SubjunctiveMood（虚拟语气）微课说明文档望城六中胡雪峰.doc

Subjunctive Mood(虚拟语气)微课说明文档望城六中 胡雪峰Zhou Xing Xings regret曾经有一份真挚的感情放在我的面前，我没有珍惜。等我失去的时候我才后悔莫及。If I _ when I got it, I _ when I lost it.一、Subjunctive Mood (虚拟语气)Definition虚语语气（the Subjunctive Mood）表示说话人的一种愿望、建议、命令、要求、有时是一种非真实的假设、料想，或是不可能实现的与事实相反的愿望。Lilianjie plays Zuiquan as if he were drunk.陈述语气（the Indicative Mood）用来陈述一个事实，或提出一个想法，有肯定、否定、疑问或感叹等形式。He drank a lot as if he was drunk.二、if引导的虚拟条件句一）区别1. If it rains tomorrow, the crops will be saved. 陈述语气2. If it rained tomorrow, the crops would be saved.虚拟语气=But its impossible.二）基本用法1. 与现在事实相反的虚拟条件If + 主 + did(were), 主+would/should/could/might +动词原形1）如果我是你，我会再试一次。If I were you, I would try it again.=But I am not you now.2）如果我有一百万美元，我会买下这架飞机。If I had one million dollars, I would buy the plane.=But I dont have now.2与过去事实相反的虚拟条件句If +主 +had done sth, 主+would/should/could/might+动词完成式（have done）1）如果他努力学的话，他就通过这次考试。If he had worked hard, he would have passed the examination.=But he didnt work hard before.2）要是当时我和她结了婚的话，那我是很不幸的。If I had married her, I would have been unhappy.=But I didnt marry her .3. 与将来事实相反的虚拟条件句(通常有时间状语)If + 主 + did(were to /should do), 主+would/should/could/might +动词原形如果他明天来的话,我会告诉他这件事.If he came here tomorrow, I would tell him about it.If he were to come here tomorrow, I would tell him about it.If he should come here tomorrow, I would tell him about it.=But he will not come tomorrow.三）Practice1.If you _tomorrow, you _find the new manager working in the office. A. should come; would B. would come; wouldC. will come; should D. comes; 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 arrived3.If he _he _that food.Luckily he was sent to the hospital immediately.A. was warned; would not have takenB. had been warned; would not have takenC. would be warned; had not takenD. would have been warned; had not taken三、倒装的If虚拟句（if的省略）如果条件状语中有were, had, should时, 可以倒装成：Were / Should / Had +主+其他 1. Examples:1）If I were you, I would take his advice.Were I you, I would take his advice. 2）If I had known your telephone number, I would have called you.Had I known your telephone numberIf it hadnt rained so hard, I wouldnt have been late.Had it not rained so hardHadnt it rained so hard 3）If I should go abroad, I would go to France.Should I go abroad, I would go to France. Should it not rain tomorrow, I would go to have a picnic.= If it should not rain tomorrow2. Practice:1）_the exam, he would have attended a college.A. If he passed B. Had he passedC. Were he passed D. If he should pass2）_five minutes earlier, you could have seen them off.A. If you should arrive B. If you arriveC. Had you arrived D. Should you arrive3）_it rain tomorrow, we should have to put off the visit to the Science Museum.A. Were B. Should C. Would D. Will四、高考链接1.If we _adequate preparations, the conference wouldnt have been so successful.(2012)A. havent made B.wouldnt make C. didnt make D. hadnt made2.We would have called a taxi yesterday if Harold _us a ride home.(2012)A. didnt offer B. wouldnt offerC. hasnt offered D. hadnt offered3.Grace doesnt want to move to New York because she thinks if she _there ,she wouldnt be able to see her parents very often.(2012)A. lives B.would liveC. has lived