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THE CONDITIONAL SENTENCES
A. CHOOSE THE BEST ANSWER A, B, C OR D
1. If I ………….….a lot of money now, I …………..a new car.
A. have/ will buy B. have/ would buy C. had/ will buy D. had/ would buy.
2. If I ……………you, I …………………….do that.
A. am/ will B. were/ would C. were/ will D. had been/ would.
3. If I were offered the job, I think I ………………………….…. it.
A. take B. will take C. would take D. would have taken.
4. I would be very surprised if he…………………….…………..
A. refuses B. refused C. had refused D. would refuse.
5. Many people would be out of work if that factory………..down.
A. closes B. had closed C. closed D. would close.
6. If she sold her car, she ……………………..… much money.
A. gets B. would get C. will get D. would have got.
7. They would be disappointed if we………………………………….
A. hadn’t come B. wouldn’t come C. don’t come D. didn’t come.
8. Would John be angry if I ……………..…. ……his bicycle without asking?
A. take B. took C. had taken D. would take.
9. She ………………….….terribly upset if I lost this ring.
A. will be B. would be C. were D. had been.
10. If someone…………in here with a gun, I would be very frightened.
A. would walk B. walks C. had walked D. walked.
11. What would happen if you ……………..to work tomorrow?
A. don’t go B. didn’t go C. won’t go D. wouldn’t go.
12. We ‘ll get wet if we ……………………………….out.
A. go B. did go C. went D. had gone.
13. If I go shopping, I …………………….…some food.
A. Buy B. will buy C. would buy D. would have bought.
14. If I find it, I ……………………..………you.
A. will tell B. would tell C. had told D. told.
15. What would you do if you……………a million dollars?
A. would win B. win C. had won D. won.
1 if he will páy me tonight, i wil..........
2 if i ................................................
3 unless they invite me, i won't come
4 bỏ dấu phảy, đổi hai vế cho nhau
1. He will pay me tonight; I will have enough money to buy a car.
> If .....he pays me tonight, I will have enough money to buy a car.........................
2. I will get a work permit. I will stay for another month.
> If ........I get a work permit. I will stay for another month...................
3. I only come if they invite me.
> Unless ....they invite me, I won't come.....................
4. If I arrive at the office earlier than I do, please turn on the air-conditioner.
> Should I arrive at the office earlier than I do, please turn on the air-conditioner...............................
5. He died so young; otherwise, he would be a famous musician by now.
> Had ..he not died so young, he would be a famous musician by now..........................
6. The car breaks down so often because you don't take good care of it.
> Were I to take good care of the car, it wouldn't break down so often ................................
7. She got married at such an early age; otherwise, she would be at university now.
> Had .she not got married at such an early age, she would be at university now. ...............................
Eo ôi dài ghê
1, would have visited
2, would have won
3, had arrived
4, had been
5, would have been
6, hadn't seen
7, would have fallen
8, would you have accepted
9, had had
10, had known
11, would have offer
12, wouldn't have stung
13, had realized
14, would have stopped
15, would have reached
16, wouldn't have lent
17, had sneezed
18, had put
19, couldn't have got
20, wouldn't have tried
21, had spoken
22, wouldn't have been
23, had known
24, had tried
25, wouldn't have got
26, wouldn't have put
27, had been
28, would have come
29, wouldn't have turned
30, had looked
31, would have captured
32, had tried
33, would have taken
34, would have saved
35, hadn't called
II. Chọn đáp án đúng (A, B, C hoặc D).
1. If I ________ a lot of money now, I ________ a new car.
A. have /will buy B. have / would buy C. had/ will buy D. had/ would buy.
2. If I ________ you, I ________ do that.
A. am/ will B. were /would C. were/ will D. have been/ would.
3. If she sells her car, she ________ much money.
A. gets B. would get C. will get D. have got.
4. If she sold her car, she ________ much money.
A. gets B. would get C. will get D. have got.
5. They wish that they ________ in Hue now A. stay B. stayed C. are staying D. would stay
6. They wish that they _____ in Hue next year. A. stay B. stayed C. are staying D. would stay
7. She’ll get wet if we ________ out. A. goes B. go C. went D. had gone.
8. If I find it, I ________ you. A. will tell B. would tell C. have told D. told.
9. If the wall weren't so high, he ________it up to take his ball down.
A. climbed B. could climb C. is climbing D. climb
10. If you press that button what ________?
A. would happen B. have happened C. will happen D. happen
11. If I ________in London now, I could visit British Museum.
A. were B. have been C. am D. would be
12. If you ________Mary by chance, please give her my phone number
A. met B. should meet C. could meet D. will meet
13. What would you do if you ________ a million dollars?
A. would win B. win C. have won D. won.
14. If I had enough money, I ________abroad to improve my English.
A. will go B. should go C. would go D. have gone
15. If Tom ________ up early, He will be late for the class
A. doesn’t get B. won’t get C. isn’t getting D. can’t get
III. Chọn đáp án đúng (A, B, C hoặc D).
1. My father ______________ for this car-making factory since 1995.
A. worked B. was working C. has worked D. have worked
2. I don’t have a computer. I wish I _______ one. A. have B. have had C. had D. will have
3. The Robinson _____ in Ha Noi in 2000. A. arrived B. arrive C. has arrived D. will arrive
4. Your father ______ in a bank, doesn’t he? A. is working B. works C. has worked D. worked
5. Tom said that he ______ in Manchester City then. A. has lived B. is living C. was living D. lived
6. Nick _____ sick yesterday, so he didn’t go to school. A. is B. was C. has been D. will be
8. If I ______ enough money, I’ll buy a dictionary. A. have B. had C. will have D. would have
10. If I ___ her number, I would phone her. A. know B. had known C. would know D. knew
12. Don’t be noisy! I ______________ my homework
A. am doing B. was doing C. do D. did
13. This old man is often busy with ______________ waste paper after school.
A. collecting B. collected C. collects D. to collect
14. The city of London ____________ by the fire in the 16th century.
A. is destroyed B. was destroyed C. destroyed D. has been destroyed
15. When I came to see Mr. Brown last night, he ____________a newspaper in his own room.
A. read B. has read C. is reading D. was reading
16. He was afraid of _____ the old lesson. A. study B. to study C. studying D. studied
17. My brother usually _____ to work early. A. go B. goes C. went D. has gone
18. I ____________ anything for two days, so I am very hungry now.
A. hasn’t eaten B. haven’t eaten C. didn’t eat D. don’t eat
19. Mr. Nam _______________ a lot when he was twenty years old.
A. was smoking B. smoked C. has smoked D. is smoking
21. We ______ the car at 9.00 yesterday A. were cleaning B. cleaned C. have cleaned D. clean
22. They haven’t met each other since they __________ school.
A. leave B. leaved C. left D. B & C are correct
23. She likes _____ cartoon in her free time. A. watching B. watches C. watched D. watch
24. When we __________ home yesterday, Lan was cooking dinner.
A. come B. came C. was coming D. has come
25. My pen pal, Maryam _____________ a letter to me since last year.
A. didn’t write B. doesn’t write C. hasn’t written D. wasn’t writing
26. He _______ a kilo of beef now.A. want B. to want C. wants D. is wanting
27. I suggested __________ in groups. A. work B. worked C. should work D. working
28. A: “I’m very tired” – B: “You ought to _____ inside. A. stay B. staying C. stayed D. be staying
II. Chọn đáp án đúng (A, B, C hoặc D).
1. If I ________ a lot of money now, I ________ a new car.
A. have /will buy B. have / would buy C. had/ will buy D. had/ would buy.
2. If I ________ you, I ________ do that.
A. am/ will B. were /would C. were/ will D. have been/ would.
3. If she sells her car, she ________ much money.
A. gets B. would get C. will get D. have got.
4. If she sold her car, she ________ much money.
A. gets B. would get C. will get D. have got.
5. They wish that they ________ in Hue now A. stay B. stayed C. are staying D. would stay
6. They wish that they _____ in Hue next year. A. stay B. stayed C. are staying D. would stay
7. She’ll get wet if we ________ out. A. goes B. go C. went D. had gone.
8. If I find it, I ________ you. A. will tell B. would tell C. have told D. told.
9. If the wall weren't so high, he ________it up to take his ball down.
A. climbed B. could climb C. is climbing D. climb
10. If you press that button what ________?
A. would happen C. will happen B. have happened D. happen
11. If I ________in London now, I could visit British Museum.
A. were B. have been C. am D. would be
12. If you ________Mary by chance, please give her my phone number
A. met B. should meet C. could meet D. will meet
13. What would you do if you ________ a million dollars?
A. would win B. win C. have won D. won.
14. If I had enough money, I ________abroad to improve my English.
A. will go B. should go C. would go D. have gone
15. If Tom ________ up early, He will be late for the class
A. doesn’t get B. won’t get C. isn’t getting D. can’t get
III. Chọn đáp án đúng (A, B, C hoặc D).
1. My father ______________ for this car-making factory since 1995.
A. worked B. was working C. has worked D. have worked
2. I don’t have a computer. I wish I _______ one. A. have B. have had C. had D. will have
3. The Robinson _____ in Ha Noi in 2000. A. arrived B. arrive C. has arrived D. will arrive
4. Your father ______ in a bank, doesn’t he? A. is working B. works C. has worked D. worked
5. Tom said that he ______ in Manchester City then. A. has lived B. is living C. was living D. lived
6. Nick _____ sick yesterday, so he didn’t go to school. A. is B. was C. has been D. will be
8. If I ______ enough money, I’ll buy a dictionary. A. have B. had C. will have D. would have
10. If I ___ her number, I would phone her. A. know B. had known C. would know D. knew
12. Don’t be noisy! I ______________ my homework
A. am doing B. was doing C. do D. did
13. This old man is often busy with ______________ waste paper after school.
A. collecting B. collected C. collects D. to collect
14. The city of London ____________ by the fire in the 16th century.
A. is destroyed B. was destroyed C. destroyed D. has been destroyed
15. When I came to see Mr. Brown last night, he ____________a newspaper in his own room.
A. read B. has read C. is reading D. was reading
16. He was afraid of _____ the old lesson. A. study B. to study C. studying D. studied
17. My brother usually _____ to work early. A. go B. goes C. went D. has gone
18. I ____________ anything for two days, so I am very hungry now.
A. hasn’t eaten B. haven’t eaten C. didn’t eat D. don’t eat
19. Mr. Nam _______________ a lot when he was twenty years old.
A. was smoking B. smoked C. has smoked D. is smoking
21. We ______ the car at 9.00 yesterday A. were cleaning B. cleaned C. have cleaned D. clean
22. They haven’t met each other since they __________ school.
A. leave B. leaved C. left D. B & C are correct
23. She likes _____ cartoon in her free time. A. watching B. watches C. watched D. watch
24. When we __________ home yesterday, Lan was cooking dinner.
A. come B. came C. was coming D. has come
25. My pen pal, Maryam _____________ a letter to me since last year.
A. didn’t write B. doesn’t write C. hasn’t written D. wasn’t writing
26. He _______ a kilo of beef now.A. want B. to want C. wants D. is wanting
27. I suggested __________ in groups. A. work B. worked C. should work D. working
28. A: “I’m very tired” – B: “You ought to _____ inside. A. stay B. staying C. stayed D. be staying
I. Multiple Choice
1. If I …………………a camera, I would have taken some pictures.
a. have b. had c. would have d. had had.
2. If I ……….a lot of money now, I …………..a new car.
a. have /will buy b. have / would buy c. had/ will buy d. had/ would buy.
3. If I ……………you, I …………….do that
. a. am/ will b. were /would c. were/ will d. had been/ would.
4. If I were offered the job, I think I ………. it.
a. take b. will take c. would take d. would have taken.
5. I would be very surprised if he……………..
a. refuses b. refused c. had refused d. would refuse.
6. Many people would be out of work if that factory………..down.
a. closes b. had closed c. closed d. would close.
7. 6. If she sold her car, she ………… much money.
a. gets b. would get c. will get d. would have got.
8. They would be disappointed if we…………….
a. hadn’t come b. wouldn’t come c. don’t come d. didn’t come.
9. Would John be angry if I ……. ……his bicycle without asking?
a. take b. took c. had taken d. would take.
10. She ……….terrible upset if I lost this ring.
a. will be b. would be c. were d. had been.
11. If someone…………in here with a gun, I would be very frightened.
a. would walk b. walks c. had walked d. walked.
12. What would happen if you ……………..to work tomorrow?
a. don’t go b. didn’t go c. won’t go d. wouldn’t go.
13. We ‘ll get wet if we ………….out.
a. go b. did go c. went d. had gone.
14. If I go shopping, I ………some food.
a. buy b. will buy c. would buy d. would have bought.
15. If I find it, I ………you.
a. will tell b. would tell c. had told d. told
16. What would you do if you……………a million dollars?
a. would win b. win c. had won d. won.
17. They ‘d be hurt if I ……………….
a. don’t go b. didn’t go c. hadn’t gone d. wouldn’t go.
18. If we took the 6: 30 train, we…………too early.
a. would have arrived b. arrived c. will arrived d. would arrive.
19. If I had known you were in hospital, I …………to see you.
a. will go b. would go c. went d. would have gone.
20. If I …………., I would have said hello.
a. had seen b. see c. saw d. would see.
21. I…………..out if I hadn’t been so tired.
a. will go b. went c. would have gone d. would go.
I. Multiple Choice
1. If I …………………a camera, I would have taken some pictures.
a. have b. had c. would have d. had had.
2. If I ……….a lot of money now, I …………..a new car.
a. have /will buy b. have / would buy c. had/ will buy d. had/ would buy.
3. If I ……………you, I …………….do that
. a. am/ will b. were /would c. were/ will d. had been/ would.
4. If I were offered the job, I think I ………. it.
a. take b. will take c. would take d. would have taken.
5. I would be very surprised if he……………..
a. refuses b. refused c. had refused d. would refuse.
6. Many people would be out of work if that factory………..down.
a. closes b. had closed c. closed d. would close.
7. 6. If she sold her car, she ………… much money.
a. gets b. would get c. will get d. would have got.
8. They would be disappointed if we…………….
a. hadn’t come b. wouldn’t come c. don’t come d. didn’t come.
9. Would John be angry if I ……. ……his bicycle without asking?
a. take b. took c. had taken d. would take.
10. She ……….terrible upset if I lost this ring.
a. will be b. would be c. were d. had been.
11. If someone…………in here with a gun, I would be very frightened.
a. would walk b. walks c. had walked d. walked.
12. What would happen if you ……………..to work tomorrow?
a. don’t go b. didn’t go c. won’t go d. wouldn’t go.
13. We ‘ll get wet if we ………….out.
a. go b. did go c. went d. had gone.
14. If I go shopping, I ………some food.
a. buy b. will buy c. would buy d. would have bought.
15. If I find it, I ………you. a. will tell b. would tell c. had told d. told
16. What would you do if you……………a million dollars?
a. would win b. win c. had won d. won.
17. They ‘d be hurt if I ……………….
a. don’t go b. didn’t go c. hadn’t gone d. wouldn’t go.
18. If we took the 6: 30 train, we…………too early.
a. would have arrived b. arrived c. will arrived d. would arrive.
19. If I had known you were in hospital, I …………to see you.
a. will go b. would go c. went d. would have gone.
20. If I …………., I would have said hello.
a. had seen b. see c. saw d. would see.
21. I…………..out if I hadn’t been so tired.
a. will go b. went c. would have gone d. would go.
Bài 3: Chọn đáp án đúng.
