虚拟语气专题课件.ppt

What would you do if you won the lottery?If I won the lottery,I would Grammar and usageUnit3Unrealconditionals1.一般条件句中虚拟语气的用法。一般条件句中虚拟语气的用法。2.一般条件句中虚拟语气的倒装。一般条件句中虚拟语气的倒装。3.复习其他一些基本用法。复习其他一些基本用法。Main tasks:if条件句中虚拟语气的用法条件句中虚拟语气的用法1.state a present condition or situation IfIwereyou,Iwouldaskmyparentsforhelp.IfIhadthechance,Imightwanttobeatranslator.一、一、一般条件一般条件句中虚拟语气的用法句中虚拟语气的用法unrealpresentconditionals:Ifwere/did,would/could/might do1.假如我有更多的时间，我就会学习法语。IfIhadmoretime,IwouldstudyFrench.2.要不是她这么忙要不是她这么忙,她就会出席现在的会议了。她就会出席现在的会议了。Practice:Ifshewerenotsobusy,shewouldattendthemeetingnow.Tips:1)would,couldandmightareofteninterchangeable,butwithsomedifferenceinmeaning.wouldintention;plancouldability;possibilitymightprobability2)InwrittenEnglishorinformalsituation,weusuallyusewereinIf-clausesinplaceofwas.However,ineverydayconversation,wasisoftenused.2.refertoanimaginarypastaction.IfthemanhadpointedwithhisfirstfingerwhilehewasinBrunei,everyonewouldhavethought thathewasveryrude.unreal past conditionals:If had been/done,would/could/might have done 1)如果他抓紧时间，他本来能赶上那趟火车。如果他抓紧时间，他本来能赶上那趟火车。If he had hurried,he could have caught the train.2)如果你昨天告诉他，他也许会提些建议了。如果你昨天告诉他，他也许会提些建议了。If you had told him yesterday,he might have made some suggestions.3.unrealfutureconditionals:1)If I had time tomorrow,I would certainly help you.2)If I were to fail my English test,I would have to take it again at the end of the term.3)If he should come tomorrow,I would talk to him about it.unrealfutureconditionals:If did/should/were to,would/should/might do 1)假如我要出国，我就会去中国。假如我要出国，我就会去中国。If I were to go abroad,I would go to China.2)万一明天下雨，我们的运动会就推迟。万一明天下雨，我们的运动会就推迟。If it should rain tomorrow,our sports meeting would be put off.表示与事实情况相反表示与事实情况相反 if条件条件从句从句的谓语形式的谓语形式主句主句的谓语形式的谓语形式 表示与表示与现在事实现在事实情情况相反况相反(present)表示与表示与过去事实过去事实情情况相反况相反(past)(past)表示与表示与将来事实将来事实情情况相反况相反(future)(future)过去式过去式(did/were)(be常用常用 were)过去式过去式(did)/(were)should+do were to do过去完成式过去完成式(had+done)would/could/might/should+dowould/could/might/should+have donewould/could/might/should+do虚拟语气在条件从句中虚拟语气在条件从句中 注意：注意：错综时间虚拟条件句：错综时间虚拟条件句：指主句和从句的动作不是发生在同一时指主句和从句的动作不是发生在同一时间。需要根据意思采用表示不同时间的动间。需要根据意思采用表示不同时间的动作形式。作形式。Ifhehadlistenedtome,hewouldnotbeinsuchtroublenow.从句：从句：PAST 主句主句：PRESENT IfI_(take)Frenchinhighschool,I_(have)morejobopportunitiesnow.But I didnt take French in high school and I dont have many job opportunities.had takenwould have1.如果他当时吃了药如果他当时吃了药,现在就痊愈了。现在就痊愈了。If he _ the medicine,he _ all right now.2.我要是你的话我要是你的话,我当时就听从他的建议了。我当时就听从他的建议了。If I _ you,I _his advice.hadtakenwouldbewerewouldhavetakenPractice:Practice:Wecanalsoputshould,wereandhadatthebeginningofanunrealconditionalsentence.Inthiscase,ifisnotneededanymore.1)Ifyoushouldmakeamistake,youshouldnotbeembarrassed.Shouldyoumakeamistake,youshouldnotbeembarrassed.二、条件句中虚拟语气的倒装二、条件句中虚拟语气的倒装2)Ifyouhadtoldmeearlier,Iwouldnothavethisproblemnow.Hadyoutoldmeearlier,Iwouldnothavethisproblemnow.3)Ifyouweretotakethetrain,youwouldbetheremuchsooner.Wereyoutotakethetrain,youwouldbetheremuchsooner.注意注意:如果省略的条件句中的谓语如果省略的条件句中的谓语动词是否定形式时动词是否定形式时,不能用动词的缩不能用动词的缩略形式略形式.