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Bài tập câu điều kiện có đáp án

Bài tập câu điều kiện có đáp án

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Câu điều kiện tiếng Anh là một trong những chuyên đề Ngữ pháp tiếng Anh quan trọng đối với người học. Câu điều kiện tiếng Anh chia thành 4 loại cơ bản là:

Câu điều kiện loại 0 – diễn tả thói quen hay sự thật hiển nhiên

Cấu trúc: If + S + V(s,es), S+ V(s,es)

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Câu điều kiện loại 1 – là câu sử dụng khi điều kiện có thực ở hiện tại.

Cấu trúc: If + S + V(s,es), S + Will/Can/shall…… + V

Câu điều kiện loại 2 – là câu sử dụng điều kiện không có thật ở hiện tại, điều kiện trái với thực tế ở thời điểm hiện tại.

Cấu trúc: If + S + V2/ Ved, S +would/ Could/ Should…+ V

To be: were / weren’t

Câu điều kiện loại 3 – diễn tả điều kiện không có thật trong quá khứ với kết quả giả định.

Cấu trúc: If + S + Had + V(pp)/Ved, S + would/ could…+ have + V(pp)/Ved

Trên đây là vắn tắt về Cấu trúc + Cách dùng các loại câu điều kiện, mời bạn đọc tham khảo, download tài liệu luyện tập tiếng Anh về câu điều kiện dưới đây. Tài liệu bao gồm đáp án dưới mỗi dạng bài tập giúp bạn học đối chiếu kết quả bài làm hiệu quả và chính xác.

Bài tập Conditional Sentences có đáp án án

Bài tập về Câu điều kiện có đáp án nằm trong bộ đề ôn tập Ngữ pháp Tiếng Anh cơ bản do CITD sưu tầm và đăng tải. Đề luyện tập Tiếng Anh gồm nhiều dạng bài tập tiếng Anh thường gặp trong các đề thi giúp các bạn không chỉ tổng quát được kiến thức ngữ pháp câu điều kiện quan trọng mà còn tập dượt trước mỗi kì thi hiệu quả.

Bài 1. Chia động từ trong ngoặc.

1. If they (listen) carefully, they might hear the woodpecker.

2. If I had lain down on the sofa, I (fall) asleep.

3. Ngoc could have worked as a model if she (be) taller.

4. The soil (not/dry out) if you water the plants regularly.

5. If you (give) the young boy this stick, he’d hurt himself.

6. We (not/take) the wrong tram if Dzung had asked the policewoman.

7. If the cat hides in the tree, the dog (not/find) it.

8. The students would have solved the problem if they (use) their textbooks.

9. If he washed his feet more often, his girlfriend (visit) him more often.

10. Manh (read) the newspaper if he went by train.

Đáp án

1. listened; 2. could have fallen; 3. had been; 4. won’t dry out; 5. gave;

6. wouldn’t have taken; 7. won’t find; 8. had used; 9. would visit; 10. would read

Bài 2. Hoàn thành câu với từ cho sẵn (chú ý chia động từ)

1. If/ you/ mix/ red/ blue/ get / purple.

2. If/ Arsenal/ win/ they/ be/ top/ the league.

3. It /rain/ we / cancel / the match.

4. You / take / first bus/ you/will/ get /there on time.

5. You / need more helpers/ I /can try / get some time off work.

6. Mary might / deliver your parcel / you /ask /her.

7. I / were / 20/ I would/ travel/ world

8. Jim / lent / us / car / we / could / go / party.

9. We / would / save £3.50 a day / we didn’t / eat any lunch.

10. Burglars/ broke/ into my house/ they / find any money.

Đáp án

1. If you mix red and blue, you get purple.

2. If Arsenal wins, they’ll be top of the league.

3. If it rains, we will cancel the match.

4. If you take the first bus, you’ll get there on time.

5. If you need more helpers, I can try and get some time off work.

6. Mary might deliver your parcel if you ask her.

7. If I were 20, I would travel the world.

8. If Jim lent us his car, we could go to the party.

9. We would save £3.50 a day if we didn’t eat any lunch.

10. If burglars broke into my house, they wouldn’t find any money.

Bài 3. Hoàn thành câu với từ cho sẵn

1. If we meet at 9:30, we (to have) plenty of time.

2. Lisa would find the milk if she (to look) in the fridge.

3. The zookeeper would have punished her with a fine if she (to feed) the animals.

4. If you spoke louder, your classmates (to understand) you.

5. Dan (to arrive) safe if he drove slowly.

6. You (to have) no trouble at school if you had done your homework.

7. If you (to swim) in this lake, you’ll shiver from cold.

8. The door will unlock if you (to press) the green button.

9. If Mel (to ask) her teacher, he’d have answered her questions.

10. I (to call) the office if I was/were you.

Đáp án:

