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“情态动词+havedone”的用法一、“musthavedone”一定做过…•表示对过去事情的肯定推测，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。二、can‘thavedonecouldn’thavedone不可能做过…•表示对过去事情的否定推测，“couldn’thavedone”较少使用。could与can意思相同，但可能性更小。•1.Mr.Smithcan‘thavegonetoBeijing,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.Marycan'thavestolenyourmoney.Shehasgonehome.玛丽不可能偷你的钱，她回家去了。could/canhavedone可能做过……吗•表示对过去行为的怀疑，用于疑问句。•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？三、may/mighthavedone可能已经做过…•表示对发生过的事情的推测，用于肯定句中。might与may意思相同，但可能性更小。•—WhathashappenedtoGeorge?•—Idon'tknow.Hemayhavegotlost.•—乔治发生了什么事？•——我不知道，他可能迷路了。四、wouldhavedone本来会做•虚拟语气，表示对过去事情的假设，意思是“”,一种假设。•1.Iwouldhavetoldyouallabouttheboy'sstory,butyoudidn'taskme.我本来会告诉你这个小男孩的故事，但是你没有问我。•2.Withoutyourhelp,Iwouldn'thaveachievedsomuch.没有你的帮助，我是不会取得如此大的成绩。五、couldhavedone本可以做某事（但没做）•couldhavedone本来可以，带有责备的意味•Youneedn’thavewalkedup;youcouldhavetakenthelift.你没必要走着上去，你本来可以乘电梯的。•Hecouldhavepassedtheexam,buthewastoocareless.本来他能够通过考试，但是他太粗心。六、shouldhavedone本应该做某事（而实际没做）•shouldn‘thavedone本不应该做某事，（而实际做了）。含有指责对方或自责的含意。•Tom,youaretoolazy.Theworkshouldhavebeenfinishedyesterday.汤姆，你太懒惰了，这项工作本来应该昨天就做完的。•Look,Tomiscrying.Ishouldn'thavebeensoharshonhim.看，汤姆哭了，我本来不应该对他如此严厉。七、oughttohavedone理应做……•“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。八、needhavedone本来需要做某事(而没有做)•否定式为“needn‘thavedone”表示“本来不需要做某事而做了”。•Ineedn‘thaveboughtsomuchwine—onlyfivepeoplecame.我本来没有必要买这么多酒，只来了五个人。•Heneedhavehurriedtothestation.Inthatcase,bewouldn'thavemissedthetrain.他本来需要快点去车站，那样的话，他就不会误了火车。1.musthavedone2.can‘thavedonecouldn’thavedonecould/canhavedone3.may/mighthavedone4.wouldhavedone5.couldhavedone6.shouldhavedone7.oughttohavedone8.needhavedone一定做过不可能做过可能做过可能已经做过本来会做本可以做某事本应该做某事理应做本来需要做某事有强烈的感情色彩，如责备，后悔等虚拟，假设各种假设•1．---Youdidn’twaitforMr.Smithlastnight,didyou?---Actually,we______.Hedidn’treturnhomeatall.A.couldn’thavewaitedB.needn’thavewaitedC.didn’tneedtowaitD.shouldwait•2．Harry______havewonthePhysicscompetitioneasilyyesterday,buthegaveup.A.couldB.mightC.shouldD.must•3．---MayIspeaktoyourmanagerMr.Smithatsixo’clocktonight?”---“I’msorry,Mr.Smithtoaconferencebeforethen.”A.willhavegoneB.hadgoneC.wouldhavegoneD.hasgone•4．---Tomtookawayourteacher’scellphonewithoutbeingpermitted.---Really?Ican’timaginethathe_______havedonesuchathing.A.mustB.mayC.canD.should•5．---Wasityouthatmadethesuggestion?---Ithavebeen.Ican’tremember.A.needB.mustC.shouldD.may•6．Theweatherturnedouttobefineyesterday.I_________thetroubletocarrymyumbrellawithme.A.shouldhavetakenB.couldhavetakenC.needn'thavetakenD.mustn'thavetaken•7．Hepaidforaseat,whenhe______haveenteredfree.A.couldB.wouldC.mustD.need•8．Ididn’tseeherinthemeetingroomthismorning.Sheatthemeeting.A.mustn’thavespokenB.mightn’thavespokenC.can’thavespokenD.shouldn’thavespoken•9．---Hi,isthatPeterBrown?---Sorry.You______thewrongnumber.A.mustcallB.musthavecalledC.shouldcallD.shouldhavecalled•10．Iwasonthehighwaywhenthiscarwentpastfollowedbyapolicecar.They______atleast150kilometersanhour.A.shouldhavebeendoingB.musthavebeendoingC.couldhavedoneD.wouldhavedone•11.Heisnotpoor.You____havelenthimthemoney.A.can’tB.needn’tC.couldn’tD.mustn’t•12.Therewasplentyoftime.You___havehurried.A.won’tB.mustn’tC.needn’tD.couldn’t•13.They____havefinishedtheworkyesterday,butitwasraininghard.•A.mustB.couldC.shouldD.might•14.I____hereintime,butImetanoldfriendofmine.Istoppedandtalkedwithhimforsometime.A.shouldn’thavecomeB.musthavecomeC.needn’thavecomeD.couldhavecome•15.Ididn’thearthephone.I____asleep.A.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen