Bài tập câu điều kiện

CÂU ĐIỀU KIỆN
Exercise 1: Put the correct form of the verbs in the bracket. (use type 1)
1. If she ....................(work) hard, she .....................(pass) the exam.
2. If I ..................(come) soon, I ....................(phone) you.
3. She ...................(feel) sad if you ....................(not, give) her a gift.
4. If Peter ......................(go) to work late again, he .................(be) sacked.
5. No one .........................(know) the truth if you ................(not, reveal)
6. If the boy ....................(eat) that apple, he ....................(be) ill.
7. If you .....................(not, hurry), you .....................(miss) the bus.
8. Tell him about this story if you .........................(see) him.
9. If you ..........................(have) a day off where you..............(go)?
10. If he ..................(cook) the meal himself, help him.
11. If few people .....................(come) to the meeting, please postpone to the other day.
12. If it .......................(not, be) warm this afternoon, we ...................(put off) the game.
13. Your father ...............(pick) you up if you ..................(come) back late?
14. What you ..................(speak) if you ....................(meet) a foreigner?
15. Unless he .................(answer) all my questions, I ...................(not, help) him.
Ex2 : Rewrite these sentences by using conditional sentence Type I
1. Turn off all the lights and you will not pay more money.
If ..........................................................................................................
2. Unless she wears warm clothes, she will have a cold.
If ..........................................................................................................
3. Be careful or you may have an accident.
If ..........................................................................................................
4. phone your parents or you have a trouble.
If ..........................................................................................................
5. Unless she whispers, everyone knows what she is saying.
If ..........................................................................................................
6. Stay here and you will feel save.
If ..........................................................................................................
7. Pay electricity bill today or your electricity will be cut off.

If ..........................................................................................................
8. Stop smoking otherwise your cough may be worse.
If ..........................................................................................................
9. Unless we use less fossil fuel, they will be run out soon.
If ..........................................................................................................
10. Unless it stops raining today, we may be faced with a serious flood.
If ..........................................................................................................
11.Do morning exercises regularly, your body will be fitter.
If ..........................................................................................................
12. Unless we renewable energy, we will have nothing for the future generation.
If ..........................................................................................................
13. The climate will change unless we reduce the use of non-renewable energy.


If ..........................................................................................................
14. Lock all the doors and noone can break into your house.
If ..........................................................................................................
15. Unless we continue hunting polar bears, they will become extinct in near future.
If ..........................................................................................................
Bài 3. 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.

Bài 4: 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.
Bài 5: 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.
→If…………………………………….....….……..
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.
→………………………………..…..
Bài 6: 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.
Bài 7: Cho dạng đúng của động từ trong ngoặc với câu điều kiện loại 2
11. If I (come) home earlier, I (prepare) dinner.
12. If we (live) in HCMC, my boyfriend (visit) us.
13. If Tung and Thanh (be) older, they (play) in our football team.
14. If he (be) my friend, I (invite) him to my birthday party.
15. If Xuan (study) harder, she (be) better at school.
16. If they (have) enough money, they (buy) a new car.
17. If you (do) a paper round, you (earn) a little extra money.
18. If Minh (get) more pocket money, he (ask) Lam out for dinner.
19. If we (win) the lottery, we (fly) to London.

20. If I (meet) Brad Pitt, I (ask) for his autograph.
Bài 8: Cho dạng đúng của động từ trong ngoặc với câu điều kiện loại 3
21. If the weather (be) nice, they (play) football.
22. If we (go) to a good restaurant, we (have) a better dinner.
23. If An (learn) more words, he (write) a good report.
24. If the boys (take) the bus to school, they (arrive) on time.
25. If the teacher (explain) the homework, I (do) it.
26. If they (wait) for another 10 minutes, they (see) the pop star.
27. If the police (come) earlier, they (arrest) the burglar.
28. If you (buy) fresh green vegetable, your salad (taste) better.
29. If Alex (ask) me, I (email) the documents.
30. If he (speak) more slowly, Peggy (understand) him.
Bài 9: Cho dạng đúng của động từ trong ngoặc
31. If we meet at 9:30, we (have) plenty of time.
32. Lisa would find the milk if she (look) in the fridge.
33. The zookeeper would have punished her with a fine if she (feed) the animals.
34. If you spoke louder, your classmates (understand) you.
35. Dan (arrive) safe if he drove slowly.
36. You (have) no trouble at school if you had done your homework.
37. If you (swim) in this lake, you’ll shiver from cold.
38. The door will unlock if you (press) the green button.
39. If Mel (ask) her teacher, he’d have answered her questions.
40. I (call) the office if I (be) you.


41. If they (listen) carefully, they might hear the woodpecker.
42. If I had lain down on the sofa, I (fall) asleep.
43. Ngoc could have worked as a model if she (be) taller.

44. The soil (not/dry out) if you water the plants regularly.
45. If you (give) the young boy this stick, he’d hurt himself.
46. We (not/take) the wrong tram if Dzung had asked the policewoman.
47. If the cat hides in the tree, the dog (not/find) it.
48. The students would have solved the problem if they (use) their textbooks.
49. If he washed his feet more often, his girlfriend (visit) him more often.
50. Manh (read) the newspaper if he went by train.
Bài 10: Bài tập viết lại câu sao cho nghĩa không đổi, yêu cầu dùng mệnh đề If
1.It rains all day so Jim don’t join in the game.
➔ If ________________________________.
2. Leave me alone or she’ll stay at home.
➔ If ________________________________.
3. My mother couln’t go to the concept because she was so busy.
➔ If ________________________________.
4. I didn’t buy this house because I didn’t have enough money.
➔ If ________________________________.
5. Ken ate many ice creams so he felt sick.
➔ If ________________________________.
6. In the snowy weather, they don’t go to school.
➔ If ________________________________.
7. His sister doesn’t speak English. she won’t get the job.
➔ If ________________________________.