虛擬語氣經(jīng)典講解ppt課件

1、,虛擬語氣講解 課件,1.英語動詞有三種語氣， 陳述語氣，祈使語氣和虛擬語氣.2. 定義：用來表示說的話不是事實，或者是不可能發(fā)生或可能性比較小的情況，而是一種愿望，建議，假設(shè)的語氣叫虛擬語氣。,虛擬語氣定義,虛擬語氣的考點 1、一般條件句中虛擬語氣的用法；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、狀語從句中虛擬語氣的用法；5、幾種特殊結(jié)構(gòu)中虛擬語氣用法；6、虛擬語氣與陳述語氣的判定。,,一

2、般條件句中虛擬語氣的用法,,,,1.一般條件句中的虛擬語氣,1. If I had HIV, I would know because I would feel sick.2. If I were you, I would give AIDS patient a hug.3. If I had taken your advice, I wouldn’t have made a mistake.4. If he had been

3、there, it wouldn’t have happened.,,,與現(xiàn)在事實相反,與過去事實相反,2、條件句中虛擬語氣的倒裝； 假設(shè)條件虛擬倒裝。 條件從句中含有 should，were， had 三個助動詞并且放在句首時，可以把if省略。If I were you, I would give it up.Were I you, I would give it up. If I had had time,

4、 I would have run round that lake again.Had I had time, I would have run round that lake again.If there should be a flood, what should we do? a flood, what should we do?,,,,,,Shoul there be,3.

5、 混合(時間錯綜)型虛擬語氣：,假設(shè)條件從句謂語動詞發(fā)生的時間與主句所假設(shè)的謂語動詞不一致，叫做錯綜條件虛擬語氣。主句和從句的謂語動詞要依照假設(shè)的時間而定。If the weather had been finer, the crops would be growing still better.If you had followed the teacher’s advice, you wouldn’t be in the hosp

6、ital.,,,,,without和but for 構(gòu)成虛擬。(but for要不是),Without sunlight, people’s life would be different from today. But for your help, I wouldn’t have finished the work.But for water, it would be impossible to live in the deser

7、t.,4. 含蓄虛擬條件句：,5. 虛實結(jié)合條件句。 She wasn’t feeling very well. Otherwise she wouldn’t have left the meeting so early. He telephoned me to inform me of your birthday, or I would have known nothing about it. I shoul

8、d have returned the book last week, but I was so busy that I forgot to do so. He could have done the work well, but he was so careless.,,,,,,,真實語氣 + otherwise/or + 虛擬語氣,虛擬語氣 + but + 真實語氣,,名詞從句中虛擬語氣的用法,1）wish引導的賓語從句,w

9、ish,,現(xiàn)在：過去：未來：,過去時 (did/were),過去完成時 (had done),would/could/might+V. should,I wish I were a bird. (現(xiàn)在)I wish I hadn’t made such a mistake. (過去)We wish our parents wouldn’t punish us. (未來),,,,2）主要是表示堅持，命令、要求、建議的虛擬語氣

10、。一個堅持：insist兩個命令：order, command 三個建議：advise, suggest, propose四個要求：demand , require, request, desire,這些動詞后面的賓語從句要使用虛擬語氣用法。即從句中的動詞 使用should + 動詞原形，或者將should省略。,我們建議Tom去休息一下。他堅決要求我到場。國王命令囚犯明天要實施死刑。他們要求我們派他們?nèi)ツ莾汗ぷ鳌?We

11、 suggested that Tom (should) have a rest.,He insisted that I (should) be present.,The king ordered that the prisoners (should) be killed the next day.,They requested that we (should) send them to work there.,以上動詞相應的名詞構(gòu)成的

12、名詞性從句（包括主語從句，表語從句和同位語從句）也要使用虛擬語氣。從句中的動詞形式一樣。 order, advice, suggestion, proposal, demand, request, desire,It’s suggested that the plan be carried out.My demand is that she should come to see me once a week.All of us

13、 are for the advice that the chemical factory should be closed down.,2. 主語從句1）It’s necessary /strange/ natural/ important + that --- 從句中的動詞要用虛擬，即(should)+動詞原形,1.It is important that we ( should ) master a foreign langua

14、ge.2. It is strange that she refuse to come to the party.3. It’s necessary that we should study hard.,2）It’s a pity/ no wonder… + that --- 從句中的動詞要用虛擬，表示驚訝，遺憾，惋惜等感情色彩，即should+動詞原形,1.It is a pity that she should refuse

15、to accept the offer.2. It is no wonder that John should have won the game.,名詞性從句中的虛擬語氣　 A、賓語從句中的虛擬語氣　在動詞 suggest, order, demand, request, desire, insist, require, decide, determine, advise, recommend, deserve (值得提及

