高二英語虛擬語氣牛津版選修ppt課件

1、IF 從句從句主句主句與過去情況相與過去情況相反時反時與現(xiàn)在情況相與現(xiàn)在情況相反時反時與將來事實可與將來事實可能相反時能相反時had donewould have done did (be 用用were)would do 1) did2)should+動原動原3) were to+動原動原would do If there were no air, the sky would be black. If I got the information, I would let you know. 2. If we had got enough money, we would have bought

2、it. 3. If you should fall, you would be injured. If it were to rain, we would not go there. If you had a villa, I would marry you. 如今如今過去過去未來未來# Exercises1. If I _ more time, I would have gone with him. had B. had had C. have had D. would haveB2. If I _you, I wouldnt return the call. A. be B. am C.

3、was D. were D( 過去過去)( 如今如今)a. If they _ (be) here now, they _ (take) your advice.b. If the world-war _ (break) out again, what _ (happen) to our people on earth?werewould takebrokewould happenPRACTICE 1: Fill in the blanks.c. If I _ (be) in your position, I _ (ask) for teachers help.werewould aska.

4、If Tom _ (be) more careful in the exam, he _ (pass) it already.b. If you _ (get) up earlier, you _ (catch) the first train.had beenwould have passedhad gotwould have caughtPRACTICE 2: Fill in the blanks.c. If I _ (meet) you yesterday, we _ (go) to the concert together.had metwould have goneIf he _ m

5、ore carefully, he _ the car accident yesterday.had driven would not have had a. If there _ (be) no natural resource any more, we _ (make) use of nuclear power .b. What _ (happen) if you _ (get up) too late tomorrow?should bewould makewould happenshould get upPRACTICE 3: Fill in the blanksc. If Robot

6、s _ (control) the world some day, here _ (be) no friendship.were to controlwould be假設(shè)他來了假設(shè)他來了, 我們對他說什么呢？我們對他說什么呢？If he were to come, what should we say to him.假設(shè)他看見我假設(shè)他看見我, 就會認識我。就會認識我。If he should see me, he would know me.在虛擬條件句中，假設(shè)有動詞在虛擬條件句中，假設(shè)有動詞were, should 或或had+過去分詞，可過去分詞，可以省略以省略if, 且把這三個詞放在主語

7、之且把這三個詞放在主語之前，變成倒裝句。前，變成倒裝句。 If I were a bird, I would fly freely .=Were I a bird, I would fly freely .1.If you were handsome, I would marry you.2.If he should come tomorrow, I would give it to him.3. If it were to snow, I would not go .4. If he had come yesterday, you would have seen him.Should he

8、come tomorrow, I would give it to him.=Were you handsome, I would marry you.Were it to snow, I would not go.Had he come yesterday, you would have seen him.3. _ he finished the work, he would not have been punished. A. If B. were C. had D. has C( 過去過去)I wish與過去愿望相反：與過去愿望相反：had doneI wish I had seen t

9、hat film.與如今愿望相反：與如今愿望相反：did/wereI wish I were as handsome as you.與未來愿望相反：與未來愿望相反：would/could /might+動詞動詞原形原形I wish I would try again.3. How I wish I _ a grown-up! were B. had been C. was D. amA( 如今如今)I wish I _as tall as you.wereI wish I _a bird.wereI wish every day _my birthday.wereI wish/wished I

10、 _( eat ) so much watermelon.hadnt eatenThe party was terrible, I wish I _ ( go ) to it.had never goneI wish it _( rain) tomorrow.would rainIf you had asked him yesterday, you would know what to do now.從句與過去現(xiàn)實相反從句與過去現(xiàn)實相反, 主句與如主句與如今現(xiàn)實相反今現(xiàn)實相反混合虛擬混合虛擬/ 錯綜虛擬語氣錯綜虛擬語氣If the staff _more careful, the mall _

11、on fire now.had beenwould not be句型練習(xí)句型練習(xí).1. 我要是他的話我要是他的話, 我就會把英語學(xué)好。我就會把英語學(xué)好。2. 假設(shè)他昨天來假設(shè)他昨天來, 他就會看見他。他就會看見他。3. 萬一明天下雨萬一明天下雨, 我們就不到那兒去。我們就不到那兒去。4. 我希望我十年前認識他。我希望我十年前認識他。Homework名詞性從句中要求名詞性從句中要求用虛擬語氣的動詞用虛擬語氣的動詞 suggest, order, demand, propose, command, request, desire, insist, require etc.引導(dǎo)的賓引導(dǎo)的賓 語從句要

12、用虛擬語氣，以語從句要用虛擬語氣，以(should) + v原的形原的形 式出現(xiàn)。式出現(xiàn)。 We all suggest that he ( should ) finish his homework first. The captain commanded that all the sailors ( should ) get down to work at once.Its suggested ( ordered, demanded, proposed, commanded, requested, desired, insisted, required ) that 后面的主語從句中要運用后

13、面的主語從句中要運用虛擬語氣，也以虛擬語氣，也以 ( should )+ v原原.的方式出的方式出現(xiàn)?，F(xiàn)。 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方式后面的表語從句以上這些動詞的名詞方式后面的表語從句 和同位語從句中也要用虛擬語氣，也應(yīng)以和同位語從句中也要用虛擬語氣，也應(yīng)以 (should) + v

14、原原. 的方式出現(xiàn)。的方式出現(xiàn)。 My suggestion is that you ( should ) go home first before coming here. His request that his cost ( should ) be paid by the hour is completely reasonable.1. suggest, order, demand, request, desire, insist等動詞后的等動詞后的賓語從句常用賓語從句常用I suggest (that) he (should) go to see the doctor today.I

15、order that you not disturb othersin class.“ should+動詞原形， should可以省略。2. It is suggested/desired/ordered/necessary/importantthat 等構(gòu)造后的主語從句等構(gòu)造后的主語從句:It is necessary that we (should)enjoy ourselves to the bars .3. It is time that 從句動詞一從句動詞一般用過去時態(tài)般用過去時態(tài)e.g. It is time that we went to sleep.4. should ( mi

16、ght, could, would, need) have done sthe.g. Ululant, you should not have died so earlier! I need not have cried so much, since I was left so much fortune. 5. as if引導(dǎo)的狀語從句，引導(dǎo)的狀語從句， 有時用虛擬有時用虛擬e.g. She acts as if she were a beauty.6. if onlye.g. If only that I were not so thin.I would rather that you passed away right now.I would rather you had been here yesterday.7. would rather3. -Do you have a computer? -No, but I wish I _ one . A. have B. had C. having D. have had 4. -I feel I am so tired tonight. -Well, it is time that you_. A. go to bed B. would go to bed C. went