive
C. arrived
D. would arrive
2.You______ if you take a map.
A. will get lost
B. would get lost
C. won't get lost
D. would have got lost
3. If I……….you, I would have said hello.
A. had seen
B. saw
C. see
D. would see
4. I would be very surprised if she………. .
A. refuses
B. refused
C. had refused
D. would refused
5. "If Hien had gotten the raise, she would have bought a car." is closest in meaning to…
A. Hien bought the car.
B. Hien didn't get the raise, but she bought a car.
D. Hien got the raise.
C. Hien didn't get the raise, so she didn't buy a car.
6. If he………. time tomorrow, we will meet the day after.

A didn’t have
B. won’t have
C. wouldn’t have
D. doesn’t have
7. If you inherited a million pounds, what………. with the money?
A. do you do
B. will you do
C. would you do
D. are you going to do
8. If you pass your examination, we _____________ a celebration.
A. have
B. will have
C. would have had
D. would have
9. If I had time, I _____ to the beach with you this weekend.
A. will go
B. will have gone
C. would go
D. would have gone
10. If she_________ late again, she'll lose her job.
A. came
B. comes
C. had come
D. come
11. If you had told me earlier, I _____________ it to you.
A. would give
B. will give
C. would have given
D. gave
12. If he had not spent his youth not learning anything, he ____ himself for his lack of knowledge

now.
A. will not blame
B. would not blame
C. would not have blamed
D. would blame
13. If he ____ this homework to do, he would have gone out with his friends.
A. had not
B. didn't have
C. had had
D. hadn't had
14. If I hadn't stayed up so late last night, I ____ so tired this morning.
A. don't feel
B. felt
C. didn't feel
D. wouldn't have felt
15. If I had a computer, I ____ the assignment last night.
A. finished
B. have finished
C. would have finished D. had finished
16. If you ____ harder, you'd have passed the exam.
A. had studied
B. have studied
C. studied
D. study
17. If you had lots of money, what ____?
A. do you do
B. will you do
C. would you do
D. have you done
18. I'd ____ out with you if I wasn't so tired.

A. go
B. went
C. had gone
D. will go
19. I'm sure your parents would have been happier if you ____ harder before that important exam.
A. work
B. worked
C. have worked
D. had worked
20. Tom ____ so careless if he'd known what would happen.
A. would have been
B. wouldn't have been C. would be
D. wouldn't be
21. If she ____ on time, I would have been surprised.
A. arrived
B. have arrived
C. had arrived
D. would arrive
22. We wouldn't ____ the bus if we'd left home earlier.
A. have missed
B. had missed
C. will miss
D. would miss
7


23. I wouldn't go there at night if I ____ you
A. am
B. was
C. were

D. had been
24. If I ____ get a rode, I'll go fishing.
A. can
B. could
C. may
D. might
25. If they had enough time, they ____ head south.
A. will
B. can
C. must
D. might
26. If John had studied more, he ____ better marks.
A. gets
B. will get
C. would get
D. would have got
27. If he had tried harder, he might ____.
A. succeed
B. have succeeded
C. be success
D. will succeed
28. If you had saved some money, you ____ so hard up now.
A. aren't
B. won't
C. wouldn't be
D. wouldn't have been
29. Why didn't you tell me? If you ____ me, I would have helped.
A. tell
B. told
C. have told

D. had told
30. I have a test to take tomorrow morning. If I ____ free time, I ____ to Cuc Phuong National
Park with you.
A. had - would go
B. will have - will go
C. have - will go D. had - went
31. If he ____ the money, he wouldn't be in prison now.
A. hadn't stolen B. didn't steal
C. had stolen
D. stole
32. If Tim ____ so fast, his car wouldn't have crashed into a tree.
A. didn't drive
B. hadn't driven
C. haven't driven
D. drives
33. What a bad luck! If Nam ____ over, he would have won the race.
A. doesn't fall
B. didn't fall
C. hasn't fallen
D. hadn't fallen
34. If you ____ me last week, I would have been able to come.
A. invited
B. had invited
C. would invite
D. would have invited
35. According to the weather forecast, it will be fine at the weekend. If the weather ____ fine, we
____ on camping at the weekend.
A. were - would go
B. was – went
C. is - will go

D. will be - go
36. I'm sure your letter hasn't arrived yet. If it had come, I'm sure I ____ it.
A. will notice
B. noticed
C. would have noticed
D. would notice
37. Why didn't you phone? If I had known you were coming, I ____ you at the airport.
A. would have met
B. would meet
C. met
D. had met
38. It's a pity you missed the party. If you ____, you would have met my teacher from Australia.
A. came
B. have come
C. come
D. had come
39. I wouldn't have resat the exam if I ____ harder.
A. study
B. studied
C. had studied
D. would have studied
40. If Jane ____, I wouldn't have been able to move the table.
A. didn't help
B. hadn't helped
C. hasn't helped D. wouldn't help
41. Unless you ____ me about Sue's hair, I wouldn't have noticed.
A. had told
B. hadn't told
C. told
D. didn't tell