1. will have; 2. looked; 3. had fed; 4. would understand; 5. would arrive

6. would have had; 7. swim; 8. press; 9. had asked; 10. would call

Bài 4. Hoàn thành câu với từ cho sẵn

1.If it (to be) warmer, we (to go) swimming.

2. My parents (to buy) this house if the man (not/to sell) it to someone else.

3. If he (not/to fail) his driving test, his parents (to lend) him their car.

4. If my uncle (to tell) me the way to his office, I (not/to arrive) so late.

5. She (to be) at the airport if she (to read) the message carefully.

6. Lucy (not/to hurt) her foot if she (not/to drop) the old box on it.

7. If you (to use) a sharp knife, you (not/to cut) yourself.

8. If Victoria (to celebrate) her birthday at home, I (to bring) her some flowers.

9. We (to take) the train to Edinburgh if it (to run) on time.

10. If Max (not/to forget) his schoolbag, he (to give) you your USB flash drive.

Đáp án

1. If it had been warmer, we would have gone swimming.

2. My parents would have bought this house if the man had not sold it to someone else.

3. If he had not failed his driving test, his parents would have lent him their car.

4. If my uncle had told me the way to his office, I would not have arrived so late.

5. She would have been at the airport if she had read the message carefully.

6. Lucy would not have hurt her foot if she had not dropped the old box on it.

7. If you had used a sharp knife, you would not have cut yourself.

8. If Victoria had celebrated her birthday at home, I would have brought her some flowers.

9. We would have taken the train to Edinburgh if it had run on time

10. If Max had not forgotten his schoolbag, he would have given you your USB flash drive.

Bài 5: Cho dạng đúng của động từ trong ngoặc:

1. If I see him, I _____ (give) him a gift.

2. If I had a typewriter, I _____ (type) it myself.

3. If I had known that you were in hospital, I _____ (visit) you.

4. You could make better progress if you _____ (attend) class regularly.

5. If I _____ (know) his telephone number, I’d give it to you.

6. If you _____ (arrive) ten minutes earlier, you would have got a seat.

7. If he worked more slowly, he _____ (not make) so many mistakes.

8. I shouldn’t drink that wine if I _____ (be) you.

9. If I _____ (find) a cheap room, I will stay a fortnight.

10. A lot of people _____ (be) out of work if the factory closed down.

11. I (have) ………….. plenty of money now if I (not/spend) ………… so much yesterday.

12. If someone (give) …………….you a boat, what you (do) …………… ?

13. If you………..(press) CTRL + S, you………..(save) the file.

14. The children………..(be) happy if he………..(teach) them English.

15. If she………..(buy) a new hard disk, she………..(not/ lose) all data.

Đáp án:

1. will give; 2. would type; 3. would have visited ; 4. attended; 5. knew;
6. had arrived; 7. wouldn’t make; 8. were; 9. find; 10. would be;
11. would have/ hadn’t spent (ĐK hỗn hợp); 12. gives/ what will you do; 13. press/ save (hoặc will save); 14. would be/ taught; 15. had bought/ wouldn’t have lost;

Bài 6: Bài tập chuyển sang câu điều kiện có đáp án.

1. Keep silent or you’ll wake the baby up.

If you don’t keep silent, you will wake the baby up.

2. Stop talking or you won’t understand the lesson.

→ If………………………………………..….…….

3. I don’t know her number, so I don’t ring her up.


4. I don’t know the answer, so I can’t tell you.

→ If …………………………………………….………..

