虚拟语气用法总结(超好)-PPT.ppt

虚拟语气用法总结(超好)概念：概念：虚拟语气：表示说话人所说的不是事实，虚拟语气：表示说话人所说的不是事实，而是一种愿望、假设、或推测。而是一种愿望、假设、或推测。一、虚拟语气在一、虚拟语气在if非真实条件句中非真实条件句中虚拟条件虚拟条件从句从句(If)主主句句与与现在现在事实相事实相反的假设反的假设与与过去过去事实相事实相反的假设反的假设与与将来将来事实相事实相反的假设反的假设过去式过去式be-wereshould/would/could/might+dohaddoneshould/would/could/might+havedone过去式（过去式（be-were）shoulddoweretodoshould/would/could/might+doIf you had studied hard before,you would have passed the exam.（过去虚拟）（过去虚拟）1.1.如果我是你，我会接受他的建议（现在虚拟）如果我是你，我会接受他的建议（现在虚拟）2.2.如果明天下雨，我会待在家里。（将来虚拟）如果明天下雨，我会待在家里。（将来虚拟）3.3.如果你以前好好学习，如果你以前好好学习，你会通过考试的。你会通过考试的。If I were you,I would accept his advice.If it rained（should rain/were to rain）tomorrow,I would stay at home.Youdidntletmedrive.Ifwe_inturn,you_sotired.A.drove;didntgetB.drove;wouldntgetC.weredriving;wouldntgetD.haddriven;wouldnthavegot1.if从句中，从句中，省略省略if，were，had，should可以放在句可以放在句首，（用于倒装结构），否定词首，（用于倒装结构），否定词not不能放在前面。不能放在前面。1.If I were you,I would accept his advice.2.If it should rain tomorrow,I would stay at home.3.If you had studied hard before,you would have passed the exam.Hadyoustudiedhardbefore,WereIyou,Shoulditraintomorrow,.大家有疑问的，可以询问和交流大家有疑问的，可以询问和交流可以互相讨论下，但要小声点可以互相讨论下，但要小声点可以互相讨论下，但要小声点可以互相讨论下，但要小声点_itraintomorrow,wewouldhavetoputoffthevisittotheYangPuBridge.A.WereB.ShouldC.WouldD.WillIf it should rain tomorrow(省略if，用部分倒装）2.错综时间虚拟语气错综时间虚拟语气当从句与主句时间不一致时当从句与主句时间不一致时，动词的形式要根，动词的形式要根据它所表示的时间作出相应的调整。据它所表示的时间作出相应的调整。Ifyou_(follow)myadvicejustnow,you_(be)betternow.Ifyou_(study)hardbefore,you_(be)acollegestudentnow.had followedwould behad studiedwould beIfyou_withGeorgeearlier,you_soangrynow.A.talked;wouldnotbeB.hadtalked;wouldnotbeC.wouldtalk;wouldnotbeD.hadtalked;wouldnothavebeenIfwehadtakensucheffectivemeasuresmuchearlier,theriver_soseriouslynow.A.isnotpollutedB.wouldnotbepollutedC.hadnotbeenpollutedD.wouldnothavebeenpolluted3 3、含蓄虚拟语气、含蓄虚拟语气在虚拟语气中，并不总是出现在虚拟语气中，并不总是出现ifif引导的条件句，而引导的条件句，而通过其它手段来代替条件句。通过其它手段来代替条件句。常用的有常用的有otherwise，or，without，but for（倘没（倘没有，要不是）等。有，要不是）等。1.I was ill that day.Otherwise,I would have taken part in the sports meeting.=If I hadnt been ill that day,I would have taken part in the sports meeting.2.Hetelephonedtoinformmeofyourbirthday,orIwouldhaveknownnothingaboutit.3.Without/Butforyourhelp,wecouldnthavefinishedtheworkaheadoftime.=Ifithadnotbeenforyourhelp,Withoutelectricity,humanbeinglife_quitedifferenttoday.A.isB.willbeC.wouldhavebeenD.wouldbeButforhishelp,I_.A.shouldnothavesucceededB.havenotsucceededC.didnotsucceedD.hadnotsucceededHehesitatedforamomentbeforekickingtheball,otherwisehe_agoal.A.hadscoredB.scoredC.wouldscoreD.wouldhavescoredItisstrangethat_.他居然会这样说，真是奇怪。他居然会这样说，真是奇怪。Itisnecessarythat_.有必要派他去北京。有必要派他去北京。二、虚拟语气在主语从句中的使用二、虚拟语气在主语从句中的使用1，Its necessary/strange/natural/important/impossible that 主语主语+(should)+动词原形动词原形he(should)saysohebesenttoBeijing2.It is a pity/a shame/a surprise/no wonder that 主语+(should)+V原形Itisagreatpitythat_.他居然会这样想，真是一件憾事。他居然会这样想，真是一件憾事。he(should)thinkso3.It is/was suggested/ordered/demanded/proposed/（1234）+that+主语主语+(should)+V原形原形Its suggested that the plan should be carried out.It is suggested that_.