16、) 后需用 should 型的虛擬語氣。,考題點擊：The teacher demanded that the work _____ before 4 o’clock. A. finished B. be finished C. should finish D. finish2. --- What did the doctor say about your mother’s illness? ---

17、He suggested that she _____ an operation at once. A. must haveB. hadC. have D. had had,B,C,B、主語從句中的虛擬語氣　基本句型：It is suggested, ordered, proposed, required, demanded, requested, insisted； + (should) do It is

18、 important, necessary, natural, desirable, strange, advisable, imperative… It is a pity, a shame, no wonder,考題點擊：1. Is it necessary that he _____ the examination? A. takesB. has to takeC. must takeD. take2. It

19、is strange that he _____ you this. A. would tell B. should tell C. had told D. has told,D,B,C、表語從句和同位語從句中的虛擬語氣　 在 suggestion, proposal, idea, plan, order, advice 等名詞后面的表語從句、同位語從句中要用虛擬語氣，即（should）+動詞原形。My

20、idea is that we (should) get more people to attend the conference.I make a proposal that we (should) hold a meeting next week.,考題點擊：His suggestion that you _____ once more sounds reasonable. A. try B. tries

21、C. must try D. can try,A,,狀語從句中虛擬語氣的用法,1）as if /as though,,現(xiàn)在：過去：,過去時,過去完成時,He looks as if he were drunk.,They talked as if they had been friends for years.,,She loves the baby as if it were her own son.It seem

22、s as if it were spring.I remember the whole thing as if it had happened yesterday.,2）in case, for fear that, lest等引導的虛擬語氣,,1. He took his raincoat with him in case it should rain.2. I will not make a noise for fear tha

23、t I should disturb you.,,常用虛擬語氣的句型,1. would rather that -,,現(xiàn)在：過去：未來：,I would rather you paid me now. (現(xiàn)在),I would rather you had gone, too. (過去),,Don’t come. I would rather you came tomorrow. (未來),過去時,過去時,過去完成時,2. If o

24、nly …(要是…就好了) If only I knew his name!If only we had followed your advice!If only I could see him again!,要是我們的父母能和我們住在一起就好了。要是我沒錯過火車就好了！,If only our parents could live with us!,If only I hadn’t missed the train!,3. I

25、t’s high time +that -,,should +V.,過去時,你該走了。,我們該睡覺了。,It’s high time that you went.It’s high time that you should go.,It’s time that we went to bed.It’s time that we should go to bed.,經(jīng)典題目1. If you _____ him yesterday,

26、you _____ what to do now. asked … would know had asked … would have knownC. asked him … know D. had asked … would know2. What would have happened, _____ as far as the river bank? A. Bob had walked farther B. if

27、 Bob should walk farther C. had Bob walked farther D. if Bob walked farther,C,D,3. How I wish every family _____ a large house with a beautiful garden! (02 上海) A. hasB. hadC. will haveD. had had4. When a pencil

28、is partly in a glass of water, it looks as if it ____. (95 N) A. breaksB. has broken C. were broken D. had been broken,B,C,陳述語氣與虛擬語氣典型例題5) The volleyball match will be put off if it _____.　 A.　will r

29、ain　 B. rains　 C. rained　 D. is rained6) --- Would you have called her up _____ possible? --- Yes, but I _____ busy doing my homework. A. had it been … was B. if it was … were C. if it had been … had b

30、een D. if it were … would be,B,該句為陳述語氣，因為主句用的是 will be put off。真實條件句主句為將來時，從句用一般現(xiàn)在時代將來時。,問句中用的是虛擬語氣，主句用 would have called, 從句中與過去相反的動詞形式為 had done；答句中表示的是真實的情況，所以該用陳述語氣。,A,高考題點擊7) You didn’t let me drive. If we ____ in

31、 turn, you ____ so tired. A. drove…didn’t getB. had driven…wouldn’t have got C. drove…wouldn’t get D. were driving…wouldn’t get 8) It is hard for me to imagine what I would be doing today if I _____ in love

32、, at the age of seven, with the Melinda Cox Library in my hometown.　(02 上海) A. wouldn’t have fallen B. had not fallen C. should fall D. were to fall,前句用的是陳述語氣，表示過去發(fā)生的事；后句是虛擬語氣，表示與過去相反。,B,B,該句主句中用的是

33、與現(xiàn)在相反的虛擬語氣，而從句中使用的是與過去相反的虛擬語氣。全句意思為“如果我不在七歲時迷上了我們家鄉(xiāng)的 Melinda Cox Library，我真不能想象我今天會做什么。”,.,９- Do you mind if I leave the window open? - Well, I’d rather you _____ . A. don’t B. didn’t C. won’t

34、 D. mustn’t10. It’s half past eleven. It’s high time _____ home. A. we’ll B. we’d C. we’re going D. we went,B,D,11. Jack ____ yet, otherwise he would have phoned me. (N 97) A. mustn