M6U3UnderstandingeachotherGrammar.doc

M6U3 Understanding each other Grammar and usage:Unreal Conditionals虛擬語氣（subjunctive mood）一、狀語從句中的虛擬語氣(一) if 引導(dǎo)的條件狀語從句1 If I had time, I would attend the meeting.2. If I were you, I should seize the opportunity to go abroad.3. If you had taken my advice, you would not have failed in the exams.4. If he had come earlier, he wouldnt have missed the first bus.5 If the headmaster came tomorrow, we would have the meeting.6 If it were to rain tomorrow, the sports meeting would be put off.7 If he should make a mistake, you should not blame him.感悟：與現(xiàn)在事實相反1. If I were a doctor, I might save her life without hesitation.2. If I stayed at home now, I could play computer games. 總結(jié)形式： 時態(tài) if條件從句主 句與現(xiàn)在事實相反 練一練： If I were _ If I had time , _譯一譯: 1.要是他現(xiàn)在在這兒，我們就會問他關(guān)于這件事。 2.即使她現(xiàn)在在這兒，她也不能解決這個問題。 感悟：與過去事實相反1. If I had earned a lot of money last year, I would have bought a car.2. If the earthquake hadnt happened in Wen chuan in 2008, many people wouldnt have lost families. 總結(jié)形式： 時態(tài) if 條件從 句主句 與過去事實相反 練一練：1. If the farmer hadnt seen the snake, he _ (not put) it in the arms. 2. If he _ (not put) it in the arms, the snake wouldnt have bitten him.3. If the snake _ (not bite) him, he_ (not die).4.If my lawyer _(not be here ) last Saturday , he _(prevent ) me from going .感悟：與將來事實相反1. In the future, if I had 10,000,000 yuan, I would buy a house. 2. If the water in the Pacific Ocean were to be poured out, it wouldnt stop my love.3. If he should come tomorrow, I would talk to him about it.總結(jié)形式: 時態(tài) if 條件從句 主句 與將來事實相反練一練：1. If everyone _ (help) those in need in future, the world would be a much better place.2. If it _ (be) fine this weekend, we would have a picnic.3. If I _(be admit to) a famous university in two years, I would treat you to a big meal.4. If it _(snow) tomorrow, we would go skiing.（二）：條件狀語的倒裝：如果條件狀語中有were, had, should時, 可以倒裝成：Were / Should / Had +主+其他1. If I were you, I would try it again. _, I would try it again. 2. If he had been there yesterday, he would have seen the film. _ there yesterday, he would have seen the film.3. If it should snow tomorrow, we wouldnt go out. _tomorrow, we wouldnt go out. 注意：在省略句型中，只有had done 的had 才能倒裝省略，實義動詞had不能用省略倒裝。If I had time now, I would go to the library. Had I time now, . (誤）（三）錯綜時間條件句：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。1. If the weather had been fined, the crops would be growing still better.2. If you had followed the teachers advice, you wouldnt be in the hospital.3. If you had come and attended the meeting yesterday, you _(know) what we are doing now. 4.If you _(take) my advice then, you _(現(xiàn)在就不會有麻煩了)5. _ her husband _(kill) in the war, she would not be helping others with housework now.（四）：含蓄條件句：有時虛擬的條件不是通過條件句來表示，而是用一些詞或短語，如 without, but for, or , otherwise等，這種句子叫含蓄條件句。1. But for electricity ( = If it were not for electricity ), there would be no modern industry.2. Without your help (If it had not been for your help), we could not have succeed.3. I was ill that day. Otherwise, I would have taken part in the sports meet.練一練：填入合適的動詞形式。1）Without air, there _no life on the earth. (be)2）He _but for his teachers timely advice. (fail)3）We _ the work better in that case. (do)4）He would have come to see you yesterday morning but he _an important meeting to attend. (have) 當(dāng)堂訓(xùn)練：1. If you _ (speak) to him last time you saw him, you _ (know) what to do now.2. If I _ (have not ) so much work to do , I _ (not miss) the film last night.3. If you _ (hesitate) this moment, you_ (suffer) in future.4. If Mary _ (arrive) today, she must have started three days ago.5. If it _ (snow) last night, it _(be) very cold today.6. -Why didnt he come? -He _but she didnt have time. (come)7. She would put on weight but she _(not eat ) enough.8. 如果你聽了醫(yī)生的話，你早就恢復(fù)健康了。9. 如果沒有虛擬語氣，英語就容易多了。10. 如果她更加努力的話，她就成功了。11. 如果我們繼續(xù)這樣折騰地球，我們將來將無立足之地。12. 如果我是你，我就不回這個電話。13. 如果我的女兒不忙的話， 她就會來幫助你。14. 要不是你的幫助，我是不會成功通過考試的。15.我不知道他的電話號碼，否則的話，我就會給他打電話了。單項選擇1Were it not for the snowy weather, we _all right. A. would be B. would have been C. were D. may be 2. _more careful, his ship would not have sunk. A. If the captain were B. Had the captain been C. Should the captain be D. If the captain would have been 3. If he _ me tomorrow, I would let him know. A. should call B. should not have been able C. were not able D. are not able 4. If you asked your father, you _ permission. A. may get B. might get C. should have called D. maybe get 5. _today, he would get there by Friday. A. Would he leave B. Was he leaving C. Were he to leave D. If he leaves 6. _I you, I would go with him to the party. A. Was B. Had been C. Will be D. Were 7. Had Paul received six more votes in the last election, he _our chairman now. A. must have been B. would have been C. were D. would be 8. If the horse won today, it _ thirty races in five years. A. would have won B. won C. must have won D. did have won 9. There is a real possibility that these animals could be frightened, _a sudden loud noise. A. being there B. should there be C. there was D. there having been 10. If you hadnt taken such a long time to get dressed, wed_ there by now. A. be B. circles C. is circling D. be circling 11. George would certainly have attended the meeting, _ . A. if he didnt get a flat tire B. if the flat tire hadnt happened C. had he not had a flat tire D. had the tire not flattened itself 12. Without electronic computers, much of todays advanced technology _. A. will not have been achieved B. have not been achieved C. would not have been achieved D. had not been achieved 13. He was very busy yesterday, otherwise he _ to the meeting. A. would come B. came C. would have come D. had come 14. If I had seen the movie, I _ you all about it now. A. would tell B. will tell C. have told D. would have told 15. _ she _ yesterday, she would meet the famous singer today.A. If, didnt leave B. Had not, left C. Hadnt, left D. Didnt, leave16. If you _ smoke, please go outside because this is a non-smoking office.A. must B. should C. can D. may17. If Sanlu Group melamine to the milk, the babies too much from kidney stone.A. didnt add; would not suffered B. hadnt added; wouldnt have sufferedC. hasnt added; wouldnt have suffered D. hadnt added; would have suffered18. If the printer_ break down under guarantee, we would repair it at our expe