1、如果我有一千萬，我就能買一棟房子。我有一千萬嗎？沒有。所以我仍然沒有房子。如果我有翅膀，我就能飛。 我有翅膀嗎？沒有。 所以我也沒辦法飛。 如果把整個太平洋的水倒出，也澆不熄我對你愛情的火。 整個太平洋的水全部倒得出嗎？不行。所以我并不愛你。 痞子蔡第一次親密接觸_虛擬語氣一二三虛擬語氣一二三 虛擬語氣表示說話人的愿望、假設、猜測或建議，而不表示客觀存在的事實。虛擬語氣通過謂語動詞的特殊形式來表示。 時時 間間從句謂語形式從句謂語形式主句謂語形式主句謂語形式 與現在事實現在事實 相反相反 did (be 用用were)would / could / might / should + do 與過

2、去事實與過去事實 相反相反had +donewould / could / might / should have + done 與將來事實與將來事實 相反相反did(were)should + dowere to + dowould / could / might / should + do退一步退一步 海闊天空海闊天空 一一 “表表” 1.This printer is of good quality. If it _ break down within the first year, we would repair it at our expense.A. would B. should

3、 C. could D. might2.If the parents _at the hospital earlier after the accident, the child would have been saved.A. arrives B. arrive C. had arrived D. has arrived1.If you had taken my advice ,you wouldnt have failed inthe exam. Had you taken my advice, you wouldnt have failed in the exam.2.If he wer

4、e in the room now, he wouldnt feel so cold.Were he in the room now, he wouldnt feel so cold.3.If I should have time ,I would go with you. Should I have time, I would go with you(省省if)倒裝條件句倒裝條件句Step 1、觀察思考。、觀察思考。小結小結.當條件句中有_，_或_時，可省略_,把這三個詞提到句首。Eg: If I were not so busy, I would go with you.werehad(

5、(助動詞助動詞)shouldif注意注意：若條件：若條件從句從句為為否定句否定句，否定詞應，否定詞應位于主語之后。位于主語之后。Were I not so busy, I would go with you.Step 2Step 2、運用規律（將以下句子改為省略、運用規律（將以下句子改為省略ifif的倒裝條件句）的倒裝條件句） If I were at school again, I would study harder._ If you had come earlier, you would catch the bus._ If I were not to have a test, I wo

6、uld go to the concert tonight._Were I at school again, I would study harder. Had you come earlier, you would catch the bus.Were I not to have a test, I would go to the concert tonight.含蓄條件句：含蓄條件句： But for your help, we couldnt have succeeded. Without air, we would not live even for five minutes. 以上句

7、子中虛擬條件沒有使用從句，而是通過_短語來表示，這種句子叫做_。這種句子往往是有主句而無從句。有主句而無從句。可用于這種句式的介詞或連詞_/_/or/_等。含蓄條件句含蓄條件句but forwithoutotherwise做題關鍵：做題關鍵：通過句意判斷準對什么時間的虛擬，然通過句意判斷準對什么時間的虛擬，然后選擇出正確的動詞形式。后選擇出正確的動詞形式。介詞介詞想一想Without air, we would not live even for five minutes. _,we would not live even for five minutes. But for your help

8、, we couldnt have succeeded.=_, we couldnt have succeeded.If there were no airIf you hadnt helped usBut for John, we _ the match last week. A. would have lost B. would lose C. had lost D. lostPractice:Practice:would have lost He hesitated for a moment before kicking the ball, otherwise he _ a goal.

9、A. had scored B. scored C. would score D. would havescoredwould havescored 二二“混混”一一.混時態混時態:二二. 混虛實混虛實:時間錯綜的虛擬語氣時間錯綜的虛擬語氣If you had taken the medicine last night, you would be better now.If you had taken the medicine last night, you would be better now, but you didnt.虛虛實實If從句中時間與主句時間不一致。從句中時間與主句時間不一致

10、。Practice:假如你接受了我的意見，你現在就假如你接受了我的意見，你現在就會好的多。會好的多。You much better now if you my advice.would behad taken如果你沒錯過公共汽車的話，我們現在正如果你沒錯過公共汽車的話，我們現在正在聽音樂會呢在聽音樂會呢If you_the bus,we _the concert now.hadnt missedwould be enjoying (06福建27)If it were not for the fact that she _ sing，I would invite her to the party

11、.A.couldnt B.shouldnt C.cant D.might notwere notwouldinvite_事實事實If it hadnt been for the fact that I _ busy，I would have helped her.A.am B.was C.had been D.have been_ I _ you yesterday,but I was busy with my work. A. had helped B. would help C. would have helped D. helped_ 事實事實 三三“從句從句”1：虛擬語氣在名詞性從句中

12、用法：虛擬語氣在名詞性從句中用法關鍵詞一堅持；二命令；三建議；關鍵詞一堅持；二命令；三建議； 四要求四要求 (should) do2.It is + adj./n. +that (should) do關鍵詞關鍵詞 important / necessary / natural / strange/a pity/a shame）3：虛擬在特殊句型中的用法：虛擬在特殊句型中的用法 關鍵詞：關鍵詞：wish, as if/though, if only, would rather與事實時態的相反與事實時態的相反1. 表示要求，命令，建議等動詞后的賓語從句。表示要求，命令，建議等動詞后的賓語從句。一個

