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Grammar课标人教实验版高一Module3Unit11)can的主要用法是：A.___________：eg.Thegirlcandanceverywell.B._____________：eg.Canthenewsbetrue?C.________________:eg.CanIsithere?can和could：表示能力表示推测可能性表请求或允许（多用于疑问否定句中）•其他用法：表示请求，命令，惊讶，不相信等。•Canyouhelpmetoliftit,please?•Ifyouwon’tkeepquiet,youcangetout!•Youcan’tbeserious!2)could的主要用法是：A.__________________________________________________:eg.Weallknewthattheyoungmancouldn’tbeadoctor.我三岁就能看书了。FathersaidIcouldgooutwithmyfriends.could是can的过去式,表示过去的能力,许可和推测B.could可代替can表示请求,语气委婉eg.Couldyoulendmeyourbike?CouldIuseyourbike?-Yes，youcan•3表示现在的可能与能力，可能性要小。–What’sfordinner?Icouldeatahorse.–Mywifeisinhospital.Ourbabycouldarriveatanytime.•4表轻微的责备。–Youcouldbemorecareful.5)eg.Theycan't/couldn’thavegoneoutbecausethelightisstillon.can’t/couldn’thavedone过否猜mustdo/be现肯猜can'tdo/be现否猜musthavedone过肯猜must表示推测，语气非常肯定，近乎确定的意味，一般用在肯定句。如：Itmustbeeleveno’clocknow.Hemustgocrazy.IfMarydidn’tleavehereuntilfiveo’clock,shecan’tbehomeyet.如果玛丽五点才离开这儿，他此时一定还未到家。may和might：may常用来表示：A._________________________eg.MayIcomein?Yes,please.B.________________________表示请求、允许;比can正式:eg.--IbelievethemanisfromEngland.--ButImaybewrong.Theguestmayarrivethisafternoon表示猜测答语避免使用may，以免显得太严肃或太不客气Theroadmaybeblocked.这条路可能不通了。Theroadcanbeblocked.这条路可能会是不通的。在疑问句中，表示可能性用can。如：Wherecanhebe?他会在哪呢？可能性从大到小:must.cancouldmaymightC._____________________eg.Mayyousucceed!Mayyouhaveagoodjourney!表示祝愿;语气较正式:多在间接引语中表示过去的可能和允许。也可以表示现在的可能性，但是比may表示的可能性更小，且might可以用于虚拟语气，may不可以。might的用法有:Shesaidthathemighttakeherbike.她说他可以拿她的自行车去用。Youmightgetsomehelpfromherifshewerehere.will和would：1.Iwilltellyousomethingimportant.我将要告诉你一些重要的事WillyoutellherthatI'mhere?请您告诉她说我在这儿，好吗?Itoldhimnottodoit,buthewould.（助动词）（情态动词）will是助动词或是情态动词用于构成将来时是助动词。用于表“意志/决心/请求”是情态动词。would亦同理，只是表过去。2._____________________________________Ifyouwanthelp,letmeknow,willyou?如果你需要帮助,让我知道,好吗?Wouldyoutypethis,please?请打印这个，好吗？Won'tyousitdown?请坐下，好吗？疑问句中用于第二人称，提出请求表委婉不是表过去3._________________________Wouldyouhelpus,please?请您帮助我们，好吗？I’dgotherewithyou.我要和你一块到那儿去。Teacherwouldn’tallowit.老师不会允许这件事。（表请求）would比will客气委婉。（表意愿）（表许可）shall和should：1.PerhapsIshallpayavisittoEnglandthiswinter.可能今年冬天我会去英国观光。（构成一般将来时,助动词）shall用于构成将来时是助动词。（表“决心”，情态动词）Shallwegobytrain,Mom?妈妈，我们乘火车去好吗？Shallhecomein?要他进来吗？2.用于征求意见,是情态动词,一般用于第一人称和第三人称（表“决心”，情态动词）Don’tworrt,youshallgetthebook.Nothingshallstopus.Youshallgetwhatyoudeserve.Heshallbepunishedifhebreakstherule.Nooneshallsmokehere.2.用于表允诺，决心，警告，命令,或颁布法令规定等。用于二三人称。3.eg:Youshouldkeepyourpromise.你应该遵守诺言。Youshouldcallthepolice.*表示“按理说”。It’s8o’clocknow,heshouldbehereatanymoment.*表埋怨，用于“Shouldn’t…?”Shouldn’tyoubedoingyourhomeworknow?should表示义务/建议/劝告，意为“应该”。must的主要用法：1._________________eg:Wemustalldie.人总要死的。2.______________________eg:Youmustgetupearly.你必须早起来。表示必然性。表示强制/义务。如：Wemustn’twasteourtime.----MayItakethismagazineout?----No,youmustn’t.注意:mustnot:“禁止”。must用于一般疑问句的时候，肯定回答用yes,please或者I’mafraidso,其否定回答用needn’t或者don’thaveto•表示推测，意为“一定是”。–must+v对现在的推测–must+have+过去分词对过去的推测–must+be+v-ing对将来或现在进行时的推测•表示“偏偏”，表达对某事的不满或责备等情绪。–WhymustitrainonSunday?1.----____Igoouttoplay,mum?----No,you___.Youshoulddoyourhomeworkfirst.A.Might;wouldn’tB.May;hadbetternotC.Must;mustn’tD.Need;mustn’tB2.---WhereisEmma?---Ican’tsayforsurewheresheis,butshe___beoutshopping.A.canB.shouldC.mustD.mayD3.Theroomisinaterriblemess;it____cleaned.A.can’thavebeenB.couldn’tbeC.mayhavebeenD.wouldbeA4.How____yousaythatyoureallyunderstandthewholestoryifyouhavecoveredonlypartofthearticle?A.canB.mustC.needD.mayA5.There____beanydifficultyaboutpassingtheroadtestsinceyouhavepractisedalotinthedrivingschool.A.mustn’tB.shan’tC.shouldn’tD.needn’tC6.---JanehasjustcomebackfromChinaandshelookshappy.---She_________hertripverymuch.A.mustenjoyB.musthaveenjoyedC.mayenjoyDshouldhaveenjoyedB—WhencanIcomeforthephotos?Ineedthemtomorrowafternoon.—They_____bereadyby12:00.A.canB.shouldC.mightD.needBYoucan’timaginethatawell-behavedgentleman_____besorudetoalady.A.mightB.needC.shouldD.wouldC表示惊讶的语气