我们可以说我们可以说:Were it not for the expense,I would go abroad now.但不但不说说:Werent it for _she_yesterday,shewouldmeetthefamoussingertoday.A.Hadnt;leftB.Had;notleftB.C.If;didntleaveD.Didnt;leaveTIPSB.Had;notleftPracticeFill in the blanks with the verbs given in the brackets in their proper forms.1.Youdidntletmedrive.Ifwe(drive)inturn,you(notget)sotired.2._it_(notbe)foryourhelp,Icouldnthavemadeanyprogress.3._it_(rain)tomorrow,thematchwouldbecalledoff.haddrivenwouldnthavegotHadnotbeenWeretorain4.MostofthestudentsfeltratherdisappointedattheEnglishparty.Theysaidthatit(organize)better.5.Welldone,Jack！Thanks.Butgivenmoretime,I_(do)itbetter.mighthavebeenorganizedcould/might/wouldhavedone 6.The mother carelessly put the knife within the babys reach,and the baby cut herself while playing it.If the mother had carefully put the knife out of the babys reach,the baby wouldnt have cut herself.Had the mother carefully put the knife out of the babys reach,the baby wouldnt have cut herself.8.Thebusinessisrisky.But_,wewouldberich.A.shouldwesucceedB.weshouldsucceedC.mightwesucceedD.wouldwesucceedA.shouldwesucceed9.Whatwouldhavehappened,_,asfarastheriverbank?A.BobhadwalkedfartherB.ifBobshouldwalkfartherC.hadBobwalkedfartherD.ifBobwalkedfartherC.hadBobwalkedfartherHe talked as if he _(discuss)the issue with Obama.1.as if/thoughHe looks as if he _(be)an artist.三、复习学过的其他虚拟语气三、复习学过的其他虚拟语气werehad discussed1.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 brokenC2.The actor is 58 years old.But he acts as if he _ a young man.A.is B.will be C.am D.wereD3.The clouds are getting darker and darker.It looks as if it _rain.A.is going to B.will C.was going to D.wouldA2.would rathersb.did(not)sth.sb.had(not)done sth.Shall I open the window?Id rather you _.Id rather I _（熬夜）（熬夜）last night.didnthad not stayed up lateI would rather you_(pay)me now.I would rather you _(go),too yesterday.Dont come.I would rather you_(come)tomorrow.paidhad gonecamePratice3.由由suggest/propose/advise/recommend/order/require/demand/request/insist/urge/command引导的宾语从句以引导的宾语从句以及这些动词其他词形所构成的主从、及这些动词其他词形所构成的主从、表从、同从，要用表从、同从，要用should虚拟语气。虚拟语气。His suggestion is that the question _(discuss)immediately.She gave the order that the test _(finish)before 6.It is suggested that the car_(repair)as soon as possible.We all suggest that he _(finish)his work first.be finishedbe repairedshould finishshould be discussed 4.It is necessary/important/essential/strange/urgent/natural/advisable that 主语主语+should doshould correctIt is necessary that you _(correct)some mistakes.should have done真奇怪，她竟然干出这种事儿来。真奇怪，她竟然干出这种事儿来。It is strange that she _ it.5.wish1.wish(that)+S+did/were（与现在事实相反）与现在事实相反）IwishIwereasyoungasyou.2.wish(that)+S+had done(与过去事实相反）与过去事实相反）IwishthatIhadnotmethimyesterday.3.wish that+S+would/could/might do（与将来事实相反）（与将来事实相反）Isntityourwishthatyoucouldbuyacarlikethat?1.The picture exhibition bored me to death.I2.wish I _to it.A.hadnt gone B.havent goneC.didnt go D.could not have goneA2.How I wish I _ that!Everybody present was angry with me.A.didnt go B.hadnt done C.wouldnt do D.wasnt doingB3.He is a brave man.Yes,I wish I _ his courage.A.Have B.had C.will have D.would haveB4.Tom can take his car apart and put it back together again.I certainly wish he _ me how.A.teaches B.will teach C.has taught D.would teachD6.Its(about/high)time+that should dodid你该走了你该走了。