If clauses

CONDITIONAL SENTENCES
I – Give the correct verb tense form:
1. If I (see)……….him, I will give him a gift.
2. If I had a typewriter, I (type)…………..it myseft.
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 phone number, I’d give it to you.
6. I shouldn’t have believed it if I (not see)…….it with my own eyes.
7. If it (be) ___________ fine tomorrow, we (go) ___________ for a picnic.
8. What will happen if my parachute ( not,open) ___________.
9. Please don`t tell her anything if she (ask) ___________ you.
10. If you ( not, believe)__________ what I say, ask your mother.
11. I`ll look for your notebook and if I (find) ______________ it, I(phone) ______________ you .
12. Unless Tom (take) ______________ his library book back tomorrow, he (have) ______________ to pay a fine.
13. I (accept) ______________ it if they invite me to the party.
14. If the roofer doesn`t come soon, the rain (leak) ______________ inside.
15. Unless you (take) ___________ your parents` s advice, you (feel) ___________ sorry in the future.
16. Shout if you (see) ____________ something unusual.
17. If you (see) ___________ Tom, (tell) ___________ him I have a message for him.
18. If you’d like some ice, I (get) ___________ some from the fridge.
19. You can use my phone if yours ( not, work) ___________.
20. If Jack (not, help) ___________ , we’ll have (manage) ___________ without him.
21. I expect it will freeze tonight. If it ( freeze) ___________ tonight, the roads (be ) ___________ very slippery tomorrow.
22. If we (work) ______________ all night, we (finish) ___________ in time; but we have no intention of working all night.
23. If there (be) ___________ no water, we all (die) ____________ soon.
24. What (happen) ________________ if there (not be) ________________ gravity.
25. If she (be) ____________ at the top of the class this term, what would her father reward her?
26. If the sun (stop) __________ shining, the earth (be)__________ in complete darkness.
27. If I (know) that you were ill, I (go) to see you.
28. If she`d had enough, She (buy) a car.
29. I (buy) a car If you lend me some money.
30. I (see) him if I (go) to the party last night.
31. We could have gone out if the weather (not be) so bad.
32. If the book (not be ) expensive, I`ll buy it.
33. You would be very surprised if he (return)
34. I`ll go out if it (not rain)
35. They wouldn`t come to the party if you (not invite) them
36. What you (do) if you (be) him?
37. If you (arrive) ten minutes earlier, you would have got a seat.
38. He could get a job easily if he (have) a degree.
39. I shouldn’t have believed it if I (not see) it with my own eyes.
40. If she had asked you, you (accept)?
41. He might get fat if he (stop) smoking.
42. What you (do) if you found a burglar (kẻ chộm) in your house?
43. If she (not hurry), she may be late.
44. If I (try) again, I think that I would have succeeded .
45. If I tell you a secret, you (promise) not to tell it to any one else?
46. Tell him to ring me if you (see) him.
47. If you (speak) more slowly, he might have understood you.
48. If I (have)………………. a computer, I would get more work done.
49. We (go)……………… on the holiday if we afford it.
50. If you (not believe)…………………. what I say, please ask my mother

** Bài tập câu điều kiện: (conditional sentences )
Conditional Sentence Type I :