5. We got lost because we didn’t have a map.

→ If …………………………………….……..…….……

6. Susan felt sick because she ate four cream cakes.


7. Without this treatment, the patient would have died.


8. He lost his job because he was late every day.


9. Peter is fat because he eats so many chips.


10. Robert got a bad cough because he started smoking cigarettes.


Đáp án tham khảo (ngoài ra còn nhiều cách viết sử dụng từ ngữ khác nhau, nhưng nghĩa là không thay đổi)

2. If you keep talking, you won’t understand the lesson.

3. If I know her number, I will ring her up.

4. If I know the answer, I will tell you.

5. If we had had a map, we wouldn’t have got lost.

6. If Susan hadn’t eaten four cream cakes, she wouldn’t have felt sick.

7. If we hadn’t had this treatment, the patient would have died.

8. If he hadn’t been late every day, he wouldn’t have lost his job.

9. If Peter ate less chips, he wouldn’t be fat.

10. If Robert hadn’t started smoking cigarettes, he wouldn’t have got a bad cough.

Bài 7: 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

Đáp án:

1 – B 2 – A 3 – A 4 – B 5 – D 6 – A 7 – B 8 – C 9 – A 10 – B
11 – A 12 – B 13 – C 14 – D 15 – A 16 – B 17 – C 18 – B 19 – A 20 – B

Bài 8: Chọn đáp án đúng

1. If she …………… the lottery last year, She ………… rich now.

A. have won/would be

B. had won/would be

C.won/would be

D. wins/will be

2. If I …………… the homework last night, I…………… bonus today.

A. had done/would get

B. had done/would have got

C. done/would get

D. does/will get

3. If we had played this game yesterday, we…………… a lot of money now.

A. will have

B. may have

C. would have had

D. would have

4. If it ……………… last night, it would be cold today.

A. had rained

B. rained

C. have rained

D. was raining

5. If she …………… to me, she ……………… in trouble right now.

A. had listened/would be

B. had listened/would have be

C. had listened/would not be

D. A & B

6. If it had rained one hour ago, the streets ………… wet now.

A. would have be

B. will be

C. be

D. would be

7. If I ………………. to the beach yesterday, I would be tired today.

A. have gone

B. goes

C. had gone

D. A & B

8. If they had gone to school yesterday, they ……….. to the museum now

A. would go

B. will go

C. could go

D. A&C

9. If he had done exercise last night, he ……… soccer right now.

A. will play

B. can play

C. plays

D. could play.

10. If Nina had not gone out last week, she ……………… die now.

A. will

B. would

C. could

D. B&C

Đáp án:

1 – B 2 – A 3 – D 4 – A 5 – A 6 – D 7 – C 8 – D 9 – D 10 – D

Bài 9: Điền vào chỗ trống

1. If you take my advice, you …………………… (be) happy.

2. What would you do if you …………………… (be) me?

3. If you …………………… (lend) me some books I will give them back in two weeks.

4. I …………………… (send) her a letter if I had found her address.

5. She …………………… (not/steal) the bread if she hadn’t been hungry.

6. If she …………………… (come) here I will tell her about the film.

7. I will be unhappy if you …………………… (leave) me.

8. If you hadn’t been so crazy you …………………… (not/buy) this expensive house.

9. If the sun …………………… (shine) I will go to the beach.

10. If I …………………… (win) the lottery I would leave my country.

Đáp án:

1. will be 2. were 3. lend 4. would have sent 5. would not have stolen / wouldn’t have stolen
6. comes 7. leave 8. would not have bought / wouldn’t have bought 9. shines 10. Won

Bài 10: Điền vào chỗ trống

1. ………… we ………… (have) enough time if we wanted to see the castle?

2. In case you ………… (buy) a car, will you teach me to drive?

3. If I………… (not be) in a hurry, I wouldn’t have made so many mistakes.

4. She won’t finish it on time if she ………… (not start) right now.

5. She ………… (get angry) if you had told her.

6. On condition that they …………(support) our product, they would get a discount.

7. Even if I …………(ask) him, he won’t come.

8. Had I driven slowly, I …………(not crash)

9. It will be a disaster unless they ………… (help) us.

10. If you ………… (have) something to eat, you wouldn’t have felt sick.

11. I wouldn’t risk it if I ………… (be) you.

12. She would get fat if she ………… (not stop) eating.

13. The chicken wasn’t good. It …………(taste) better if you had put some spices on it.

Đáp án:

1 – Would … have 2 – buy 3 – had not been 4 – does not start 5 – would have got 6 – supported
7 – ask 8 – would not have crashed 9 – help 10 – had had 11- were 12 – did not stop
13 – would have tasted

