高二英语虚拟语气用法课件.ppt

条件句 条件句谓语形式 主句谓语形式 现在情况 过去情况 将来情况虚拟语气用法If+主语主语+过去式过去式主语主语+would+vif+主语主语+had pp.+would+have ppIf+s.+过去式过去式If+s.+should+vIf+s.+were to+vs.+should+v2021/8/11 星期三11.Much labor would have been saved if the electronic computers_ before.A.had invented B.should have been invented C.were invented D.had been invented2.If only you _him what I said!Everything would have been all right.A.didnt told B hadnt told C.would not tell D.would have not told3.Jean doesnt want to work right away because she thinks that if she _a job she probably wouldnt be able to see her friends very often.A.has to get B.were to get C.had got D.could have got4.Ask him to ring me up if you _ him.A.should see C.saw B.would see D.will see2021/8/11 星期三25.If my father _here now,he _tell me what to do.A.were,would B were,will C.is,would D is,will6.If I _a bee,I _ work much harder.A.were,would B.were,shall C had,will D.have,should7.If I _you,I _ do that.A.was,wouldnt B.were,wouldnt C.am,wont D.were,wont 8.Its quite impossible that it will rain tomorrow.But if it _,I would still go to the park.A.should rain B.would rain C.rained D had rained9._ tomorrow,what should we do?A If it rains B.Should it rain C.Would it rain D.Were it raining2021/8/11 星期三310.He _ learn more quickly if he _ harder.A.will,work B.would,worked C.would,work D.will,worked11.I dont think that I shall fail.But if I _,I would try again.A.should fail B.would fail C failed D.had failed12.If I _ much money,I _ buy a house.A.have,will B.had,should C.had,will D have,should*1)“if”虚拟语气倒装形式的使用：如果“if”从句中含有“were,had ”或“should ”时，则可省略连词“if ”，而把“were,had”或“should”移至主语之前。1)Were I you(=if I were you),I would.2)Had they not come last time(=If they had not come last time),we would have done.3)Should it rain tomorrow(=If it should rain tomorrow),she would 2021/8/11 星期三41.动词后宾语从句中的虚拟语气。在动词 suggest,insist,order,command,require,request,demand 等后面的宾语从句中，动词形式一般用“should+动词原形，或省略should用动词原形，以表示建议，劝说，命令，要求的语气;在Its suggested/ordered/required/demanded/decided/orded/necessary/important/strange/vital等结构的主语从句中，或suggestion,order,idea等词的同位语从句和表语从句中，也应用should +动词原形，或省略should ，以适合于说话人所表示的建议或要求，命令的语气。如 Its necessary/important that every party member(should)take the lead and work well.2.虚拟语气的特殊动词，词组，句形。1)about time should v It+time +that+主语 high time v-ed 2)What if.?-He would go to see you.-_ He did not come?A.What if B.Where if C.What come D.why whether 2021/8/11 星期三53.“wish”在宾语从句中 V-ed.表现在 wish+主语（宾从中主语）+had+表过去 could/would/might+V.表将来4.as if,as though表不可能，不真实情况时的虚拟语气例They look rather puzzled,as if/though they didnt know.You look as if/though you had seen a ghost.He is very happy as if/though he could win the game.5.would rather在虚拟语气中的用法 V-ed表现在或将来 would rather+主语(从句中)+had+过去分词表过去 6.混合条件句 主句与从句的动作发生在不同的时间，这时主，从句谓语动词的虚拟语气形式因时间不同而不同，这叫做混合条件句。If you had asked him yesterday,you would know what to do now.从句与过去事实相反，主句与现在事实相反。）If it had rained last night(过去),it would be very cold today(现在).2021/8/11 星期三67.有时if条件句借助于otherwise,or,but,but for,without,but that,unless,so long as,in case,on condition that,suppose,supposing that,provided,provided that等词表达出来,同样还要用虚拟语气.1.We might die without your help.2.I had my hair cut off and sold it because I couldnt have lived through Christmas without giving you a present.3.I was busy last week otherwise I would have come to see you.4.I would have given you more money,but I was so poor then.5.I will go provided that/providing/providing that you go too.6.Ill cook plenty of potatoes just in case they decide to stay for dinner.8.一些固定词组中也含有虚语.如,God save the King/Queen2021/8/11 星期三7Long live,May you succeed等.9.在一些非常正式的语言中(如法律文献),在if 和whatever后面有时用be.If any person be found guilty,whatever be the reason2021/8/11 星期三81.I advised that sister _ at her desk all day.A.mustnt B not read C doesnt read D neednt read2.The situation required that China _its door to the outside world.A.must open B.should open C.have to openD.has to open 3.I _ you a more valuable present for your birthday.I was short of money at that time.A.must have brought B.would have bought C.had bought D.would buy4.-Do you want him to lend you some money?-I wish he _.A.had B.did C.would D.should 5._he come,the problem would be settled.A.Would B.Should C.Shall D.If 6.It was required that each student _ enough food on the trip.A.had better bring B would bring C brought D bring2021/8/11 星期三97.She didnt come yesterday,or you _him.A.had seen B.might have seen C.were to see D.would see 9._ you _last Wednesday,you might know it well.A.Were,to come B.If,came C.Had,come D.Did,come10.I was ill that day,otherwise I _the sports meet.A.would have taken part in B took part in C.had taken part in D.would take part in 11.She couldnt have answered the question if she _a few books on world history.A.didnt read B.wouldnt read C.havent read D.hadnt read12.When a pencil is partly in a glass of water,it looks as if it _.A.breaks B.has broken C.were broken D.had been broken 13.We should have arrived sooner but we _ a flat tyre.A.had B.would C.has not D.has 2021/8/11 星期三1014.-Why didnt you help him?-I would have_ I didnt have the money.A.still B.but C.otherwise D.or 15.I would rather she _ with her friends that alone.A.travel on train B.traveled by train C.travels by train D.travelling by the train16.I would have invited her to the party but I _ her well.A.dont know B.didnt know C.hadnt known D.havent known17.It was ordered that no smoking _ in the library.A.was allowed B.be allowed C.would be allowed D.had been allowed18.Would you have stayed with her _?A.had she asked B.if she asked C.if she should ask D.should she ask19._ here,he would attend the lecture.A.Had he been B.He were C Were he D Was he 20.Without electricity,what _?A will the world be like B.would the world be like C.the world would be like D.the world will be like2021/8/11 星期三112021/8/11 星期三122021/8/11 星期三13