Đặt các động từ trong ngoặc vào các dạng chính xác của chúng! 
1. I would have read the letter if I___________ (know) it was from you.
2. If Tony doesn't help in the garden I__________ (not finish) my work in time.
3 .If you__________ (not tell) me about Maxwell's birthday I would forget it.
4. We_____________ (catch) the train earlier if Mary had found her purse.
5. If Susan____________ (learn) the poem she would have known the answer.
6. If it____________ (be) too hot we will stop and get a cold drink.
7. If it___________ (not rain) today I would stay it home.
8. If the Professor spoke clearly we__________ (understand) him better.
9. If you go on talking like that we__________ (throw) you out.
10. If Sasha__________ (go) home now he would meet his own brother.
11. If it rained, the streets__________ (be) wet.
12. If I__________ (not tell) Jim the address he wouldn't have found you.
13. The bird____________ (die) if you had caught it.
14. What___________ (you, do) if you won the lottery?
15. If the weather_________ (not change) we will reach the top of the mountain.
16. Dinner__________ (be) fine if the meat weren't cold.
17. I'm sure Benny____________ (come) if you wait a bit longer.
18. If you ring the bell, somebody___________ (answer) it.
19. If Bert__________ (see) you, he would have talked to you.
20. You___________ (find) your ticket if you had looked into your pockets.
21. You___________ (fall) ill if you eat so much.
22. What___________ (happen) if the door had not been opened?
23. If Chris asked you for a cigarette,__________ (you, give) him one?
24. If you__________ (buy) that big car, you would need a lot of money.
25.___________ (You, change) the colour of your hair if I asked you to do so?
26. If you give me the letter, I____________- (post) it for you.
27. ____________(You, post) the letter if I had given it to you?
28. If the weather is fine, I____________ (go) swimming.
29. If you____________ (not work) harder, you won't pass the exam.
30. If they___________ (be) rich, they would travel around the world.
31. The children__________ (go) skating if the lake were frozen.
32. What would you have done, if you___________ (lose) your handbag?
33. What will happen if you____________ (not know) the answer?
34. She__________(go) on holiday, if she hadn't been ill.
35. If I_______________ (notice) you, I would have said hello.
36. If I__________ (be) like you, I wouldn't watch such films.
37. If you opened your eyes, you___________ (see) a wonderful world.
38. People___________ (live) in peace if they stop fighting.
39. If Tom drinks so much, he_________ (cannot drive) home.
40. If we___________ (not hurry) we would miss the train.
41. He___________ (not spend) so much money if he weren't a happy person.
42. __________(You, come ), if you had had more time?
43. If Jim_________ (study) the new words he would have got a better mark.
44. If he were rich, he___________ (buy) the house.
45. If you don't hurry you___________ (be) late.
46. If it wasn't so hot, we___________ (play) football.
47. If I__________ (be) ill, would you visit me?
48. If Sean____________ (not be) driving so fast, the police would not have stopped him.
49.I f I had sold my house, I____________ (get) 4 million pounds.
50. If I____________ (be) you I would I would do it.
Đặt các động từ trong ngoặc vào các dạng chính xác của chúng.
1. I would have read the letter if I had known (know) it was from you.
2. If Tony doesn't help in the garden I will not finish (not finish) my work in time.
3. If you didn't tell (not tell) me about Maxwell's birthday I would forget it.
4. We would have caught (catch) the train earlier if Mary had found her purse.
5. If Susan had learned (learn) the poem she would have known the answer.
6. If it isn't (be) too hot we will stop and get a cold drink.
7. If it didn't rain (not rain) today I would stay it home.
8. If the Professor spoke clearly we would understand (understand) him better.
9. If you go on talking like that we will throw (throw) you out.
10. If Sasha went home (go) home now he would meet his own brother.
11. If it rained, the streets would be (be) wet.
12. If I had not told (not tell) Jim the address he wouldn't have found you.
13. The bird would have died (die) if you had caught it.
14. What would you do (you, do) if you won the lottery?
15. If the weather doesn't change (not change) we will reach the top of the mountain.
16. Dinner would be (be) fine if the meat weren't cold.
17. I'm sure Benny will come (come) if you wait a bit longer.
18.If you ring the bell, somebody will answer (answer) it.
19. If Bert had seen (see) you, he would have talked to you.
20. You would have found (find) your ticket if you had looked into your pockets.
21. You will fall (fall) ill if you eat so much.
22. What would have happened (happen) if the door had not been opened?
23. If Chris asked you for a cigarette, would you give (you, give) him one?
24. If you bought (buy) that big car, you would need a lot of money.
25. Would you change (You, change) the colour of your hair if I asked you to do so?
26. If you give me the letter, I will post (post) it for you.
27. Would you have posted (You, post) the letter if I had given it to you?
28. If the weather is fine, I will go (go) swimming.
29. If you don't work (not work) harder, you won't pass the exam.
30. If they were (be) rich, they would travel around the world.
31. The children would go (go) skating if the lake were frozen.
32. What would you have done, if you had lost (lose) your handbag?
33. What will happen if you don't know (not know) the answer?
34. She would have gone (go) on holiday, if she hadn't been ill.
35. If I had noticed (notice) you, I would have said hello.
36. If I were (be) like you, I wouldn't watch such films.
37. If you opened your eyes, you would see (see) a wonderful world.
38. People will live (live) in peace if they stop fighting.
39. If Tom drinks so much,he won't be able drive (cannot drive) home.
40. If we didn't hurry (not hurry) we would miss the train.
41. He wouldn't spend (not spend) so much money if he weren't a happy person.
42. Would you have come (You, come), if you had had more time?
43. If Jim had studied (study) the new words he would have got a better mark.
44. If he were rich, he would buy(buy) the house.
45. If you don't hurry you will be (be) late.
46. If it wasn't so hot, we would play (play) football.
47. If I was/ were (be) ill, would you visit me?
48. If Sean had not driven (not be) driving so fast, the police would not have stopped him.
49. If I had sold my house, I would have got (get) 4 million pounds.
50. If I was/ were (be) you I would I would do it.