情态动词 have-done的用法PPT课件

.,1,“情态动词+havedone”的用法,毓思泽。2010、1、18,.,2,一、“must+have+done”,表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。1.Itmusthaverainedlastnight,forthegroundiswet.昨晚一定下雨了，因为地面还是湿的。2.Youmusthavebeenmadtospeaktotheservant.你和仆人说话，一定是发疯了。,.,3,二、“cant+have+done”,表示对过去事情的否定推测，译成“不可能做过某事”。1.Mr.SmithcanthavegonetoBeijing,forIsawhiminthelibraryjustnow.史密斯先生不可能去北京了，我刚才还在图书馆见过他。2.Marycanthavestolenyourmoney.Shehasgonehome.玛丽不可能偷你的钱，她回家去了。,.,4,三、“cansbhave+done?”,表示对过去行为的怀疑，用于疑问句，译成“可能做过吗？”。1.Thereisnolightintheroom.Cantheyhavegoneout?屋里没有灯，他们可能出去了吗？2.Thereisnowheretofindthem.Wherecantheyhavegone?到处找不到他们，他们可能到什么地方去呢？,.,5,四、“could+have+done”,是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。Hecouldhavepassedtheexam,buthewastoocareless.本来他能够通过考试，但是他太粗心。,.,6,五、“may+have+done”,表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。WhathashappenedtoGeorge?Idontknow.Hemayhavegotlost.乔治发生了什么事？我不知道，他可能迷路了。,.,7,六、“might+have+done”,表示对过去事情的推测，might与may意思相同，但可能性更小。多用于虚拟语气结构中。1.Hemighthavegivenyoumorehelp,eventhoughhewasbusy.(MET90)他或许会多给你一些帮助，即使他很忙。2.Shemighthaveachievedgreaterprogress,ifyouhadgivenhermorechances.如果你多给她点机会，她可能已经取得更大的成绩。,.,8,七、“would+have+done”,虚拟语气，表示对过去事情的假设，意思是“本来会做”。1.Iwouldhavetoldyouallabouttheboysstory,butyoudidntaskme.我本来会告诉你这个小男孩的故事，但是你没有问我。2.Withoutyourhelp,Iwouldnthaveachievedsomuch.没有你的帮助，我是不会取得如此大的成绩。,.,9,八、“should+have+done”,意思是“本来应该做某事，而实际没做。”“shouldnt+have+done”表示本来不应该做某事，而实际做了。含有指责对方或自责的含意。1.Tom,youaretoolazy.Theworkshouldhavebeenfinishedyesterday.汤姆，你太懒惰了，这项工作本来应该昨天就做完的。2.Look,Tomiscrying.Ishouldnthavebeensoharshonhim.看，汤姆哭了，我本来不应该对他如此严厉。,.,10,九、“oughtto+have+done”,表示过去应该做而实际并没有做，译成“理应做”，往往表示遗憾。与“should+have+done”用法基本一样。IoughttohavegonehomelastSunday.我理应上星期日回家。Yououghtnottohavegivenhimmorehelp.你不应该帮助他那么多。,.,11,十、“need+have+done”,表示本来需要做某事而没有做。“neednt+have+done”则表示“本来不需要做某事而做了”。Ineednthaveboughtsomuchwineonlyfivepeoplecame.我本来没有必要买这么多酒，只来了五个人。Heneedhavehurriedtothestation.Inthatcase,hewouldnthavemissedthetrain.他本来需要快点去车站，那样的话，他就不会误了火车。,.,12,高考题,1.Theweatherturnedouttobefineyesterday.I_thetroubletocarrymyumbrellawithme.A.shouldhavetakenB.couldhavetakenC.neednthavetakenD.mustnthavetaken2.We_haveprovedgreatadventurers,butwehavedonethegreatestmarchevermadeinthepasttenyears.A.needntB.maynotC.shouldntD.mustnt3.Asyouworkedlateyesterday,you_comethismorning.A.mayntB.cantC.mustntD.neednt,V,V,V,.,13,4I_havewatchedthatmovieitllgivemehorribledreams.A.shouldntB.needntC.couldntD.mustnt5Markhavehurried.Afterdrivingattopspeed,hearrivedhalfanhourearly.A.needntB.wouldntC.mustntD.couldnt6Itakethebookout?Imafraidnot.A.WillB.MayC.MustD.Need,V,V,V,.,14,7Ihaventgotthereferencebookyet,butIllhaveatestonthesubjectnextmonth.Dontworry.You_haveitbyFriday.A.couldB.shallC.mustD.may8MayItakethisbookoutofthereadingroom?No,you.Youreaditinhere.A.mightntB.wontC.needntD.mustnt9-Sorry,ProfessorSmith.Ididntfinishtheassignmentyesterday.-Oh,youhavedoneitasyesterdaywasthedeadline.A.mustB.mustntC.shouldD.shouldnt,V,V,V,.,15,10It_havebeenTomthatparkedthecarhere,asheistheonlyonewithacar.A.mayB.canC.mustD.should11Hi,Tom.AnyideawhereJaneis?She_intheclassroom.Isawhertherejustnow.A.shallbeB.shouldhavebeenC.mustbeD.mighthavebeen12Hedidnotregretsayingwhathedidbutfeltthatheitdifferently.A.couldexpressB.wouldexpressC.couldhaveexpressedD.musthaveexpressed,V,V,V,.,16,13Shehaveleftschool，forherbikeisstillhere.A.cantB.wouldntC.shouldntD.neednt14Whatapity!Consideringhisabilityandexperience，hebetter.A.needhavedoneB.musthavedoneC.canhavedoneD.mighthavedone15Icantfindmypurseanywhere.Youhavelostitwhileshopping.A.mayB.canC.shouldD.would,V,V,V,.,17,16Theresnolightontheybeathome.A.cantB.mustntC.needntD.shouldnt17Whatsthename?Khulaifi.Ispellthatforyou?A.ShallB.WouldC.CanD.Might18CouldIhaveawordwithyou，mum?Ohdear，ifyou.A.canB.mustC.mayD.should,V,V,V,.,18,19MyMP4playerisntinmybag.WhereIhaveputit?A.canB.mustC.shouldD.would2