Bài 11: Tìm lỗi sai

1. What do (A) you do (B) if you won the first (C) prize of the lottery?

2. Would people be able(A) to fly (B), if they have (C) feathers instead of (D) hair?

3. George now(A) wishes he hasn’t (B) broken (C) his encouragement with (D) Marian.

4. If Peter had been more (A) careful (B), he wouldn’t break (C) the camera I lent (D) him.

5. He wouldn’t have able(A) to pass (B) the test if his English hadn’t been (C) good enough (D).

6. If a drop(A) of oil is placed (B) in a glass of water, it would (C) float on (D) the surface.

Đáp án

1. A (do => would)

4. C (wouldn’t break => wouldn’t have broken)

2. C (have => had)

5. A (have able => have been able)

3. B (hasn’t => hadn’t)

6. C (would => will)

Bài 12: Hoàn chỉnh các câu sau, sử dụng điều kiện loại 2

1. What/ happen/ if/ water pollution/ stop?


2. We/ be/ happy/ if/ air pollution/ the world/ be/ a/ better place?


3. If/ there/ be/ no more pollution/ the world/ be/ a better place?


4. If/I/ be/ you/I/ take/ these bottles/ the bottle bank.


5. If/ people/ not really care/ the environment/ they/ not try/ save it.


6. The river/ not be/ so polluted/ if/ factories/ not dump/ waste/ it.


7. We/ be/ less worried/ if/ oil spills/ not have/ such destructive effects.


8. If/ we/ destroy/ the ozone layer/ what/ save/ us/ the UV rays?


Đáp án:

1. What would happen if water pollution stopped?

2. We would be happy if air pollution was the only problem.

3. If there was no more pollution, would the world be a better place?

4. If I were you, I would take these bottles to the bottle bank.

5. If people didn’t really care about the environment, they wouldn’t try to save it.

6. The river wouldn’t be so polluted if factories didn’t dump waste into it.

7. We would be less worried if oil spills didn’t have such destructive effects.

8. If we destroyed the ozone layer, what would save us from the UV rays?

Bài 13. Cho dạng đúng của động từ trong ngoặc với câu điều kiện loại 1.

1. If I (study), I (pass) the exams.

2. If the sun (shine), we (walk) into town.

3. If he (have) a temperature, he (see) the doctor.

4. If my friends (come), I (be) very happy.

5. If she (earn) a lot of money, she (fly) to New York.

6. If we (travel) to Hanoi, we (visit) the museums.

7. If you (wear) sandals in the mountains, you (slip) on the rocks.

8. If Giang (forget) her homework, the teacher (give) her a low mark.

9. If they (go) to the disco, they (listen) to loud music.

10. If you (wait) a minute, I (ask) my parents.

Đáp án

1. study/will pass; 2. shines/will walk; 3. has/must see; 4. come/will be; 5. earns/will fly

6. travel/will visit; 7. wear/may slip; 8. forgets/will give; 9. go/have to; 10. wait/will ask

Bài 14. Cho dạng đúng của động từ trong ngoặc với câu điều kiện loại 2

1. If I (come) home earlier, I (prepare) dinner.

2. If we (live) in HCMC, my boyfriend (visit) us.

3. If Tung and Thanh (be) older, they (play) in our football team.

4. If he (be) my friend, I (invite) him to my birthday party.

5. If Xuan (study) harder, she (be) better at school.

6. If they (have) enough money, they (buy) a new car.

7. If you (do) a paper round, you (earn) a little extra money.

8. If Minh (get) more pocket money, he (ask) Lam out for dinner.

9. If we (win) the lottery, we (fly) to London.

10. If I (meet) Brad Pitt, I (ask) for his autograph.

Đáp án

1 – came/would prepare; 2 – lived/would visit; 3 – were/would play; 4 – were/would invite;

5 – studied/would be; 6 – had/could buy; 7 – did/could earn; 8 – got/could ask; 9 – won/would fly;

10 – met/would ask;