我们该吃饭了。我们该吃饭了。Its high time that you went.Its high time that you were going.Its high time that you should go.Its time that we had dinnerIts time that we should have dinner.表示与事实情况相反表示与事实情况相反 if条件条件从句从句的谓语形式的谓语形式主句主句的谓语形式的谓语形式 表示与表示与现在事实现在事实情情况相反况相反(present)表示与表示与过去事实过去事实情情况相反况相反(past)(past)表示与表示与将来事实将来事实情情况相反况相反(future)(future)过去式过去式(did/were)(be常用常用 were)过去式过去式(did)/(were)should+do were to do过去完成式过去完成式(had+done)would/could/might/should+dowould/could/might/should+have donewould/could/might/should+do A quick summary 一、虚拟语气在条件从句中一、虚拟语气在条件从句中二、条件句中虚拟语气的倒装二、条件句中虚拟语气的倒装if条件句中有had,were,should时,省略if，将had,were,should提到句首。三、复习其他虚拟语气的形式三、复习其他虚拟语气的形式 1.as if/though 2.would rather sb.did(not)sth.sb.had(not)done sth.3.由由suggest/propose/advise/recommend/order/require/demand/request/insist/urge/command引导的宾语从句以及这些动词其引导的宾语从句以及这些动词其他词形所构成的主从、表从、同从，要用他词形所构成的主从、表从、同从，要用should虚拟语气。虚拟语气。4.It is necessary/important/essential/strange/urgent/natural/advisable that 主语主语+should do 5.wish.did/would/had done.6.Its(about/high)time+that.did/should do.(did 更常用）更常用）Consolidation1.MissLirequestedthatherstudents_ontimetoeveryclass.A.HastobeB.wereC.mustbeD.be2.Hedemandedthatthelaboratoryreport_immediatelyaftertheexperimentwasdone,A.waswrittenB.bewrittenC.mustbewrittenD.wouldbewrittenDB3._the exam,he would have attended a college.A.If he passed B.Had he passedC.Were he passed D.If he should passB4._ five minutes earlier,you could have seen them off.A.If you should arrive B.If you arriveC.Had you arrived D.Should you arriveC 5._it rain tomorrow,we should have to put off the visit to the Science Museum.A.Were B.should C.would D.willB6.Ididntseeyoursisteratthemeeting.Ifshe_,shewouldhavemetmybrother.A.hascomeB.didcomeC.cameD.hadcome7.-Ifhe_,he_thatfood.-Luckilyhewassenttothehospitalimmediately.A.waswarmed;wouldnottakeB.hadbeenwarned;wouldnothavetakenC.wouldbewarned;hadnottakenD.wouldhavebeenwarned;hadnottakenDB8.Thetwostrangerstalkedasifthey_friendsforyears.A.shouldbeB.wouldbeC.havebeenD.hadbeen9.-HaveyoueverbeentoBeijing?-No,butIwishI_.A.haveB.willC.doD.hadDD10.Themonitormadeaproposalthatthewholeclass_thematter.A.discussedB.woulddiscussC.bediscussedD.discuss11.Itisnecessarythatourdrinkingwater_cleaner.A.shouldbemadeB.ismadeC.wouldbemadeD.wasmade12.Itishightimethatourchild_todosomehousework.A.learnedB.learnC.willlearnD.wouldlearnDAA13.-Didyougotoseethefootballmatchyesterday?-No,Ididntfeelwell,butIwouldhavegoneifI_.A.didB.haveC.wouldD.had14.Theworkwouldrequirethat_at5everymorning.A.shehasbeenthereB.shewasthereC.shebethereD.shewillbethereDC15.IfAlice_thisafternoon,themeetingshouldbeputoff.A.wouldnotcomeB.mightnotcomeC.shouldnotcomeD.couldnotcome16.Ifyouhadgonetoadoctor,you_allrightnow.A.areB.wereC.wouldhavebeenD.wouldbeCDAssignmentG0overunrealconditionals,inversion,andsomeotherrelatedsentencepatterns.Thank you!