虚拟语气 导学案--高三英语一轮复习.docx

虚拟语气1虚拟语气用于条件状语从句(1)表示与现在事实相反的假设，条件状语从句中的谓语动词用一般过去时(be动词用were)，而主句中的谓语动词用“would/should/could/might动词原形”。If I were you，I would buy that house. If he had time，he should go with you.(2)表示与过去的事实相反，条件状语从句中的谓语动词用过去完成时，主句中的谓语动词则用“would/should/might/couldhave过去分词”。If he had taken my advice，he would have succeeded in passing the examination.(3)表示与将来事实相反，条件状语从句中的谓语动词用一般过去时或“should/were to动词原形”，而主句中的谓语动词则用“would/should/could/might动词原形”。If it were to rain tomorrow，the football match would be put off.(4)当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，动词的形式要根据它所表示的时间作相应调整。 If they had worked hard，they would be very tired now.(从句说的是过去，主句指的是现在)1Maybe if I _(study) science，and not literature then，I would be able to give you more help.2If I_(have) time next week，I would go to the party.3If I _(be) you，I should go and see the dentist at once.4If you had arrived at the station ten minutes earlier，you_(catch) the train.2虚拟语气用于名词性从句(1)虚拟语气在宾语从句中的运用。“wish宾语从句” I wish it were spring all the year round.I wish I had known the answer. I wish I could fly like a bird.在表示建议、要求、命令等动词后的宾语从句中，谓语动词用“should动词原形”，should可以省略。常见的动词有：suggest，advise，propose，demand，require，insist，request，command，order等。She suggested we (should) leave here at once. The doctor ordered she should be operated on.(2)虚拟语气在同位语从句和表语从句中的运用。建议、要求、命令advice，idea，order，demand，plan，proposal，suggestion，request “ (should) 动词原形”His suggestion that we (should) go to Shanghai is wonderful. My idea is that they (should) pay 100 dollars.(3)虚拟语气在主语从句中的运用。表示惊奇、不相信、理应如此等 “(should)动词原形”It is necessary (important，natural，strange)that we (should) clean the room every day.It was a pity (a shame，no wonder)that you (should) be so careless.It will be desired (suggested，decided，ordered，requested，proposed)that she (should) finish her homework this afternoon.It is a pity that you cant swim.练习1Where are the children？The dinners going to be completely ruined.I wish they _(be，not) always late.2It is requested that Class Two_(give) a performance at the English evening.3He insisted that a deadline_ (set) for completing the task.4My suggestion is that we_(go) without delay.5The doctor has given advice that the patient _(give up) smoking.3虚拟语气在其他场合的运用(1)He did it as if he were an expert. Even if she were here，she could not solve the problem.(2)“It is (high)time (that).”中，定语从句的谓语动词用一般过去时(be用were)或“should动词原形”Its time that I picked up my daughter. Its high time we were going.(3) If only I were a pilot. (4) If only I had taken his advice.(4)虚拟语气在一些简单句中的运用。It would be better for you not to stay up too late. Would you be kind enough to close the door?Would you like a cup of tea? I would rather not tell you. 1我真诚地希望你们能给我一次机会，我相信我将会成为一个好主席的。(can)(2013·天津·书面表达)2如果你们能立刻采取措施我将不胜感激。(would)(2013·重庆·写作二)学科网（北京）股份有限公司