1、山東省郯城縣高二英語(yǔ)Unit （2） Grammar 虛擬語(yǔ)氣教案 高二 年級(jí) 英語(yǔ) 備課組主備人陶婧婧課型grammar驗(yàn)收結(jié)果：合格時(shí)間 2011年 11 月 24 日分管領(lǐng)導(dǎo)課時(shí)第 13 周第 4 課時(shí) 總第 38 課時(shí) 教學(xué)目標(biāo)：Master the usage of emissionTry to write some sentences using emission重點(diǎn)、難點(diǎn)掌握虛擬語(yǔ)氣的結(jié)構(gòu)教 學(xué) 過(guò) 程教師活動(dòng)學(xué)生活動(dòng)Step 1.important rules.虛擬語(yǔ)氣表示說(shuō)話(huà)人的主觀(guān)愿望、猜測(cè)建議或與事實(shí)不符的假設(shè)。虛擬語(yǔ)氣可分為三種：（1）一般虛擬 （2）混合虛擬 （3）特

2、殊句式1.一般虛擬If 的句型：1）時(shí)態(tài)：可以表示過(guò)去，現(xiàn)在和將來(lái)的情況。它的基本特點(diǎn)是時(shí)態(tài)退后。a. 同現(xiàn)在事實(shí)相反的假設(shè)。句型 ：一般過(guò)去時(shí)(從句)+should( would) +動(dòng)詞原形（主句） If they were here, they would help you.b. 表示于過(guò)去事實(shí)相反的假設(shè)。句型：過(guò)去完成時(shí)(從句)+ should(would) have+ 過(guò)去分詞（主句） If she had worked harder, she would have succeeded.If he had come yesterday, I should / would have t

3、old him about it. 含義：He did not come yesterday, so I did not tell him about it. If he had not been ill and missed many classes, he would have made greater progress. 含義： He was ill and missed many lessons, so he did not make greater progress.c. 表示對(duì)將來(lái)的假想句型:一般過(guò)去時(shí)/should+ 動(dòng)詞原形/were+ 不定式(從句)+would + 動(dòng)詞原形

4、（主句）If you succeeded, everything would be all right.If you should succeed, everything would be all right.If you were to succeed, everything would be all right.2.混合條件句主句與從句的動(dòng)作發(fā)生在不同的時(shí)間，這時(shí)主，從句謂語(yǔ)動(dòng)詞的虛擬語(yǔ)氣形式因時(shí)間不同而不同，這叫做混合條件句。If you had asked him yesterday, you would know what to do now. （從句與過(guò)去事實(shí)相反，主句與現(xiàn)在事實(shí)相

5、反。）If it had rained last night (過(guò)去), it would be very cold today (現(xiàn)在).3.特殊句式：(1).suggest, order, propose, request, require, demand, advise, insist+ 賓語(yǔ)從句(should )doHe suggested that we (should) save money for the future.The undergraduate insisted that he (should) go to work in the south.注意：當(dāng)suggest_用

6、真實(shí)語(yǔ)氣。 His silence suggested that he agreed with my decision.He insists that doing morning exercises does good to peoples health.(2)It is suggested/advised/ordered/requested/required+ that從句(should) do It is proposed that more students should go to university.(3)My advice/suggestion/request/requireme

7、nt/order/proposal+ is +表語(yǔ)從句(should)do My advice is that you should practise speaking English as often as possible.The order from the commander was that the troops should set off for the front immediately.(4)His suggestion/advice/request/requirement+ 同位語(yǔ)從句(should )do+ is. The request that they should

8、 get more is reasonable.(5) It is natural/necessary/strange +that從句 (should) do表驚奇、懷疑、惋惜、不滿(mǎn)、理應(yīng)如此等。Its strange that he should have missed the train. （表竟然） It is important that we should learn from others.（表理應(yīng)如此）It is a pity that he should not go with us.(表驚訝、不滿(mǎn))（6）wish + that clause (did/were 與現(xiàn)在相反)

