情态动词表猜测byTony

Grammar情态动词表猜测byTony共23页，您现在浏览的是第1页!(可能是Mary。)(绝对不是Mary。)(可能不是Tom。)

Mum:Whoisit?J:ItmustbeTom.M:ItmaybeMary.J:Itcan’tbeMary.SheisinChina.M:ItmaynotbeTom.Jim:(一定是Tom。)情态动词表猜测byTony共23页，您现在浏览的是第2页!(可能是Kate。)(绝对不是Marry。)(可能不是Tom。)

Mum:Whoisit?Jim:(一定是Tom。)ItmustbeTom.ItmaybeKate.Itcan’tbeMarryItmaynotbeTom.情态动词表猜测byTony共23页，您现在浏览的是第3页!Usesomemodalverbstosaysth.thatispossible.MUSTCANMIGHTFORMS肯定形式否定形式疑问形式备注

must//

cancan’t/cannotCan···？

couldcouldnotCould···？

maymaynot

mightmightnotCOULDMAY情态动词表猜测byTony共23页，您现在浏览的是第4页!can可表示客观的可能性,逻辑上的可能性,并不牵涉具体事情是否发生，要表示某事发生的实际可能性时，须用could,may,might。CouldIuseyourbike,Jack?Ofcourse,youcan.Itcan’tbeTom,becausehehadgonetoUSA.情态动词表猜测byTony共23页，您现在浏览的是第5页!ModalVerbs(3)mustcan/couldmay/mightWhenyouareverysureofsomething,youuse________inpositivesentenceand________or_________innegativesentences.Whenyouthinkthatsomethingispossible,butyouarenotverysure,youuse________,_________or__________.mustcannotcan’tcouldmightmay情态动词表猜测byTony共23页，您现在浏览的是第6页!6.Comeon,let’shurry.Theymaybewaitingforusattheschoolgate.5.Youcan’tbeserious,________?areyou情态动词表猜测byTony共23页，您现在浏览的是第7页!can/could的用法can/could表示的可能性比must小，can表现在和将来，could既可表过去，也可表现在或将来，但它的可能性比can小。can/could可与not连用，表示否定推测，也可用于疑问句中.Can/could表推测时，其反间疑句也是根据动词的实际时态国以变化。如：你不可能当真的，对不对？Youcan’tbeserious,areyou?4.can/couldhavedone，意为“本来能够”，用于否定句时，意为“过去（不）可能”，而实际上都未发生。如：你本来可以来早点的。Youcouldhaveeearlier.情态动词表猜测byTony共23页，您现在浏览的是第8页!MayhavedoneMighthavedoneCouldhavedoneCanhavedoneShouldhavedoneOughttohavedoneShouldn’thavedoneCan’thavedoneCouldn’thavedone可能已经做过某事也许已经做过某事本来可以做某事本来可以做某事本来应该做某事本来应该做某事本来不应该做某事不可能已经做过某事不可能已经做过某事对过去事情的推测：情态动词表猜测byTony共23页，您现在浏览的是第9页!1.Theskyiscloudy.Youhadbetterbringyourraincoatalong.It_____thisafternoon.A.mayrainB.mightrainC.mayhaverainedD.mighthaverained基础篇：情态动词表猜测byTony共23页，您现在浏览的是第10页!3.Whereismypen?I______it.A.mightloseB.wouldhavelostC.shouldhavelostD.musthavelost情态动词表猜测byTony共23页，您现在浏览的是第11页!5.---Irangyourflatyesterday.AmanansweredbutIdidn’trecognisethevoice.---Oh,it____mybrotherPeter.A.mustbeB.musthavebeenC.canhavebeenD.mightbe情态动词表猜测byTony共23页，您现在浏览的是第12页!8.Ididn’thearthephone.I_____asleep.(MET’89)A.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen情态动词表猜测byTony共23页，您现在浏览的是第13页!

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MightMayCouldCanMustUNCERTAINCERTAIN情态动词表猜测byTony共23页，您现在浏览的是第14页!1.Accidentscanhappenonsuchrainydays.2.Willyouanswerthedoorbell?Itmaybeyourfather.3.WemaygocampingnextSunday.4.Watercanbeturnedintoiceifitiscoldenough.情态动词表猜测byTony共23页，您现在浏览的是第15页!2.Itmusthaverainedlastnight,_________?Itmustbenicetotakeawalkhere,__________?表示推测时，其反意疑问句应根据动词的实际时态而变化。如：isn’tit

didn’tit3.Hemusthavebeenmetyousomewherebefore,___________?4.Youmusthaveseenheryesterday,_______________?didn’tyouhasn’the情态动词表猜测byTony共23页，您现在浏览的是第16页!Iamnotsurewhetherhewilleornot.Hemustetonight.Hemustn’tbeanAmericanbecausehecan’tspeakEnglishatall.Itriedtocallhimattheoffice,butthereisnoreply.Hecanbeathome.maycan’tmay情态动词表猜测byTony共23页，您现在浏览的是第17页!may/might的用法may/might的可能性最小，往往表示原因说话人对某事没把握May/might可与not连用，表示否定推测，但may用于疑问句时中能表示请求允许。Theteachermaynotbeserious.MayIleavenow?3.May/mighthavedone,表示对过去可能发生某事的推测。如：你在做这件事时也许注意到了什么。Youmayhavenoticedsomethingwhileyouweredoingthis.情态动词表猜测byTony共23页，您现在浏览的是第18页!1.Imayhavebeenprettyinthosedays.2.Hecan’thavebeentoBeijing.3.Shemighthavebeenhurtatthepartyyesterday.4.Youshouldhavehelpedhim.5.Icouldhavefinishedmyhomework,butyourradiowastoonoisy.6.Youshouldn’thavequarreledwithhim.7.Yououghttohavebeenherefiveminutesearlier.情态动词表猜测byTony共23页，您现在浏览的是第19页!2.Peter____ewithustonight,butheisn’tverysureyet.A.mustB.canC.mayD.will情态动词表猜测byTony共23页，您现在浏览的是第20页!4.Suchabusinessman_____honest;hegetshismoneybydishonestways.A.can’tbeB.can’thavebeenC.maybeD.maynotbe情态动词表猜测byTony共23页，您现在浏览的是第21页!6.This___beawoman’shandkerchief.It____beaman’s.A.can’t;m