Created by Trần Hồ Quốc Khánh
CONDITIONAL SENTENCES (CÂU ĐIỀU KIỆN)
Usage If clause Main clause Examples
Type 0
Là câu điều kiện hiện
tại luôn có thật, dùng
để diễn đạt những sự
thật luôn luôn xảy ra
với một điều kiện
nhất
định.
Present simple Present simple
1: If I work late, I get tired.
2: She can’t go to school late
if she catches the bus early.
Type 1
Diễn tả 1 hành động
có thật và sẽ xảy ra ở
tương lai hoặc hiện
tại
Present simple Simple Future
1: If I have enough money, I
will buy a new car.
Type 2
Điều kiện không thể
xảy ra ở hiện tại hoặc
tương lai - ước muốn
ở hiện tại. (Nhưng
thực tế khổng thể xảy
ra được).
Past simple Would+V

2
Diễn tả 1 sự việc trái
với thực tế đã xảy ra
ở quá khứ và dẫn đến
1 kết quả ở hiện tại.
Past perfect Would+V
IFN
1: If I hadn't been in a hurry
this morning, I wouldn't so
hungry now.
Type 1
(đảo ngữ)
Sử dụng “ should”
thay hiện tại không
xác định chỉ khả
năng xảy ra ít hơn ở
tương lai. Đảo
“should” lên đầu câu
thay “If”
Should+S+V Clause
1: Should it rain tonight, I
will stay at home
Type 2
(đảo ngữ)
Dùng “were” đảo lên
đầu câu thay”if” Were+S+ Clause
1: Were I you, I would love
him.
Type 3
(đảo ngữ)

Type 3
(đặc biệt)
Sử dụng “were to
have done” thay quá
khứ hoàn thành
If+S+were to+have
done
Would have+Vp
II
1: If she had driven carefully,
she wouldn’t have cause the
accident.
If she were to have driven
I: Use the correct form of the verbs:
1. If the train (be) ……………………… late, we will walk
2. She will call if she (have) ………………… time.
3. If it cost too much, I (buy) ……………. A smaller one.
4. If the class (be) ………………… full, we will find another one.
5. What will we do if the taxi (not come) ………………… ?
6. Will you phone me if there (be) ………………… any problem?
7. I (ask)…………………… Peter if I see himm tomorrow.
8. I will go next week if I (get) ……………… a train ticket.
9. It I have enough apples, I (bake) ………………. an apple pie this afternoon.
10. I will fix your bicycle if I (have) …………… a screwdriver of the proper size.
11. If you drove more carefully, you (not, have) ……………………… so many accidents.
12. If he (get) ……………………… up earlier, he would get to work on time.
13. If we (have) ………… more time, I would tell you more about it.
14. If you (sell) …………. More products, you would earn more money.
15. I could help you if you (trust) …………… me more.
16. Where would you like to live if you (not live) …………………………… in Paris?

47. If you (be) ……………. Lazy, you will fail the exam.
48. If you don’t have breakfast, you (get) ……………… hungry.
49. I (buy) …………………… shares in that company if I had some money.
50. If he (clean) ………………. His windscreen he’d have been able to see where he was going.
51. If you drove your car into the river, (you, be) ………………… able to get out?
52. If you (not belong) …………………. To a union you couldn’t get a job.
53. If I (win) ……………… a big prize in a lottery I’d give up my job.
54. What you (do) ……………… if you found a burglar in your house?
55. If I (be) ……………… you, I (apply) …………… for that job.
56. If we (forgive) ………………. You if you (tell) ………………… my mother that secret last week.
57. If we (live) …………………. In the seaside, we (go) ………………. Swimming everyday.
58. If they (arrive) ………………………. at the airport earlier, they (not miss) …………… the plane.
59. If tonight (be) ……………… Saturday night, I (go out) ………………………with my friends.
60. We (go) …………… on a picnic if it (not snow) ……………………… heavily last Sunday .
61. If the police (be) ……………. Present here now, those boys (stop) ………………… fughting.
62. The score of yesterday’s match (not be) ………………… so bad if Tony (not be) ……………… sent out
of the field.
63. He (live) ……………… a happier life if he (have) ……………. Some parental love. He is unlucky.
64. I (buy) …………………the coat if I (be) ……………… you.
65. If our teacher (be) ……………… here now , he (tell) ……………… us how to solve that problem.
66. They (get) …………… better marks if they (study) …………… harder every day.
67. He (meet) ……………… his old friend if he (go) ………………. To London yesterday.
68. If we (know) ……………… who he was, we (invite) …………… him to speak at our meeting.
69. If the weather (be) ……………… nice today, we (go) ………………… to the zoo.
70. Why didn’t you attend the meeting?
Oh I did not know indeed. If I (knoe) ………… I (come) …………… there.
71. If last night I (not, see) ______________ you in the street, I would have missed you so much.
72. If tomorrow (be) ___________ Sunday, I won’t get up early.
73. If you (be, not) _________ me, you wouldn’t understand me.
74. Tom (not, open) _________________ the windows if the wind becomes stronger.

