中考英语情态动词讲解与练习课件 48页

EnglishMODELVERBSWelcometo中考专题复习\n情态动词有一定的词义，但词意不完整,不能单独作谓语，必须和实义动词连用,表说话人对某一动作或状态的态度和看法。情态动词后面跟动词原形，没有人称和数的变化。表示否定时在情态动词后加not(haveto除外),表示疑问时将情态动词提至主语前即可\n情态动词否定式否定式简略形式CanCouldMaymightMustShallShouldWillwouldCannot/cannotCouldMaynotMightnotMustnotShallnotShouldnotWillwouldCan’tCouldn’tMayn’tMustn’tShan’tShould’t常见情态动词\ncancould的用法：1.Ability(能力)LiuXiangcanrunthe110mhurdleracewithin13seconds.\ncan/could:1.can一般表示与生俱来的能力或者一种客观可能性，could表示过去的能力。LearningEnglish_____bedifficult.canMancannotlivewithoutair.LinglingcouldplaythepianoattheAgeofsix.\n2.Can表示请求和允许。CanI...?意思是“我可以……吗？”较口语化._CanIuseyourbike?Yes,youcan.No,youcan’t\maynot.\ncan/could:2.在疑问句中，用could可表示请求，语气较委婉。肯定回答时,常用原形can或者may,不可再用过去式could。—____IwatchTVnow?—Yes,you_____./No,you_____CouldHeasksifhe____smokehere.couldcan/maycan’t/I’mafraidnot\ncan/could:3.表示推测(只能用在否定句或疑问句中。)It’ssolate.CanTombereading?Hecan’tbeintheofficenow,forthelightisoff\n1)can和could例句1)Mymothercanusethecomputernow.2)Shecanswimfast,butIcan’t.3)CanIplayfootballnow,Mum?4)Youcanusemydictionary.5)Canthenewsbetrue?6)Hecan’thavegonetherealone.用法can表能力表请求、允许表推测(否、疑)could1)Hecouldwritepoemswhenhewasten.2)Shecouldn’tunderstandmeatthattime3)CouldIaskyouaquestion?表过去能力表委婉请求summary小结\ncan和beableto表示能力时用法相同。can只有现在和过去时，而beableto则有更多的时态形式。表经过努力,成功地完成某事，通常不用can,而用beableto(相当于manageto/succeedindoingsth)。Thewoundedman___________gettothevillageandwassavedintheend.A.couldB.wasabletocan/could,beableto区别\nAttention:can/beableto区别:AbigfirebrokeoutinABChotelyesterday.Luckily,everyone__________runoutofthebuilding.wasableto2.She_____speakbothEnglishandFrench.can\nI’msotired!Ihavetodothetrainingforatleast10hoursaday!must的用法1.表示义务…yethemustworkhardtowinthegoldmedal.AlthoughLiuXiangissogifted(天赋的）inhurdlerace…\nMust指说话人认为“主观”上应尽的义务haveto:指根据约定,指说话人认为做某事有“客观”必要Thetrainleavesat7o’clock.I(must/haveto)gonowIdon’tlikemywatch.I_______(must/haveto)buyanewone.\n2.must表示肯定的猜测，译为“一定”，不能用于否定句或疑问句。Thismustbeyourpen.Hemustbedoinghishomeworknow.Hemusthavearrivedalready.must\nhaveto表客观上的需要,可用于现在时、将来时和过去时。Must表个人意志和主观上的需要，用于现在时和将来时;表规章制度Must为必须,mustn’t为禁止,回答must问句,肯定用must,否定用needn’t或don’t/doesn’thaveto表不必;must还表示肯定的推测。用Must,haveto填空1.IknowI______studyhard.2.Mymotherisill.I________lookafterherathome.Must,haveto区别musthaveto\nmust/havetomust例句用法1)YoumuststayhereuntilIcomeback.2)MustIhandinmyhomeworkrightnow?No,youneedn’t./don’thaveto.Yes,youmust.3)Thelightison,sohemustbeathomenow.表主观看法肯定句表推测haveto1)It’stoolate,Ihavetoleavenow.2)Youwon’thavetowaitforme.表客观需要Summary小结\nShiDongpengmightwinamedalattheOlympicGames.Althoughthechanceofwinningamedalissmall,I’lltrymybest!3may\might的用法：表示可能性may常用于肯定句中。might是may的过去式，表可能性小。。\nAttention:veryuncertainalmostcertainmightmustmaycould1.He_____beathome.2.He_____beathome,forhejustcalledmefromhishome15secondsago.A.mayB.mightC.mustA.mayB.mightC.must(can)\ncan,may/might,must表推测Can用于否定句和疑问句,用来表示有把握的否定，相当于beimpossible;may/might相当于benotcertain,用于肯定句,might可能性低于may;must相当于becertain,表有把握的揣测。用can,may/might,must填空1.Pleaseaskthatman.He______knowthat.2.Thelightison,sohe______beathome.3.It______beWeiFang.Sheisatschoolnow.4.—AreyoucomingtoJeff’sparty?—I’mnotsure.I______gototheconcertinstead.maymustcan’tmight\nAttention:—They___bedoingtheexperimentinthelab.—Why？—Becausethelightsarestillburning.A.couldB.canC.mustD.would\n2May、minght表示允许或请求MayIeatKFCifIwinthegoldmedal?\nmay/might:1.表示许可。表示请求、允许时，might比may的语气更委婉一些。—Might/MayIuseyourcomputer?—Yes,youcan./No,youcan’t/mustn’t.\nmay/might:2.用于祈使句中表示祝愿。3.表示推测、可能（只用于肯定句，疑问句则要用can或could）。祝你成功！