>>>>考試吧：2015年大學英語四級高級語法講義匯總

　　大學英語四級考試涉及的語法知識點多、涉及面寬，對不少考生來說都是一個難題。希望通過本專題的學習，考生能對四級語法有更全面的掌握。

　　英語四級高級語法：虛擬語氣

　　1. if 引導的虛擬語氣

　　2. 倒裝形式

　　Were I you (=if I were you) , I would get up early in the morning.

　　Had you arrived at the station ten minutes earlier yesterday(=If you had arrived…), you could have caught the train.

　　Should it rain (=If it should rain), the crops would be saved.

　　【2】饅頭面條原理

　　【3】固定句型

　　It is time that ...

　　Would rather that .....

　　(1).I would rather he came tomorrow than today.

　　(2).John would rather that she had not gone to the party yesterday evening.

　　(4).I would rather everything hadn' t happened in the past.

　　“It is (was)+形容詞(或過去分詞)+that……”結構中的虛擬語氣

　　1. It is necessary that we (should 可省略,下同)have a walk now.

　　2.It was necessary that we (should) make everything ready ahead of time.

　　3. It is required that nobody (should) smoke here.

　　4. It is important that every pupil (should) be able to understand the rule of school.

　　練習

　　1. He’ll be busy this afternoon. If he ___ free, he ___ to the cinema with you.

　　A.were to be; might go B. am going to be; will go

　　C.will be; might have gone D. is; will go

　　2. When Edison died, it was proposed that the American people _____ all power in their homes, streets, and factories for several minutes in honor of this great man.

　　A. turn off B. turned off

　　C. would turn off D. had turned off

　　3. Had I known her name, _____.

　　A. or does she know mine? B. and where does she live?

　　C. I would have invited her to lunch D. she would be beautiful

　　4. I’d rather you ______ by train, because I can't bear the idea of your being in an airplane in such bad weather.

　　A. would go B. should go

　　C. went D. had gone

　　5. The victim ________ (本來會有機會活下來) if he had been taken to hospital in time.

　　would have a chance to survive (06.12翻譯)

　　6. The professor required that ________ (我們交研究報告)。

　　we hand in our research report(s) (06.6翻譯)

　　7. If Sept. 11 had never happened, the airport workers would not have been arrested and could have gone on quietly living in America, probably indefinitely. (06.6閱讀)

　　8. W: What would you do if you were in my place?

　　M: If Paul were my son, I’d just not worry. Now that his teacher is giving him extra help and he is working hard himself, he’s sure to do well in the next exam.

　　Q: What’s the man’s suggestion to the woman?

　　13. A) Teaching her son by herself. C) Asking the teacher for extra help.

　　B) Having confidence in her son. D) Telling her son not to worry. (07.12)

　　1.You’d better take a sweater with you ________________ (以防天氣變冷)

　　in case it (should) turn cold. (08.12)

　　10. If she had returned an hour earlier , Mary (就不會被大雨淋濕了). 09.6

　　. wouldn’t have been caught by the rain

　　11. You would not have failed if you __________________________(按照我的指令去做).

　　had followed my instructions/orders (09.12)

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