講解最清晰最全的-虛擬語氣課件

1、語法第一講虛擬語氣1. Theyweremarriedinstrict_(private).2. His_(determine)toretiresruprisedusall.3. Itis_(doubt)thebestFrenchfilmthisyear.4. Aforeign_(address)inChinawillbeannoyedifheisgreetedwith“Whereareyougoing?”5. Teachersshouldntbe_(mechanical)minded.6. Existingmethodsofproductionareexpensiveand_(efficie

2、nt).7. Toavoid_(confuse),thetwinsneverwearthesameclothes.8. Idont_(whole)believewhathehassaid.9. _(fluent)shouldbegivenenoughattentioninforeignlanguageteaching.10. A_(psychology)issomeonewhostudiesthehumanmind,humanemotionsandhumanbehavior.虛擬語氣是一種表示非真實情況或主觀設想的動詞形式，用來表示說話人的愿望、假設、懷疑、猜測、建議等含義。按照不同的時間，主

3、句、從句中的動詞的形式發(fā)生變化。千錘百煉1. If I _ (be) you, I would go with him.(現(xiàn)在) 如果我是你，我就和他一塊兒去。2. If we _ (invite) him, he wold have come. (過去)要是我們邀請了他，他是會來的。（事實是）3. If I _ (have) time, I could come to help you. (將來) 如果我有時間，我會來幫助你的。（但有時間的可能很?。┤绻麠l件從句中包含有were，had, should等詞時，可以把if省略，但要把were, had, should等放在主語前面。Had th

4、ey realized how important the task was, they wouldnt have refused to accept it. 如果他們認識到這個任務是多么重要的話，他們就不會拒絕接受它了。=If they had realized how important If it were not for their assistance, we should be in serious difficulty.要不是他們協(xié)助，我們會陷入困境。=Were it not for their assistance,注1. Were it not for the snowy w

5、eather, we _ all right.A. would be B. would have been C. were D. may be2. _ more careful, his ship would not have sunk.A. If the captain were B. Had the captain been C. Should the captain be D. If the captain would have been3. The millions of calculations involved, had they been done by hand, _ all

6、practical value by the time they were finished.A. could lose B. would have lost C. might lose D. ought to have lost 有時，條件從句表示的動詞和主句表示的動作發(fā)生的時間不一致，這時，動詞的形式要根據(jù)表示的時間來調整。這種句子被稱為錯綜時間條件句。If you had followed my advice, you would not be in trouble now. (從句表示過去，主句表示現(xiàn)在)如果你早聽了我的建議，你現(xiàn)在就不會有麻煩了。注二、虛擬語氣在某些從句中的應用1.

7、由wish引導的賓語從句時間賓語從句的謂語動詞wish表示對現(xiàn)在的愿望過去時（be是were）wish表示對將來的愿望would, could, might+動詞原形wish用于表示對過去的事實一種不可能實現(xiàn)的愿望had+動詞過去分詞或could, would+have +動詞過去分詞1. I wished that John _ a year in Africa, but he stayed there only for three months. A. spends B. spent C. would have spent D. will spend E. could have spent

8、 F. had spent2. I wish that I _ with you last night. A. went B. have gone C. could go D. could have gone1. Most insurance agents would rather you _ anything about collecting claims until they investigate the situation.A. do B. dont C. didnt D. didnt do2. Id just as soon _ rudely to her.A. that you w

9、ont speak B. you not speaking C. you not speak D. you didnt speak 3. Its (high, about) time that從句中要求用虛擬語氣形式，即動詞要用過去時It is high time that the government _ measures to protect the rare birds and animals.A. takes B. took C. has taken D. taking4. 由連接詞in case, lest, for fear that 引導的狀語從句中，謂語動詞要用虛擬語氣，即sh

10、ould+動詞原形，should 可以省略。She put a blanket over the baby for fear that he _ (catch) cold.她給那個嬰兒蓋上了毯子，以免他著涼。The bad man was put in the soft-padded cell lest he should injure himself.這個壞人被關在設有軟墊的牢房里，以免他傷害自己。Hes working hard for fear that he _.A. should fall behind B.fell behind C. may fall behind D. woul

11、d fall behind5. 虛擬語氣用于as if (though) 引起的方式狀語從句和表語從句中，其動詞形式與wish賓語從句的形式相同。They talked as if they _ (be) friends for years.他們交談著，就好像他們是多年的老朋友一樣。She looks as if she would cry. 她看起來好像要哭了。She talks about literacture as if she _knew_ (know) everything.He speaks Chinese as fluently as if he _ a Chinese.A.

12、were B. had been C. is D. has beenI propose that we _ (set) a deadline for handing in the plans.我建議定一個交計劃的期限。He insisted that we _ (take) up the matter at the meeting.他堅持要我們在會上談論這個問題。The teacher suggested that her students _ experiences in English.A. write a composition about their B. to write compo

13、sition about the C. wrote some composition of his or herD. had written any composition for hisIt is essential that he (should ) be prepared for this.他為此組好準備是必要的。It is requested that Mr. Li _ (give) a performance at the party.有人請求李先生在會上表演一個節(jié)目。It is important that the TOEFL office _ your registration.

14、 A. will confirm B. confirm C. confirms D. must confirm It is appropriate that some time _ thorough study of the results of the Apollo mission. A. devotes to B. devoted to C. is devoted to D. be devoted to This is their resolution that extra-curriculum activities _ (make) part of their school life.這

15、是他們的決議：要使得課外活動成為學校生活的一部分。Your advice that _ till next week is reasonable. A. she waits B. she wait C. wait she D. she waited三、含蓄虛擬條件句含蓄條件句是指句中沒有明顯的虛擬條件句，而是利用其他手段來暗示存在虛擬條件，但是這類隱含式虛擬條件句中往往都可以轉化為if引導的條件句。常用來表示含蓄虛擬條件的手段有：1. 介詞或介詞短語，如but for, but that, without, under more favorable condition等。But for the

16、 leadership of the party, we could not be living happily today.如果沒有黨的領導，今天我們就不能過上幸福的生活。=If there were not the leadership of the party, we could not be living happily today.Without music, the world would be a dull place.如果沒有音樂，世界會很沉悶。If there were not the music,3. Without electronic computers, much o

17、f todays advanced technology _. A. will not have been achieved B. have not been achieved C. would not have been achieved D. had not been achieved2. 通過上下文及內在含義，句中往往有but, otherwise, unfortunately等類似轉折詞。1. He worked very hard, otherwise he _ (fail). 他非常努力，不然的話，早就失敗了。2. He was very busy yesterday, otherwise he _ to the meeting. A. would come B. came C. would have come D. had come3. 分詞短語Born ten days ealier, the boy could