Bài 15: Hoàn thành các câu với nghĩa không đổi

1. Vegetarians don’t eat meat.

=> If you’re a vegetarian, ________________________________

2. People who live in a cold country don t like hot weather.

=> If you live _________________________________________

3. Teachers have to work very hard.

=> If you’re a teacher, __________________________________

4. People who do a lot of exercise stay fit and healthy.

=> If you ____________________________________________

5. Mechanics understand engines.

=> If you’re a ________________________________________

6. People who read newspapers know what’s happening in the world.

=> If you ____________________________________________

7. What would you do if you found some buried treasure?

If you were ______________

8. Working so much will make you tired

If you __________________

9. We didn’t visit the museum because we hadn’t time

We would ______________

10. Without you, I would have given up years ago

If it ___________________

11. We didn’t go by air only because we hadn’t enough money

If we __________________

12. If by any chance you find my wallet, could you let me know?

If you should ____________

13. I regret not studying hard last term

If only _________________

14. He didn’t work hard at school, so he didn’t get a good job when he left

If _____________________

15. People don’t do enough exercise, so there is a lot of heart disease

If people _______________

16. Children have bad teeth because they eat too many sweets

Children would have better teeth if ______________

Đáp án

1. If you’re a vegetarian, you won’t eat meat.

2. If you live in a cold country, you won’t like hot weather.

3. If you’re a teacher, you will have to work very hard.

4. If you do a lot of exercise, you will stay fit and healthy.

5. If you’re a mechanic, you will understand engines.

6. If you read newspapers, you will know what’s happening in the world.

7. If you were to find some buried treasure, what would you do?

8. If you didn’t work so much, you wouldn’t be tired

9. We would have visited the museum if we had had time

10. If it hadn’t been for you, I would have given up years ago

11. If we had had enough money, we would have gone by air

12. If you should find my wallet, could you let me know?

13. If only I had studied hard last term

14. If he had worked hard at school, he would have got a good job when he left

15. If people did enough exercise, they wouldn’t have/ get heart disease

16. Children would have better teeth if they didn’t eat too many sweets

Bài 16: Dựa vào những từ cho sẵn, viết thành câu hoàn chỉnh.

1. Jim/ always/ ask / me/ what/ I/ do/ if/ I / see/ shooting star


2. My mother/ often/ add/ stick/ cinnamon/ in/ soup


3. If/ you/ can/ not/drink/ black/ coffee/ ,/ you/ can/ add/ milk/ or/ sugar.


4. How/ the/ cake/taste/ if/ we /add/ drop/ olive/ oil?


5. My son/ not/ eat/ salad/ if/ there/ be/ tomatoes/ in/it.


6. My sister/ often/ eat/ slices/ bread/ with/ strawberry/ jam/ for/ breakfast.


7. Yesterday/ my/ mother/ and/ l/ buy/ some/ tin/ sardine/ and/ vegetables.


Đáp án

1. Jim always asks me what I will do if I see a shooting star.

2. My mother often adds some sticks of cinnamon in the soup.

3. If you can’t drink black coffee, you can add some milk or sugar.

4. How will the cake taste if we add some drops of olive oil?

5. My son won’t eat salad if there are tomatoes in it.

6. My sister often eats some slices of bread with some strawberry jam for breakfast.

7. Yesterday my mother and I bought some tins of sardine and some vegetables.

Bài 17: Give the correct form of verbs in bracket

1. If it (not pour) ____________ with rain tomorrow, we can (go) ____________ on a picnic

2. If James (start) ____________ to cook now, dinner (be) ____________ ready in one hour.

3. If Jane (not make) ____________ it the meeting on time, her manager may (get) ____________ very angry.

4. If they (be) ____________ occupied this weekend, they can (not come) ____________ to my house for dinner.

5. You must (not leave) ____________ the house unless I (allow) ____________ you to go

6. Peter (just waste) ____________ his money if he (take) ____________ a course in this English center.

Xem đáp án

1. If it (not pour) doesn’t pour with rain tomorrow, we can (go) go on a picnic

2. If James (start) starts to cook now, dinner (be) will be ready in one hour.

3. If Jane (not make) doesn’t make it the meeting on time, her manager may (get) get very angry.

4. If they (be) are occupied this weekend, they can (not come) won’t come to my house for dinner.

5. You must (not leave) not leave the house unless I (allow) allow you to go

6. Peter (just waste) will just waste his money if he (take) takes a course in this English center.

Trên đây là toàn bộ nội dung bài tập và đáp án của Bài tập câu điều kiện có đáp án. Mời bạn đọc tham khảo thêm nhiều tài liệu ôn tập Tiếng Anh cơ bản như: Tài liệu luyện kỹ năng Tiếng Anh cơ bản, Ôn tập Ngữ pháp Tiếng Anh, Luyện thi Tiếng Anh trực tuyến,… được cập nhật liên tục trên

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