Câu điều kiện
​1. If you (not go/ don't go/ hadn't gone/ didn't go) away, I'll send for a policeman
2. If I ( were/ am/ be/ was) in your place, I would accept Mr. Anderson's invitation
3 If I (win/ had won/ won/ winning) a big prize in a lottery, I'd give up my job
4. If I (is/ am/ was/ were) you, I (Will tell/ told/ would tell/ would have told) the truth
5. I was busy. If I (have/ had/ had had/ have had) free time, I (would go/ will go/ would have gone/ go) to the cinema with you
6. Why didn't you attend the meeting? Oh, I did not know. If I(know/ knew/ had known/ known), I (would come/ would have come/ will come/ had come) there
7. What (would/ will/ did/ had) we do If they do not come tomorrow?
8. If I had enough time now, I (would write/ write/will write/ wrote)
9. It's too bad Helen isn't here. If she (is/was/ were/ are) here, she (will know/ knows/ would know/ would have know) what to do
10. If I don't eat breakfast tomorrow morning, I (will get/ got/ would get/ had got) hungry during class
11. If she (come/ comes/ came/had come) late again, she'll lose her job
12. I'll let you know If I (find/ finds/ found/ had found) out what happening
13. If we (live/ lived/ would live/ had lived) in a town, life would be better
14. I'm sure he wouldn't mind if we (arrive/ arriving/ arrived/ had arrived) early
15.We (will phone/ would phone/ phoned/ had phoned) you if we have time
16.If I won the lottery, I (gave/ had given/ will give/ would give) you half the money
17. It (will/ would/ can/ may) be a pity If she married Fred
18.If I'm free on Saturday, I (to go/ could go/ went/ can go) to the mountains
19. She ( will has/had/ will have/ have) a nervous breakdown If she goes on like this
20. I know I'll fell better If I (will stop/ stoped/ stop/ had stoped) smoking
21. If I (am/ were/ will be/ had been) you, I would help him
22. I could have understood him if he (speak/ spoke/ had spoken/ would speak) moreslowly
23.He didn't listen to the teacher. If he ( listens/ listened/ had listened/ has listened) carefully, he (will performed/ would perform/ would have performed/ had perfoemed) wellin the examination
24. He's waiting for his mother to come back from Chicago. If his mother (come/ comes/ will come/ came) home, he (will has/ will have/ has had) a lot of presents
25.He wanted to buy some Christmas presents but he couldn't. If he (afforded/ affords/ had afforded/ would afford) to buy, his children ( are/ were/ would have be/ would have been) very happy to greet a new year
26. The kitchen will look better if we (have/ had/ had had/ would have) red curtains
27. If I knew hid address, I (go/ will go/ would go/ went)round and see him
28. If you ( hadn't been/ weren't/ aren't/ wouldn't be) so busy, I would have shown you how to play
29. It (will be/ would be/ were/ been) quicker if you use a computer
30. If we have some eggs, I (made/ makes/ will make/ would make) you a cake