if虚拟条件句.ppt

2真实条件句真实条件句A real conditionals虚拟条件句虚拟条件句An unreal conditionals3三种情况三种情况从句的动词从句的动词主句的动词主句的动词与过去事与过去事实相反实相反had过去分词过去分词would/could/ might / should have过去分词过去分词与现在事与现在事实相反实相反动词的过去式动词的过去式(be动词用动词用were)would/could/ might / should动词原形动词原形与将来事与将来事实相反实相反动词的过去式动词的过去式should动词原形动词原形were to动词原形动词原形would/could/might/should动词原动词原形形提出问题提出问题 晚年的爱因斯坦总结晚年的爱因斯坦总结数十年科学生涯的经数十年科学生涯的经验后，感叹道：验后，感叹道：“提出提出一个一个问题往往问题往往比解决比解决一个一个问题问题更重要更重要。”4三种情况三种情况从句的动词从句的动词主句的动词主句的动词与过去事与过去事实相反实相反had过去分词过去分词would/could/ might / should have过去分词过去分词与现在事与现在事实相反实相反动词的过去式动词的过去式(be动词用动词用were)would/could/ might / should动词原形动词原形与将来事与将来事实相反实相反动词的过去式动词的过去式should动词原形动词原形were to动词原形动词原形would/could/might/should动词原动词原形形请提问题请提问题5继续提问继续提问If I had enough money, I would buy a new car.We would have won if Jack had scored that goal.If I were you, I would go to bed early tonight.If it were to rain tomorrow, they would not go out.6回忆结构三种情况三种情况从句的动词从句的动词主句的动词主句的动词would/could/ might/should have过去分词过去分词动词的过去式动词的过去式(be动词用动词用were)与将来事与将来事实相反实相反71. If you tried again, you might succeed.2. If she hadnt met him, her life would have been quite different.3. We wouldnt have any money if we didnt work.4. If your mother should be free Next Sunday, she will come to see you again. 5. If I were rich enough, I would buy a BMW.86. Mr. Zhang isnt here. If he were, he would help you with your work.7. What would you do if you won a million pounds?8. If I had cleaned the classroom, I wouldnt have been punished.9. Its a pity you cant drive. It would be useful if you could (drive).10. If I were to meet Obama, I would have a photo taken with him.911. If he had been looking where he was going, he wouldnt have knocked his head against the glass wall. 12. If we hadnt talked late into the night, we wouldnt be sleepy now.13. Without electricity, life would be quite different today. 14. If it were not for the clouds, you would see the airplane in the sky easily.15. If it hadnt been for your help, I wouldnt have finished my work on time.10Practice: 句子分类句子分类分类标准分类标准句子序号句子序号与过去事实相反与过去事实相反与现在事实相反与现在事实相反与将来事实相反与将来事实相反我不知道应该属我不知道应该属于哪一类的句子于哪一类的句子2、8、11、153、6、9、1410、41、5、7、12、1311与过去事实相反的虚拟2. If she hadnt met him, her life would have been quite different.8. If I had cleaned the classroom, I wouldnt have been punished.11. If he had been looking where he was going, he wouldnt have knocked his head against the glass wall. 15. If it hadnt been for your help, I wouldnt have finished my work on time.12If it had not been for, (过去过去) 要不是因为要不是因为,固定结构15. If it hadnt been for your help, I wouldnt have finished my work on time.13 Jack, one of my students, spent too much time on computer games. As a result, he was not admitted to a good university. How regretful I felt for him! If Jack had not spent too much time on computer games, he would have been admitted to a good university.A story of my student 14与现在事实相反的虚拟3. We wouldnt have any money if we didnt work.6. Mr. Zhang isnt here. If he were here, he would help you with your work.9. Its a pity you cant drive. It would be useful if you could (drive).14. If it were not for the clouds, you would see the airplane in the sky easily.was15If it were not for, (现在现在) 要不是因为要不是因为, 固定结构14. If it were not for the clouds, you would see the airplane in the sky easily.16If I had Beyonces voice, I would sing from morning till night.I am a teacher, so I have to work at weekends.If I were (was) not a teacher, I wouldnt have to work at weekends. My lifeI love beautiful songs, but I dont have a good voice. How regretful I am! 17与将来事实相反的虚拟10. If I were to meet Obama, I would have a photo taken with him.4. If your mother should be free Next Sunday, she will come to see you again. If I should stay, I would only be in your way. So Ill go, but I know Ill think of you every step of the way. Houston 18Just now a teacher showed me the way here. It is a pity that I was in such a hurry that I didnt express my thanks to him. If I should see the teacher after class, I would thank him face to face.My experienceIf I were to see the teacher after class, I would thank him face to face.19 If you tried again, you might succeed.5. If I were rich enough, I would buy a BMW.7. What would you do if you won a million pounds?？13. Without electricity, life would be quite different today.12. If we hadnt talked late into the night, we wouldnt be sleepy now.20 If you tried again, you might succeed.5. If I were rich enough, I would buy a BMW.7. What would you do if you won a million pounds?现在现在 or 将来将来2112. If we hadnt talked late into the night, we wouldnt be sleepy now.错综时间条件句 If you hadnt won, I would be sad now.22I didnt sleep well last night.I feel a little bit tired now.If I had slept well last night, I would not feel tired now. My experience23含蓄条件句13. Without electricity, life would be quite different today. But for your help, I wouldnt have finished my work on time. But for the clouds, you would see the airplane in the sky easily.24回忆结构五种情况五种情况从句的动词从句的动词主句的动词主句的动词25请找出请找出从句从句谓语动词中含有谓语动词中含有had, were, should的句子。