1. I would have visited you before if there _____ quite a lot of people in your house.
A. hadn't B. hadn't been C. wouldn't be D. wasn't
2. If you had caught the bus, you _____ late for work.
A. wouldn't have been B. would have been
C. wouldn’t be D. would be
3. If I _____, I would express my feelings.
A. were asked B. would ask
C. had been asked D. asked
4. If _____ as I told her, she would have succeeded.
A. she has done B. she had done
C. she does D. she did
5. Will you be angry if I _____ your pocket dictionary?
A. stole B. have stolen C. were to steal D. steal
6. You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hadn't lied B. would be / didn't lie
C. will be / don't lie D. would be / hadn't lied
7. John would be taking a great risk if he _____ his money in that business.
A. would invest B. invested C. had invested D. invests
8. She wouldn't have given them all that money if we _____ her to.
A. wouldn’t advise B. won't advise
C. hadn't advised D. didn't advise
9. If the tree hadn't been so high, he _____ it up to take his kite down.
A. could have climbed B. climb
C. is climbing D. climbed
10. If the wall weren't so high, he _____ it up to take his ball down.
A. climbed B. could climb C. is climbing D. climb
11. If I _____ her phone number, I _____ her last night
A. had known / could have phoned B. knew / would have phoned
C. know / can phone D. knew / could phone
12. If he ______ the truth, the police wouldn’t arrest him.
A. tells B. told C. had told D. would tell
13. If you press that button what _____?
A. would happen B. would have happened
C. will happen D. happen
14. She says if she _____ that the traffic lights were red she _____.
A. had realized / would stop B. realized / could have stopped
C. has realized / stopped D. had realized / would have stopped
15. I am very thin. I think, if I _____ smoking, I might get fat.
A. stop B. had stopped C. will stop D. stopped
16. If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed
C. had discovered / could inform
D. discovered / can inform
17. If you _______ to the course regularly, they ________ a certificate last year.
A. go / gave B. go / give
C. had gone / would have given D. went / would give
18. I think he is not at home. If he _____ in, he ______ the phone.
A. was / answered B. were / would answer
C. were / would have answered D.had been / would have answered
19. If I ______ in London now, I could visit British Museum.
A. were B. had been C. have been D. would be
20. If Columbus _______ money from Queen Isabella, he _______ across the Atlantic.
A. do not receive / could not sail
B. had not received / might not have sailed
C. did not receive / might not have sailed
D. would not receive / might not sail
1. I would have visited you before if there _____ quite a lot of people in your house.
A. hadn't B. hadn't been C. wouldn't be D. wasn't
2. If you had caught the bus, you _____ late for work.
A. wouldn't have been B. would have been
C. wouldn’t be D. would be
3. If I _____, I would express my feelings.
A. were asked B. would ask
C. had been asked D. asked
4. If _____ as I told her, she would have succeeded.
A. she has done B. she had done
C. she does D. she did
5. Will you be angry if I _____ your pocket dictionary?
A. stole B. have stolen C. were to steal D. steal
6. You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hadn't lied B. would be / didn't lie
C. will be / don't lie D. would be / hadn't lied
7. John would be taking a great risk if he _____ his money in that business.
A. would invest B. invested C. had invested D. invests
8. She wouldn't have given them all that money if we _____ her to.
A. wouldn’t advise B. won't advise
C. hadn't advised D. didn't advise
9. If the tree hadn't been so high, he _____ it up to take his kite down.
A. could have climbed B. climb
C. is climbing D. climbed
10. If the wall weren't so high, he _____ it up to take his ball down.
A. climbed B. could climb C. is climbing D. climb
11. If I _____ her phone number, I _____ her last night
A. had known / could have phoned B. knew / would have phoned
C. know / can phone D. knew / could phone
12. If he ______ the truth, the police wouldn’t arrest him.
A. tells B. told C. had told D. would tell
13. If you press that button what _____?
A. would happen B. would have happened
C. will happen D. happen
14. She says if she _____ that the traffic lights were red she _____.
A. had realized / would stop B. realized / could have stopped
C. has realized / stopped D. had realized / would have stopped
15. I am very thin. I think, if I _____ smoking, I might get fat.
A. stop B. had stopped C. will stop D. stopped
16. If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed
C. had discovered / could inform
D. discovered / can inform
17. If you _______ to the course regularly, they ________ a certificate last year.
A. go / gave B. go / give
C. had gone / would have given D. went / would give
18. I think he is not at home. If he _____ in, he ______ the phone.
A. was / answered B. were / would answer
C. were / would have answered D.had been / would have answered
19. If I ______ in London now, I could visit British Museum.
A. were B. had been C. have been D. would be
20. If Columbus _______ money from Queen Isabella, he _______ across the Atlantic.
A. do not receive / could not sail
B. had not received / might not have sailed
C. did not receive / might not have sailed
D. would not receive / might not sail
1- I can’t understand what he sees in her! If anyone treats me that, I would be extremely angry.
2- If you help me with this exercise, I would do the same for you one day.
3- According to the timetable, if the train leaves on time, we will arrive at 5.30.
4- If it is fine tomorrow, we will go to the coast.
5- If we find a taxi, we will get there before the play starts.
6- It’s quite simple really. If you take these tablets every day, then you would lose weight.
