1、1,Leaning aims 教學(xué)目標(biāo),一、深入了解，掌握虛擬語氣 二、團(tuán)結(jié)互助，積極主動(dòng)，勇于展現(xiàn)自 我,2,英語動(dòng)詞有 種語氣 陳述語氣 祈使語氣 虛擬語氣,用來表示說的話不是事實(shí)，或者是不太可能發(fā)生的情況，而是一種愿望，建議，假設(shè)的語氣叫虛擬語氣。,三,3,虛擬語氣的考點(diǎn) 1、條件句中的虛擬語氣的用法； 2、條件句中虛擬語氣的倒裝； 3、名詞性從句中虛擬語氣的用法； 4、幾種特殊結(jié)構(gòu)中虛擬語氣的用法; 5、虛擬語氣時(shí)態(tài)的判定。,4,if引導(dǎo)的虛擬條件句,5,虛擬語氣,例句 If you had come a few minutes earlier, you would have met

2、him. 要是你早來幾分鐘的話，你就能見到他了。(與過去事實(shí)相反) 2. If it were sunny tomorrow, I would come to see you. 明天要是天氣好的話，我來看你。(與將來事實(shí)可能相反) 3. If I were you, I would go at once. 假如我是你的話，我會(huì)馬上走。(與現(xiàn)在事實(shí)相反，事實(shí)上我不可能是你),虛擬語氣在 在條件從句中,6,主從句的謂語形式,時(shí)間,If 從句的謂語形式,主句的謂語形式,現(xiàn)在,過去,將來,did / were,had done,would/could/should/might +V.(原),would

3、/could/should/might+have+p.p.,1. did / were 2. should do 3. were to do,would/could/should/might + V.(原),7,If + 主 + did(were), 主+would/should/could/might +動(dòng)詞原形,If I were you, I would try it again.,1. 如果我是你，我會(huì)再試一次。,2.如果我有一百萬美元，我會(huì)買下這架飛機(jī)。,If I had one million dollars, I would buy the plane.,與現(xiàn)在事實(shí)相反的虛擬條件

4、句,8,If +主 +had done sth, 主+would/should/could/might +動(dòng)詞完成式（have done）,If he had worked hard, he would have passed the examination.,1.如果他努力學(xué)的話，他就通過這次考試。,If I had married her, I would have been unhappy.,2.要是當(dāng)時(shí)我和她結(jié)了婚的話，那我是很不幸的。,與過去事實(shí)相反的虛擬條件句,9,名詞性從句中的虛擬語氣及幾種虛擬語氣特殊句型,10,二、虛擬語氣在名詞從句中的運(yùn)用,（1）用于賓語從句,、wish 后

5、面的賓語從句中。 一般用虛擬語氣，表示一種不可能實(shí)現(xiàn)的愿望。其謂語動(dòng)詞形式為：,表現(xiàn)在 過去時(shí) 表過去 過去完成時(shí) 表將來 would, might, could動(dòng)詞原形,I wish (that) I were a bird. I wish (that) I had seen the film last night. I wish (that) I wouldcould go.,11,2.表示要求,命令,建議的虛擬語氣,一個(gè)堅(jiān)持，兩個(gè)命令， 三個(gè)建議，四個(gè)要求 1.insist 2. order, command 3. advise, suggest, propose (advice, su

6、ggestion, proposal ) 4. demand , require, request, desire 這些詞引導(dǎo)的名詞性從句要使用虛擬語氣。 即從句中的動(dòng)詞使用should + 動(dòng)詞原形， 或者將should省略。,12,3. would rather + 從句 動(dòng)詞用過去式或過去完成時(shí),I would rather you told me the truth. I would rather you had gone there last Sunday.,4. as if ( as though) 看起來 常用虛擬形式，即表示與現(xiàn)在事實(shí)相反，用過去式；與過去事實(shí)相反用過去完成式

7、(had done).,He treats /treated the boy as if he were his own son.,He speaks/ spoke as if he had known about it,13,四 情態(tài)動(dòng)詞+ have done could have done 本來可以- - - might have done 本來可能 - - - should / ought to have done 本來應(yīng)該做 - - - shouldnt / ought not to have done 本不該做 - - 你本不應(yīng)該告訴她真相。 You shouldnt have to

8、ld her the truth . neednt have done 本不必做 - - - 比較：didnt need to do 沒必要做也沒有做 - - - 我沒必要擦窗戶。我兄弟做了 I didnt need to clean the windows . My brother did it. would have done 本來會(huì)去做-,我沒有足夠的錢否則我會(huì)買那本書的,I didnt have enough money, otherwise I would have bought that book.,14,5. He is talking so much about America

9、 as if he _ there. had been B. has been C. was D. has gone 6. The young man insisted that he _ nothing wrong and _ free. A. did; set B. had done; should be set C. should do; be set D. had done; must be set 7. Had you listened to the doctor, you _ all right now. are B. were C. would be D. would have

10、been 8. You _ come earlier. The bus left a moment ago. A. would B. should have C. may D. have,B,B,c,A,15,Homework,1.Finish the Exercise 1 and 2 after class 2.Preview Period 4,16,Thank you,17,非真實(shí)條件句中的條件從句有時(shí)不表出來，只暗含在上下文中，這種句子叫做含蓄條件句。含蓄條件句大體有三種情況:,18,1. 條件暗含在短語中。如：,W hat would I have done without you?

11、(條件暗含在分詞短語without you中),It would be easier to do it this way. (條件暗含在不定式短語to do it this way 中),But for your help we couldnt have succeeded in the experiment. (暗含條件是but for your help),19,This same thing, happening in wartime, would lead to a disaster. (條件暗含在分詞短語happening in wartime中),He must have the

12、strength of a hippopotamus, or he never could have vanquished that great beast. (暗含條件是連詞or),Alone, he would have been terrified. (暗含條件是alone),20,2. 條件暗含在上下文中。如：,You might stay here forever. (可能暗含if you wanted to) We would have succeeded. (可能暗含if we had kept trying) Your reputation would be ruined. (可能暗含if you should accept it) I would appreciate a little of your time. (可能暗含if you were so kind as to give me a little of your time),21,3. 在不少情況下，虛擬式已變成習(xí)慣說法，很難找出其暗含的條件。如： You wouldnt