的句子。 2, 8, 11, 12，155, 6, 10, 144,2, 4, 5, 6, 8, 10, 11, 12, 14, 15268. If I had cleaned the classroom, I wouldnt have been punished.2. If she hadnt met him, her life would have been quite different.11. If he had been looking where he was going, he wouldnt have knocked his head against the glass wall. 12.If we hadnt talked late into the night, we wouldnt be sleepy now.15. If it hadnt been for your help, I wouldnt have finished my work on time.Had she not met him,Had I cleaned the classroom,Had he been lookingHad we not talkedHad it not been for your help275. If I were rich enough, I would buy a BMW.6. Mr. Zhang isnt here. If he were here, he would help you with your work.10. If I were to meet Obama, I would have a photo taken with him.14. If it were not for the clouds, you would see the airplane in the sky easily.Were I rich enough,Were he here,Were I to meet Obama,Were it not for the clouds,284. If your mother should be free next Sunday, she will come to see you again. Should your mother be freeShould she call, what will I say?29虚拟条件句中的倒装倒装的倒装的2个前提条件：个前提条件：倒装的方法：倒装的方法：30思维过程Step 1：是不是虚拟？：是不是虚拟？Step 3：主句？从句？：主句？从句？Step 2：过去？现在？将来？：过去？现在？将来？Step 4：什么结构？：什么结构？Practice31Practice Makes Perfect!天才不过是做了足够多练习的人。天才不过是做了足够多练习的人。 -（美）拉德威尔（美）拉德威尔32PracticeChoiceQuizUsing LanguageFree Talk 33e.g. Had I followed the doctors advice, I _ better now. A. am B. was C. would be D. would have beenBCA1. If my father _ here now, he _ tell me what to do. A. was; will B. were; would C. is; would D. is; will2. Bob would have helped us yesterday if he _. A. wasnt busy B. isnt busy C. hadnt been busy D. had been busy 3. If my lawyer _ here last Saturday, he _ me from going. (全国全国89) A. had been; would have prevented B. had been; would prevent C. were; would prevent D. were; would have prevented344. If it _ for the snow, we _ the mountain yesterday. (全国全国91) A. were not; could have climbed B. were not; could climb C. had not been; could have climbed D. had not been; could climb5. Should it rain, the crops _ . A. should be saved B. had been saved C. will be saved D.would have been saved 6. _ fired, your health care and other benefits (福利福利) will not be immediately cut off. A. Would you be B. Should you be C. Could you be D. Might you beCCB351.(2010湖南湖南)If he _ my advice，he wouldnt have lost his job. A. followed B. should follow C. had followed D. would follow2. (2010陕西卷陕西卷)If we _ the other road，we might have arrived here in time for the meeting. A. take B. had taken C. took D. have taken3. (2010浙江卷浙江卷)Had I known about this computer program，a huge amount of time and energy_.A. would have been saved B. had been savedC. will be saved D. was savedCBAA Quiz364.(2009天津天津) 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 C. could D. might 5.(2010天津天津) John went to the hospital alone. If he _ me about it，I would have gone with him. A. should tell B. tells C. told D. had told BD376.(2011 江西）江西） 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 put7. (2012 天津）天津）We would have called a taxi yesterday if Harold _ us a ride home. A. didnt offer B. wouldnt offer C. hasnt offered D. hadnt offered8. (2012 山东）山东） If we _ adequate preparations, the conference wouldnt have been so successful. A. havent made B. wouldnt make C. didnt make D. hadnt madeDDD38Using Language39 If I were rich , I would_2. If I were you, I would_3. If I were (a) , I would_ Make your sentences as interesting and imaginative as you can!1.the student on you left123456789102.the boy monitor3.the student behind you10.your neighbor8.the girl monitor9.You can choose anyone7.the girl in white6. the boy in red4.the tallest boy5. the tallest girl40Free talk My life My experience A story of my student41Student B: If I had worked hard at school, I would have passed the exam.Student A: If I were you, I would eat less from today. Student D: It would be much nicer if our math /Chinese/ English/ physics/ chemistry teacher were a beautiful lady.Student C: If we were not to have evening lessons tomorrow, we would be happy.42我们学了什么？我们学了什么？与过去事实相反的虚拟与现在事实相反的虚拟与将来事实相反的虚拟错综时间条件句含蓄条件句2个固定结构虚拟条件句中的倒装思维过程思维过程Note making43easy ! English grammar44Thank You 45祝亲爱的同学们祝亲爱的同学们 天天开心天天开心 日日快乐日日快乐466. Mr. Zhang isnt here. If he were here, he would help you with your work.9. Its a pity you cant drive. It would be useful if you could (drive).判断事实47but后后, otherwise前前, 真实句代替真实句代替if从句从句. He would have helped us yesterday, but he was busy. He would have helped us if he had not been busy. He was busy; otherwise he would have helped us. 48 承诺承诺 郑乃天郑乃天当你坐在沉默中当你坐在沉默中琢磨着一切是为什么琢磨着一切是为什么我会是你哭泣时依赖的肩膀我会是你哭泣时依赖的肩膀直至你的眼泪干涸直至你的眼泪干涸当你受到了伤害当你受到了伤害难以置信他们做了什么难以置信他们做了什么如果你需要一个人去诉说如果你需要一个人去诉说我就会是那一个我就会是那一个49如果一个挚友伤害了你如果一个挚友伤害了你而你却十分迷惑而你却十分迷惑请永远记住我就在你身边请永远记住我就在你身边援助的手等你紧握援助的手等你紧握何时重担会变轻巧答案是两人一起扛何时重担会变轻巧答案是两人一起扛我只是想让你明白我只是想让你明白这里有守候你的我这里有守候你的我