虚拟条件句练习.doc

_虚拟条件句在英语中，语气是动词的一种形式，用来表示说话人的意图或态度。英语的语气有三种：_语气（表示所说的话是事实），_语气（表示所说的话是请求或命令）_语气（表示所说的话只是一种主观的愿望或假设或建议等）。如果所表示的条件是真实的，或者完全有可能实现的，叫真实条件句，主句和从句的谓语都用陈述语气。如果所表示的条件不可能实现或者实现的可能性很小时，叫非真实条件句，主句和从句的谓语要用虚拟语气。（1）含if的虚拟条件句从句主句与现在事实相反与过去事实相反与将来事实相反练习：1.If I _(be) you, I _(tell) them the truth. 如果我是你的话，我就会把真相告诉他们。 2.If I_(get) the information, I_(let) you know first. 如果我知道这个情况的话，我会第一个告诉你。 3.If we_(have) enough money, we _(buy)the house. 如果我们有足够的钱的话，我们就买下那座房子了。 4.If she _(come), what _(say) to her? 万一她来了，我该怎么对她说呢？ 5.If you dont hurry, you_(be) late for school.（2）省略if的虚拟条件句在虚拟条件句中，如果有were，had，或should，就可以省略if，把这些助动词放在句首。练习：改写下面句子，省略句中if1.If I were you, I would tell them the truth. 2.If we had had enough money, we would have bought the house. 3.If she should come, what should I say to her?能力训练1. If I _ him yesterday，I _ him about it.A. saw; would ask B. had seen; would have asked C. had seen; would askD. saw; would have asked2. What do you think would happen if there _ no light during the night?A. is B. will be C. were D. would be3. If her lawyer _ here last Sunday, he _ her from going.A. had been; would have preventedB. had been; would preventC. were; would prevent D. were; would have prevented4. If it had not been for the liberation, no changes _ place in my hometown.A. would have takenB. would have been taken C. will take D. will be taken5. _ late tomorrow, who would take her place?A. Should Miss Green come B. If Miss Green would comeC. Miss Green should come D. If Miss Green comes6_ it _, the crops _ be saved.A. Had; rained; could B. Should; rain; would C. If; rains; shouldD. Would; rain; should7. If we _ yesterday, we _ the work.A. werent interrupted; would finishB. didnt interrupt; would have finishedC. hadnt interrupted; had finishedD. hadnt been interrupted; would have finished8. _, he would have succeeded in the examinations.A. If he has worked hardB. If he works hardC. Had he worked hard D. Were he worked hard9. Can I stay at home tomorrow? Yes, you can if it_.A. will snow B. is going to snow C. snows D. snowed10I dont know if he _ this afternoon. But if he _, I will tell you.A. will come; will do; B. comes; will doC. will come; does D. comes; does11. Ask him to ring me up if you _ him.A. see B. saw C. would see D. will see12. If people _ polluting the air, animals and plants will die soon.A. dont stop B. didnt stopC. shall not stopD. havent stopped13. Ill go shopping with you if you _ wait.A. will B. would C. should D. are going to答案：（1）含if的虚拟条件句从句主句与现在事实相反过去式（be 用were）would/should/could/might+ do与过去事实相反过去完成式would/should/could/might + have done与将来事实相反should (were to) +动词原形would/should/could/might + doIf I were you, I would tell them the truth. 如果我是你的话，我就会把真相告诉他们。If I got the information, I would let you know first. 如果我知道这个情况的话，我会第一个告诉你。If we had had enough money, we would have bought the house. 如果我们有足够的钱的话，我们就买下那座房子了。If she were to/should come, what should I say to her?万一她来了，我该怎么对她说呢？（2）省略if的虚拟条件句在虚拟条件句中，如果有were，had，或should，就可以省略if，把这些助动词放在句首。Were I you, I would tell them the truth