最新if條件句講解及練習(xí)資料

1、if條件句講解及練習(xí)從句主句與現(xiàn) 在事 實(shí)相 反過去式（be用 were）would/should/could/might+ do與過 去事 實(shí)相 反過去完成 式would/should/could/might + have done與將 來事 實(shí)相 反should (were to)+動(dòng)詞原 形would/should/could/might + doIf I were you, I would not let out the secret.如果我是你的話，我不會(huì)泄露這個(gè) 秘密的。If I knew his new address, I would tell you.如果我知道他的新地址，我

2、會(huì)告訴 你的。If he studied harder, he would pass the exam.如果他學(xué)習(xí)再努力點(diǎn)的話，他會(huì)通 過考試的。If we had made fuller preparation, we should have won the game.如果我們做了更充分的準(zhǔn)備的話， 我們肯定就贏了這場(chǎng)比賽。If you had taken my advice, you wouldn t havbeeen late for the meeting.如果你聽了我的建議，你開會(huì)就不 會(huì)遲到了。If she were to/should come, I would tell her

3、 the secret.萬一她來的話，我會(huì)告訴她這個(gè)秘 密。（2）省略 if 的虛擬條件句在含有 were, had, 或者 should 等 詞的虛擬條件句中，可以省略 if, 將 were,had或者should這些助動(dòng)詞放在句首。 如：Were I you, I would not let out the secret.Had we made fuller preparation, we should have won the game.Had you taken my advice, you wouldn t have been latoerfthe meeting.Should sh

4、e come, I would tell her the secret.高一語法練習(xí)（四）預(yù)測(cè)、 if 條件句及 虛擬語氣一、單項(xiàng)選擇1. If I where he lived, I a note to him.A. know, would have sentB. had known, would have sentC. know, would sendD. knew, would have sent2. Mary is ill today. If she ,she absent from school.A. were not ill; wouldn t beB. had been ill;

5、 wouldn t have beenC. had been ill; should have beenD. hadn t been ill; could be3. He acted as if he everything in the world.A. knewB. knowsC. has knownD. wont know4. If you had enough money, what ?A. will you buyB. would you buyC. would you have boughtD. will you have bought5. If Mr. Young with jus

6、tice,he such a wrong thing.A. were treated; wouldn t doB. had been treated; wouldn t havedoneC. were treated; wouldnt have doneD. had been treated; wouldn t do6. What if there nolight during the day?A. will happen; wasB. would happen; isC. happens; wereD. would happen; were7. The spokesman acted tha

7、t way as if he anything about the accidentbut actually he did.A. doesnt hearB. didn t hearC. haven t heardD. hadn t heard8. If it not for the fact thatyou ill now, I would surely punishyou.A. is; areC. were; areB. were; wereD. was; were9. Many Chinese movie stars now have given up their Chinese nati

8、onality. If I were them, I that.A. shouldn t doB. didn t doC. hadn t doneD. won t do10. I want to get back by 5 oclockA. likely B. canC. possible D. probable11. It seemsas if it alreadysummer now but it is only February.A. is B. wasC. were D. had been12. If Henry had not pulled his cap low over his

9、brow, he by thepolice.A. might be recognizedB. might have been recognizedC. would have recognizedD. was to have been recognized13. There is a ring at the door. That be the postman, I suppose.A. willB. wouldC. is going to D. was going to14. Look at the dark clouds there be a storm.A. will B. must hav

10、e beenC. is going to D. would15. Why are you taking the pictures down?I the wall.A. paintB. have just paintedC. am going to paintD. will have painted16. Can I stay at home tomorrow?Yes, you can if it.A. will snowB. is going to snowC. snowsD. snowed17. I dontknow if he thisafternoon. But if he , I wi

11、ll tell you.A. will come; will do;B. comes; will doC. will come; doesD. comes; does18. I thought I asked you to fix the radio.Oh, I msorry. I itright away.A. am to doB. will doC. was about to doD. am going to do19. The WTO cantlive up to its name it does not include acountry that is home to one fift

12、h of mankind.A. as long asB. whetherC. if D. even though20. Ask him to ring me up if you him.A. seeC. would seeB. sawD. will see21. It so late. I dontthink he come.A. would B. shouldC. is going toD. shall22. If people polluting the air,animals and plants will die soon.A. don t stopB. didn t stopC. s

13、hall not stopD. haven t stopped23. If you an interesting dayout, the Science Museum.A. want; visitingB. want; visitC. want to; visitD. wanting; visit24. If the pure water is heated to100 centigrade degrees, it boil.A. is going to B. willC. would D. is to25. Is a dictionary available, so, where?A. if

14、B. if isC. and ifD. and if is二、翻譯句子26. 要是我哥哥在這兒，一切都沒 問題了。27. 如果下雨，莊稼就得救了。28. 如果你昨天早點(diǎn)來，你就碰見 他了。29. 他那樣對(duì)待我，好像我是他兒 子似的。30. 他們談話的樣子好像是多年的 朋友一樣。31. 我想今天下午不會(huì)下雨。32. 你下星期把車借給我行嗎？33. 發(fā)生的事我誰也不告訴。34. 我們不準(zhǔn)備在那里多呆。35. 我難受極了，我想我要生病了。Keys:15 BAABB 6 10 DDCAC 1115 CBACC 1620 CCBCA21 25 CABBC26. If my brother were here, everything would be all right.27. If it should rain, the crops would be saved.28. If you had come earlier yesterday, you would (might) have met him.29. He treats me as if I were his son.30. They are talking as if they had been