7- I don’t this flat. I think I’d be happier if I live in a house in the country.
8- I can’t play football, but I’m sure that if I do, I would play a lot better than anyone in this awful team.
9- I will phone you tonight, will you be in?
10- Why didn’t you tell me? – If you had told me, I would have helped you.
11- If Bill hadn’t stolen the car, he wouldn’t be in prison now.
12- If Ann hadn’t driven so fast, her car wouldn’t have crashed into a tree.
13- Let me give you some advice. If you had smoked less, you wouldn’t have felt tired.
14- What bad luck! If Alan hadn’t fallen over, he would have won the race.
15- If you had invited me last week, I was would have been able to come.
16- I’m sure your letter hasn’t arrived yet. If it had come, I’m sure I would have noed it.
17- We have a suggestion to make. How would you feel if we had offered you the job of an assistant manager?
18- If you had lent us the money, we would pay you back next week.
19- I wish Peter doesn’t live so far away from the town center. We’ll have to take a taxi.
20- I feel rather cold. I wish I had brought my pullover with me.
21- I wish you had told me about the test. I haven’t done my revision.
22- I’m sorry I missed your birthday party. I wish I had come.
23- I my new boss but I wish she could give me some more responsibility.
24- Having a lovely time in Brighton, I wish you were here. Love, Mary.
25- A cheque is all right, but I’d rather you pay me cash.
26- If only I had a screwdriver with me.
27- If you want to catch the last train, it’s time you leave
28- I’d rather you don’t tell anyone about our conversation.
29- It’s high time you learn to look after yourself.
30- Jean thinks that everyone s her. If only she knew what people say behind her back.
Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.I will never talk to you again _____ you apologize me _____ your being rude. A. if / for B. unless / for C. or / of D. whether / or 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.He stepped on the mine, and it exploded. A.If he doesn’t step on the mine, it doesn’t explode. B.If he doesn’t step on the mine, it won’t explode. C.If he didn’t step on the mine, it wouldn’t explode. D.If he hadn’t stepped on the mine, it wouldn’t have exploded. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled D. If it had rained, the match would have been cancelled. 23.Unfortunately, I don’t know Philosophy, so I can’t answer your question. A.If I know Philosophy, I can answer your question. B.If I know Philosophy, I will be able to answer your question. C.If I knew Philosophy, I would be able to answer your question. D.If I had known Philosophy, I would have been able to answer your question. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.If he _____with us now, he _____ the beauty of nature of the National Park. A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 35.If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been
Lần sau bn vt thì cách ra cho dễ nhìn nhé~~~~
Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she
2.If you_____to me, you wouldn’t have got so much trouble.
A. listened B. would listen C. had listened D. Would have listened
3.If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must B. will C. should D. ought
4.If the sun _____, we _____for a walk.
A. shines / will go B. shone / will go C. shone / would go D. had shone / would go
5.The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains
6.But for our parents, we _____ successful in life.
A. will never be B. would never be C. wouldn’t have be D. would have never been
7.If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had
8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know B. is / will know C. had been / would have known D. was / would know
9.If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study B. had studied C. studied D. were studying
10.I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for B. unless / for C. or / of D. whether / or
1. Choose the best answer
1.1. If I ………. a lot of money now, I ………… a new car
A. have/ will buy C. had/ will buy
B. have/ would buy D. had/ would buy
1.2. If I……….. you, I …………. do that
A. am/ will C. were/ will
B. were/ would D. had been/ would
1.3. If I were offered the job, I think I…………. it
A. take C. would take
B. B. will take D. would
1.4. I would be very surprised if he…………
A. refuses C. had refused
B. refused D. would refuse
1.5. Many people would be out of work if that factory…….. down
A. closes C. closed
B. had closed D. would close
1.6. If she sold her car, she ………. much money
A. gets C. will get
B. would get D. would have got
1.7. They would be disappointed if we …………
A. hadn’t come C. don’t come
B. wouldn’t come D. didn’t come
1.8. Would he be angry if I ………… his bicycle without asking?
A. take C. had taken
B. took D. would take
1.9. She ………… terribly upset if I lost this ring
A. will be C. were
B. would be D. had been
1.10. If someone ………. in here with a gun, I would be very frightened
A. would walk C. had walked
B. walks D. walked