有人建议，晚会周六举行。有人建议，晚会周六举行。the party（should）beheld on Saturday 一个坚持一个坚持insisted 两道命令两道命令 ordered,commanded 三条建议三条建议 advised,suggested,proposed四点要求四点要求 demanded,required,requested,desired1.Itisrequiredthatyou_atsix.A.willarriveB.arriveC.arrivedD.wouldarrive2.Itisstrangethatthelazyboy_passtheexam.A.hasB.shouldC.wouldD.might3.Itisnecessarythatourdrinkingwater_cleaner.A.shouldbemadeB.ismadeC.wouldbemadeD.wasmade三三.虚拟语气在宾语从句中的使用虚拟语气在宾语从句中的使用1.在在wish引导的宾语从句中引导的宾语从句中与现在事实相反与现在事实相反与与过去过去事实相反事实相反与与将来将来事实相反事实相反过去时（过去时（were）过去完成时、过去完成时、had+donecould have done Should/would/could/might+动词原形动词原形Iwish(that)he_(visit)ustomorrow.Iwish(that)he_(visit)ustoday.Iwishhe_(visit)usyesterday.would visitvisitedhadvisitedIwishI_themeetinglastweek.A.couldattendB.attendedC.haveattendedD.hadattended2.在表示坚持，要求在表示坚持，要求,命令命令,建议的宾语从句中建议的宾语从句中一个坚持一个坚持 _ 两个命令两个命令 _ 三个建议三个建议 _ 四个要求四个要求 _ +that 主语主语+（should）+V原形原形The doctor suggested that he(should)try（try）to lose his weight.He insisted that we(should)tell（tell）him the news.insist order,command advise,suggest,propose demand,require,request,desire 注意：注意：suggest:表明，暗示表明，暗示 陈述语气陈述语气 建议建议 虚拟语气虚拟语气Her pale face suggested that she _（be)ill.Her friends suggested that she _(send)to hospital immediately.Insist：坚持说，：坚持说，陈述语气陈述语气 坚持要求坚持要求 虚拟语气虚拟语气He insisted that he _(not steal)the money.He insisted that he _ (set)free.was(should)besenthadntstolen(should)beset3.在在wouldrather宁愿宁愿wouldpreferwouldsooner+宾语从句中宾语从句中hadratherwouldassoon与现在或将来事实相反与现在或将来事实相反过去时过去时动词过去式动词过去式/were与过去事实相反与过去事实相反过去完成时过去完成时haddoneIwouldratheryou_(come)herenow.Iwouldratheryou_(come)heretomorrow.Iwouldratheryou_(nottell)methetruthyesterday.camehadnttoldcame四、虚拟语气的其他用法四、虚拟语气的其他用法1.asif/asthough（好像）（好像）+从句从句(与与wish一样一样)ifonly(要是要是就好了）就好了）IfonlyI_(be)abirdIfonlyyou_（listen)toouradvice!IfonlyI_（be）asuperstarsomeday.Helooksasifhe_anartist.Hetalkedabouttheaccidentasifhe_it.werehadlistenedwouldbewerehadseen2.Itis(high/about)time+(that)从句从句动词过去式动词过去式should（不可省略）（不可省略）+do该是某人做某事的时候了。该是某人做某事的时候了。Itishightimethatyougotup/shouldgetup.Imgettingtired;itstimewe_home.A.goB.aregoingC.wentD.shouldbegoing3、在、在forfearthat,incase,lest引导的从句中，引导的从句中，若用虚拟语气时，从句谓语为：（若用虚拟语气时，从句谓语为：（should）+do。并且。并且should能省略（能省略（forfearthat，lest），），incase不能省略不能省略She examined the door again for fear that a thief _ (come)in.她又把门检查了一遍，以防盗贼的进入。He started out earlier lest he _ (be)late.他早早的就出发了以防迟到。(should)come(should)be4、在、在sothat/inorderthat所引导的目的状语所引导的目的状语从句中，从句中的谓语为：从句中，从句中的谓语为：may(might)can(could)+doshould He goes closer to the speaker so that he _him clearer.(hear)他走近说话的人以便能听得更清楚。He read the letter carefully in order that he _ a word.(miss)他把信读得很仔细以便不漏掉一个字。can hearshould not miss5.用于“May+主语+动词原形+其他”May you have a long and happy life！祝您快乐长寿！May you make greater progress!祝你取得更大进步！6.supposing /providing 假如，如果 even if /even through 即使 的虚拟与 if 相同 7.情态动词+have done (1)could/might have done 表示过去本来可以(能够)做某事，但实际上没有做到。(2)should(ought to)have done“本应该”，表示过去应该做而没做(3)neednt have done 必要做某事，但实际做了8.(1234)名词后定语从句-陈述语气 同位、表语从句虚拟语气