13、堅持：一個堅持：insist兩個命令：兩個命令：order, command 三個建議：三個建議：advise, suggest, propose四個要求：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。即從句中的動詞用法。即從句中的動詞 使用使用should + 動詞原動詞原形，或者將形，或者將should省略。省略。注注意意insistsuggestI suggest that we _at once.(set off)The students insisted that they

14、_ the meeting.(attend)His face suggested that he _ angry.(be)I insisted that he _ wrong.(be)waswas 比較比較 Special wordsSpecial words(should) set off(should) attend Its suggested ( ordered, demanded, proposed, commanded, requested, desired, insisted, required ) that 后面的主語從句中要使用后面的主語從句中要使用虛擬語氣，也以虛擬語氣，也以

15、 ( should )+ v.的形式出現。的形式出現。 Its ordered that only German ( should ) be taught at schools in Alsas and Lorin. Its requested that all the students ( should ) wear school uniforms at school.以上這些動詞的名詞形式以上這些動詞的名詞形式( (suggestion ,proposal, request, order, advice, command)后面的表語從句后面的表語從句 和同位語從句中也要用虛擬語氣和同位語從

16、句中也要用虛擬語氣 (should) + (should) + v v。 My suggestion is that you ( should ) go home first before coming here.The order came that the work (should) be finished two days ahead of time 句型句型 ： It is + adj./n. +that (should) do（important / necessary / natural / strange/a pity/a shame）It is necessary that w

17、e study well.It is natural that he (should) think so .It is a pity that Mary should go to thatdirty place. .2.wish + 賓語賓語從句從句現在：現在：過去：過去：未來：未來：過去時過去時 (did/were)過去完成時過去完成時 (had done)would/could/might+V. a)I wish she _ there with us now.b)I wish she _ there with us tomorrow.c) I wish she _there with u

18、s yesterday.A. goes B. went C. had gone D. would goBDC3. If only 要是就好了要是就好了 = I wishIf only I knew his name! If only we had followed your advice! If only I could see him again! 4.as if/though 4.as if/though： He speaks English as if/ though he is from the USA.He speaks English as if/ though he were f

19、rom the USA.事實事實虛擬虛擬 as if /though + Clause did /were(現在現在)had done(過去過去) would/could/might+動動詞原形詞原形(將來將來)5. would rather that現在：現在：過去：過去：未來：未來：did /werehad donedid /were1.I would rather he_ tomorrow than today.(come)2.I would rather you _ me now.(pay)3.I would rather they _with me yesterday.(go)練一練

20、練一練: :had gonecamepaid小結小結Wish/if only/as if 1) 現在：現在：did/were2)過去：過去： (had done)3)將來將來:(would/could) dowould rather1) 現在現在或或將來將來:did/were2) 過去過去: (had done)三反三反兩反兩反6.Its (about/high) time +(that)should +V.過去時過去時你該走了。你該走了。我們該去睡覺了。我們該去睡覺了。Its high time that you went.Its high time that you should go.I

21、ts time that we went to bed.Its time that we should go to bed. (Should不可省略不可省略)7用在用在may+動詞原形動詞原形表表“祝愿祝愿”。may放在句首。例：放在句首。例： May you be happy ! May you succeed ! 記不記隨你！記不記隨你！前虛后也虛，表格是依據；前虛后也虛，表格是依據；時差和虛實，混虛捉弄你。時差和虛實，混虛捉弄你。if省略要倒裝，隱藏條件虛謹慎省略要倒裝，隱藏條件虛謹慎“但愿但愿”多多“建議建議”； time時注意。時注意。Competition1. （10湖南湖南29）

22、If he _ my advice, hewouldnt have lost his job.A. followed B. should follow C. had followed D. would follow2（10江蘇江蘇34）George is going to talk about the geography of his country, but Id rather he _ more on its culture. A. focus B. focused C. would focus D. had focused（10安徽安徽26）Bob would have helped u

23、s yesterday, buthe _. A. was busy B. is busy C. had been busy D. will be busy（10北京北京34）-The weather has been very hot and dry. -Yes. If it had rained even a drop, things would be much better now! And my vegetables _ A. wouldnt die B. didnt die C. hadnt died D. wouldnt have died（2011天津卷天津卷,15）I _ soo

24、ner but I didnt know that they were waiting for me.A. had come B. was coming C. would come D. would have come（2011江西卷江西卷28）We _ Johns name on the race list yesterday but for his recent injury.A. will put B. will have put C. would put D. would have put（2011福建卷福建卷,34）Pity you missed the lecture on nuclear pollution.I _ it, but I was busy preparing for a job interview. A. attended B. had attended C. would attend D. would have attended(2011陜西卷陜西卷,22）I _ through that bitter period without your generous help. A. couldnt have gone B.