.
I/Chia động từ trong ngoặc.

1. If I (know)…………………………. that you were ill, I (go)……………………… to see you.
2. If she'd had enough money, She (buy) …………………………… a car.
3. I (buy) ……………………………………….. a car If you lend me some money.
4. I (see) …………………………… him if I (go) …………………………. to the party last night.
5. We could have gone out if the weather (not be)……………………………………… so bad.
6. If the book (not be )…………………………… expensive, I'll buy it.
7. You would be very surprised if he (return)………………………………
8. I'll go out if it (not rain)……………………………….
9. They wouldn't come to the party if you (not invite) …………………………………..them
10. What ……………………………… you (do) ……………………. if you (be) ………………….. him?
11. If that hat costs much, I (buy) ……………………………. a small one.
12. If you (drive) ……………………...more carefully, you (have) ………………………… so many accidents.
13. If I (make) …………………………….. that mistake again, my teacher (get) ……………………… angry with me.
14. If I spoke English, my job (be) …………………………….. a lot easier.
15. If he (go) ……………………………….. toLondonyesterday, he ( meet) ………………………………. his old friend.
16. I will lend them some money if they (ask) …………………………….. me.
17. If we had known who he was, we (invite) ………………………….. him to speak at our meeting.
18. My dog (bark) …………………………… if it (hear) ………………………….. any strange sound.
19. If I (have) ………………………….. enough money, I would buy a house.
20. They (not/let) …………………………… you in if you (come) late.
21. If you (not go) ……………………………….. away, I (send) ……………………………… for a policeman.
22. If I (be) ………………………………… in your place, I (accept) ………………………………… Mr. Anderson’s invitation.
23. If I (win) ……………………………. a big prize in a lottery, I’d give up my job.
24. If I (be) ……………………………….. you, I (tell) …………………………… the truth.
25. I was busy. If I (have) …………………………..free time. I (go) ……………………………. to the cinema with you.
26. Why didn’t you attend the meeting?
    Oh, I did not know. If I (know)……………………… I (come) ……………………..there.
27. What ……………….we(do)……………………� �� if they do not come tomorrow?
28. If I had enough time now, I (write) ………………………………. to my parents.
29. It’s too bad Helen isn’t here. If she (be) ………………………….. here, she (know) …………………..what to do.
30. If I (eat) …………………………… breakfast tomorrow morning, I (get) …………………………. hungry during class.
31. If she (come) ……………………………….. late again, she (lose) ……………………………her job.
32. I (let) ……………………………. you know if I (find) ……………………………………. out what’s happening.
33. If we (live) ………………………………. in a town, life would be better.
34. I’m sure he wouldn’t mind if we (arrive) ……………………………. early.
35. We (phone) ……………………………………. you if we have time.
36. If I won the lottery, I (give) ………………………………. you half the money.
37. It (be) …………………………………….. a pity if she married Fred
38. If I’m free on Saturday, I (go) ………………………….. to the mountains.
39. She (have) …………………………….. a nervous breakdown if she goes on like this.
40. I know I (feel) better if I (stop) …………………… smoking.
41. If I (be) …………………… you, I (help) ………………………… him.
42. I (understand)………………………………�� �….. him if he (speak) …………………………….. more slowly.
43. He didn’t listen to the teacher. If he (listen) ………………………….. carefully, he (perform) ………………………………… well in the examination.
44. He’s waiting for his mother to come back fromChicago. If his mother (come) …………………………. home, he (have) ……………………………………. a lot of presents.
45. He wanted to buy some Christmas presents but he couldn’t. If he (afford) …………………………….. to buy, his children (be) ……………………………. very happy to greet a new year.
46. The kitchen will look better if we (have) ………………………………….. red curtains.
47. If I knew his address, I (go) ……………………….. round and see him.
48. If you (not be) ……………………. so busy, I (show) ………………………… you how to play.
49. It (be) ………………………………… quicker if you (use) a computer.
50. If we (have) ………………………………….. some eggs, I (make) ………………………………… you a cake.
51. Bring him another if he (not/like) ……………………………….. this one.
52. She (be) …………………………. angry if she (hear) …………………………. this tomorrow.
53. Unless you are more careful, you (have) …………………………….. an accident.
54. If you (like), I (get) …………………………………. you a job in this company.
55. If grandmother (be) ……………………….. 5 years younger, she (play) ………………………… some games.
56. If he sun (stop) …………………………… shinning, there (be) ………………………………………… no light on earth.
57. If I (be) ………………………………… a millionaire, I (live) ……………………. on Mars.