104. If you don’t go, you (die) _______________.
105. If she (sleep) ______________, she will feel better.
106. The boss couldn’t fire you if you (try) ____________ your best.
107. A monkey (bite) ___________ you if you attack it.
108. If Susan (go) ______________ to the party, she could join a dancing club.
109. If they (be, not) _____________ at school, they can’t be punished.
110. If a man (point) ______________ a gun with me, I would be frightened.
II: Rewrite the following sentences:
1. Study harder and you will succeed
2. Keep silent and we’ll understand.
3. Do exercise regulaly and you’ll be fit.
4. Go out or I’ll call the police.
5. Stay away from me or I’ll shout.
6. Hold together and we’ll be safe and sound.
7. Practice frequently and you’ll become an expert.
8. Tell lies again and you’ll be punished.
9. Stop talking or I’ll send you out of the classroom.
10. Be polite or you’ll be sacked.
11. Do your homework or you’ll get a zero.
12. Help the poor and you’ll feel happier.
13. Buy her a bunch of flowers and she’ll forgive you.
14. Tell me the truth and I can help you.
15. Learn the rules by heart and you’ll be able to do the exercise.
16. You carry this suitcase and I’ll carry that one.
17. She doesn’t hungry. She may be late.
18. She will visit me next week. We’ll have a talk then.
19. I think it will rain tomorrow. We’ll have to stay indoors.
20. You do the washing up. I’ll do the cleaning
21. If you don’t tell me the truth, I cannot help you.
22. Unless she tells me the truth, I won’t forgive her.

53. She loves him so she forgives him easily.
54. He was angry so I didn’t say anything\
55. She sings well, so everyone admires her.
56. We love music because music makes us funny.
57. I am not hungry because I have breakfast in the morning.
58. You don’t go to school, so the teacher phones your parents.
59. They aren’t sick, so they go camping.
60. She doesn’t go to the party because she isn’t proud of herself.
61. Mai is at home because her mom is absent.
62. Your father works hard because he loves his kids so much.
63. The man crosses the street, so he meets an accident.
64. She doesn’t phone you because you aren’t at home.
65. We don’t have lunch because we are full.
66. I live far from home, so I have to rent a room in the dormitory.
67. His family has a delicious dinner because Tom passes the exam.
68. Lam doesn’t sleep well, so he feels asleep.
69. They don’t get off the bus because they want to travel around the city.
70. Hoa goes out because she doesn’t want to meet you.
71. We learn English well, so we can talk to the tourists.
72. He can’t run because his leg is broken.
73. I can’t sing because I have a cough.
74. She can go home early, so she can enjoy the fresh air.
75. Mary is sick. And She can’t go home.
76. Tom was out. You couldn’t see him.
77. We don’t know you, so we go away.
78. He threw waste, so he got a fine.
79. She doesn’t finish the test because she is absent.
80. They weren’t on the bus because they had carsick.
81. Because I am tired, I can’t go on the trip.
82. My father doesn’t tell the truth, so noone loves him.

a. won’t have b. wouldn’t have c. wouldn’t have had d. has
8. Tom wouldn’t be late this morning if he _____________ the bus in time.
a. catches b. catch c. had caught d. caught
9. If the old man hadn’t crossed the street yesterday evening, he __________ .
a. won’t die b. died c. wouldn’t have died d. wouldn’t died
10. They _________ a trip to some beaches if the summer comes.
a. will have b. would have c. would have had d. have
11. If some boys ___________ soccer in front of the gate at once, the guard would tell them to go away.
a. play b. played C. had played d. plays
12. She ___________ married with her husband if she hadn’t known him ten years ago.
a. wouldn’t get b. won’t get c. wouldn’t have got d. got
13. If the man __________ you to give the answer, you wouldn’t get headache.
a. don’t give b. doesn’t give c. hadn’t given d. didn’t give
14. Mary can swim well if she ___________ a cold.
a. don’t get b. doesn’t get c. didn’t get d. hadn’t got
15. If last night you __________ rid of your bad habits, you could have become a wander.
a. don’t get b. doesn’t get c. didn’t get d. hadn’t got
16. That girl _____________ in love if she is calm and patient.
a. doesn’t fall b. don’t fall c. didn’t fall d. won’t fall
17. If he was at home, he ____________ you now.
a. will meet b. would meet c. would have met d. met
18. The baby _____________ the toys if she hadn’t been sick yesterday afternoon.
a. would have found b. would find c. will find d. had found
19. If his name __________ Martin, I wouldn’t like him.
a. wasn’t b. weren’t c. isn’t d. hadn’t been
20. The young boy can get a scholarship if he __________ a good student this term.
a. were b. is c. had been d. was
21. If our class ___________ for a party last weekend, we wouldn’t have had food poisoning.
a. asked b. asks c. has asked d. had asked
22. This car wouldn’t be broken if you ___________ too fast.

a. have b. has c. will have d. would have
Creat by Tran Ho Quoc Khanh ls