9、wish + that clause (would/could/might + do與將來(lái)相反) wish + that clause ( had done 與過(guò)去相反) I wish I could go with them tomorrow. I wish I had never met him.(7) It is (high/about) time + 從句(did, should do )It is (high/about) time we went home.(8) would rather + clause (did_)；（had done_）I would rather you

10、came tomorrow. I would rather you hadnt told her the news. (9) as if + clause (did/were 與現(xiàn)在相反) / (would/could/might + do與將來(lái)相反)/( had done 與過(guò)去相反) She treats Kate as if she were her own daughter. They talked as if they had been friends for years.4.虛擬條件句的倒裝虛擬條件句的從句部分如果含有were, should, 或had, 可將if省略，再把wer

11、e, should或had 移到從句句首，實(shí)行倒裝。 Were they here now, they could help us.=If they were here now, they could help us. Had you come earlier, you would have met him=If you had come earlier, you would have met him. Should it rain, the crops would be saved.=Were it to rain, the crops would be saved.注意： 在虛擬語(yǔ)氣的從句

12、中，動(dòng)詞be的過(guò)去時(shí)態(tài)一律用were，不用was， 即在從句中be用were代替。 If I were you, I would go to look for him. 如果我是你，就會(huì)去找他。 If he were here, everything would be all right. 如果他在這兒，一切都會(huì)好的。Step 2. 即學(xué)即練 I. 用括號(hào)內(nèi)所給動(dòng)詞的適當(dāng)形式完成下列句子。1. I failed the exam. How I wish I _ (remember) all those English words before the test!2. If I _ (be) t

13、en years younger, I would accept the offer and do the job.3. We wish we _ (live) on the moon in the future.4. I dont know the word. If I _ (know) the meaning of it, I wouldnt have to look it up. II. 從A、B、C、D四個(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)。1. Have you ever been to Beijing? No, but I wish I _. A. have B. willC.

14、do D. had2. If there were no water in the world, everything _.A. will dieB. would dieC. would have diedD. have died 3. I wish that I _ with you last night.A. could have goneB. could go C. have goneD. went 4. If I _ you, I _ more attention to English idioms and phrases.A. was; shall pay B. am; will p

15、ay C. would be; would payD. were; would pay 5. I wish that you _ such a bad headache because Im sure that you would have enjoyed the concert. A. wouldnt haveB. didnt have C. hadnt had D. havent had Step 3.虛擬語(yǔ)氣專(zhuān)練1.Did you submit(遞交）your application for a Masters degree(碩士學(xué)位）？Not yet. If I_ to see my

16、father, I would have.”A. didnt go B. havent gone C. wouldnt have gone D. hadnt gone2.Why didnt Tom give you one of his paintings?I didnt want one, but he would have given me one if I _.A. Do B. would C. will D. had3.Do you think the thief entered through the garage door?No, if he had, I dont believe

17、 _broken the living room window.A. would he have B. he had C. he would have D. he has4._Id have told you.A. If I would have known itB. If I had have known itC. Had I know it D. Should I know it 6.It is raining, and I have no umbrella.Heres mine, and I insist _it.A. you to take B. that you take C. th

18、at you taking D. you taking7. The professor gave orders that the test _before 5:30.A. be finished B. will finish C .will be finished D. shall finish8. I must go there earlier. John has suggested that I _an hour before the discussion begins. A. go B. shall go C. will go D. would go9. I didnt go to th

19、e party, but I do wish I _there.A. was B. were C. had been D. went10. She speaks as if she _on the spot. A. was B. were C. had been D. is11. If I _ten years younger, I _ very happy.A. were, would be B. am, shall be C. were, shall be D. am, would be12. You can ask your brother for help. He is not at

20、home. If he _, I _.A. is, would B. were, would C. is, will D. were, will13. If you _the doctors advice, you would have already recovered.A. follow B. followed C. would follow D. had followed14. If he had not missed the train, he _by then.A. might get B. might have got C. got D. had got15. What would you have done last night, if you _to write your homework.A. hadnt B. havent had C. didnt have D. hadnt hadStep 4. homework :grasp the usage of this part.Let ss understand the rules a