42. ____ she agreed, you would have done it.
A. If
B. Had
C. Should
D. Would
43. If you ____ to be chosen for the job, you'll have to be experienced in the field.
A. want
B. wanted
C. had wanted
D. wants
44. If the doctor had arrived sooner, the boy ____ saved.
A. might be
B. have been
C. was
D. might have been
45. If he ____ a thorough knowledge of English, he could have applied for this post.
8


A. had had
B. had
C. has
D. has had
46. The show Captain Bob's Adventure Children is available now. If children of all ages ____ it,
they ____ part in an airboat ride and an interactive reptile show.
A. enjoyed - would take
B. enjoyed – took C. enjoy - will take
D. enjoys – take
47. If you ____ to Pak Ou Caves in Laos, you ____ thousands of Buddha images and statues
which have been deposited here over centuries.

A. went - saw
B. would go-saw C. go - see
D. go - will see
48. Local people can't see the benefits of ecotourism in their region. If ecotourism ____ their lives
by creating new job opportunities, they ____ a more active role in the conservation.
A. improved - would play B. improved - played C. improves - will play
D. improves
- play
49. If visitors ____ their holiday in Hawaii, they ____ in typical ecotourism activities, such as
whale watching, kayaking, surfing, snorkelling, scuba diving, and boating.
A. spent - would participate
B. would spend - would participate
C. spend - participate
D. spend - will participate
50. "It's really raining." - "Yes. If the weather ____, we'll have to camp somewhere else.”
A. would get worse
B. might get worse
C. get worse
D. should get worse
51. If anyone ____, ____ him I ____ back at 9 o'clock.
A. calls / tell / will be
B. called / telling / would be
C. is calling / tells / am
D. will call / to tell / am
52. If you ____ all of my questions, I ____ anything to help you.
A. don't answer / can't do
B. didn't answer/ won't do
C. wouldn't answer / can't do
D. wouldn't answer/ couldn't do
53. "Here's my phone number." - "Thanks, I ____ you a call if I ____ some help."

A. will give / will need
B. would give / needed
C. give / need
D. will give / need
54. The teacher was absent today, so class was canceled. If she ____ absent again tomorrow, the
class ____ tomorrow, too.
A. is / will cancel
B. is / will be canceled
C. was / would be canceled
D. was / would cancel
IV. Mark the letter A, B, C or D to indicate the underlined part that needs correction in each
of the following questions.
1. If I hadn't miss the bus, I would have come at least 20 minutes earlier.
A
B
C
D
2. If you had phoned me before I left home, I would brought you the textbook.
A
B
C
D
3. If we had register earlier, we would have been selected for the job offers.
A
B
C
D
4. If you hadn't made that mistake, you will have passed your test.
A
B

C
D
5. If I had my mobile yesterday, I could have contacted and informed you about the last-minute
A
B
C
cancellation of the seminar.
D
6. If you had studied hard, you wouldn't failed the exam.
A
B
C
D
7. If I hadn't been too late for the exam, I might be allowed to enter the examination room.
9


A

B

C

D

8. I would have enroll on an online course if I had had enough money.
A
B
C
D

9. We might have gone to the Science Fair if we knew about it happened.
A
B
C
D
10. If we had drop school so early, we wouldn't have had enough knowledge of the school
subjects.
A
B
C
D
11. If you had come to class last week, you might have join in the discussion on air pollution.
A
B
C
D
12. If I had listened to my parents, I wouldn't have been in so much trouble now.
A
B
C
D
13. I don't know your phone number. If I had known it, I would have called you last night.
A
B
C
D
14. If I have studied English earlier, I could have read this book several years ago.
A
B
C

D
15. If a meteor hadn't struck the Earth, the dinosaurs didn't become extinct.
A
B
C
D
16. If they had win the lottery last summer, they would have bought a new car.
A
B
C
D
17. If someone came into the store, smile and say, “May I help you?" → comes
A
B
C
D
18. If you try these cosmetics, you look five years younger. → will look
A
B
C
D
19. If you do not understand what was written in the book, you could ask Mr. Pike. → can ask
A
B
C
D
20. I will come to meet Mr. Pike and tell him about your problems if you didn't solve them
A
B
C

D
yourself. → don’t solve
21. Sam will not graduate unless he doesn't pass all the tests. → if
A
B
C
D
22. If there isn't enough food, we couldn't continue our journey. → can’t continue
A
B
C
D
23. Unless you pour oil on water, it will float. → If
A
B
C
D
8. You have to take a taxi home if you want to leave now. → will have to
A
B
C
D
9. If anyone will phone, tell them I'll be back at 11:00. → phones
A
B
C
D
10. We can hire a minibus if there will be enough people. → there are
A
B

C
D

10