Mayyousucceed.Hemaybeverybusynow.Mayyoubehappyallyourlife.\nmay与mightmay例句1)MayIborrowyourmobilephone?Yes,youmay.No,youmustn’t./No,youcan’t.2)Itmayraintomorrow.Shemaybeathome.用法表请求许可肯定句表推测might1)Heisawayfromschool.Hemightbesick.表推测可能小Let'ssummary小结\nShall的用法1、表示提出建议Shallwedothetraininginthemorning?It’stoohottotakeexerciseintheafternoon.\nshall:Shall用于第一称疑问句中，表示说话人征求对方的意见、向对方请示或提供帮助。1.Shallwebeginourlesson?2.ShallIcarrythisbagforyou?\nShould表示提出意见Youshouldnoteatsomuchbeforerunning.Howdelicious!!!\nshould:.Should表示劝告、建议。ShouldIopenthewindow?我们应当要相互学习。Weshouldlearnfromeachother.\nshall和shouldShall例句1)Shallwegooutforawalk?2)Whatshallwedrink?用法征求对方意见should1)Weshouldprotectourenvironment.2)Youshoulddoitbetternexttime.劝告﹑建议义务﹑责任用shall／should填空。1.When________wemeet?2.You_______seeadoctor.shallshouldlet'ssummary\nwill/would的用法:1.表示意志、愿望和决心。Iwillneverdothatagain.\nwill/would:Attention:Iwillgototheparkwithyoutomorrowifyouwilloffermelunch.Question:Isthissentencecorrect?Why?情态动词表示“意愿”\nwill/would:2.表示请求、建议等，would比will委婉客气。sentencepatternWouldyouplease…Wouldyoumind…Wouldrather…Wouldyoulike…\nWouldyouliketodosth?Yes,I’dlike/loveto.Sorry,Ihavetodosth.Ican’t.Wouldyoulikesth?Yes,please./Allright./Ok.No,thanks.Would句型巧回答日常生活中常用would问句,向对方礼貌地提出建议或邀请,我们尤其要注意口语交际中它的回答。\nwill/wouldwill1)IwillhelpyouifIamfreethisafternoon.例句用法意愿﹑意志﹑打算would1)ItoldhimthatIwouldgoalongwithhim.2)Wouldyoupleasenotsmokehere?3)WhenIwasachild,Iwouldgoswim-Mingwithotherchildreninsummer.4)Iwouldhavetwowingsandthenflytothemoon.主观愿意征求意见过去习惯未来想象let'ssummary小结\n9.need1)Need作情态动词时,表“必要”,多用于否定句或疑问句,一般不用于肯定句。回答need问句,肯定用must,否定用needn’t。No,youneedn’t.NeedIstayhereanylonger?Yes,youmust.Weneedn’thurry.2)need作实义动词,有人称、数和时态变化,后多接动词不定式。Heneedsanewcoat.用Need的适当形式填空。1)He______moneynow.2)______she______tobringthebookhere?3)We___________________workthatday.(not)4)Theboy____________anyhelp.(not)needsDoesneedneedn’t/didn’tneedtodoesn’tneed\n10.hadbetter1)Wehadbettergonow.2)Youhadbetternotgivethebooktohim.hadbetter建议(最好做某事)Whenyouaresleeping,youhadbetter_______Allyourwindowsclosed.(江苏南通)don’tkeepB.notkeepC.NottokeepD.notkeeping注意:hadbetter有强硬命令的语气,对长辈不宜使用\nIcanspeakEnglish!IcanspeakEnglish!IcanreadEnglish!让我们现学现用吧！\nIcan'tsleep.Ihavetodomyhomework.\nIshouldn'tbelateforschool!MayIcomein?\nItmustbeaball.BALLItmay/mightbeabasketballball.What’sthis?\n情态动词考点揭密1）在一定场合下熟练运用不同的情态动词。2）识记情态动词的特殊用法。应试高分注意1）情态动词一般疑问句的否定回答2）情态动词表推测的用法3）情态动词表能力/许可/义务的用法。中考命题特点\n1.---Dad,mustIfinishmyhomeworktoday？---No，you______.youmayfinishittomorrow.A.needn’tB.mustn’tC.don’tD.won’t2.---MayIputmybikehere?---No,you______.Youshouldputitoverthere.A.maynotB.mustn’tC.needn’t解答锦囊掌握情态动词问句的回答：MayI…?Yes,…may.No,…mustn’t/can’t.MustI…?Yes,…must.No,…needn’t/don’thaveto.\n表示推测1.---IsMr.Browndrivinghere？---I’mnotsure.He______comebytrain.A.mayB.canC.needD.must2.---Who’sthatboyreadinginthegarden?IsitDavid?---It______beDavid.Isawhimintheclassroomjustnow.A.mustB.can’tC.mayD.needn’t3.I’msurethisbook______LiLei’s,becausethereishisnameonit.A.can’tbeB.maybeC.mightbeD.mustbe解答锦囊掌握推测用法:肯定可能性由Must→may→might逐步递减;Can’t则用于否定句、疑问句。\n1.---Lisa,______youspeakFrench？---Yes,butonlyalittle.A.mayB.canC.needD.must2.---______Iuseyourmobilephone?---Certainly.Hereyouare.A.MayB.MustC.shouldD.need3.---Mum,canIgotothemoviestoday?---No,butyou______finishyourschoolworkfirst.A.canB.can’tC.mustD.needn’t解答锦囊掌握基本用法:can表能力,may表许可,must表义务。\n真题演练1.---IsLucyknockingatthedoor?---No.It______beLucy.SheisinJapen.A.needn’tB.mustC.can’t2.---Haveyouseenmyglasses?I_____findthem.---sorry,Ihaven’tseenthem.A.can’tB.shouldn’tC.won’tD.mustn’t3.Whentrafficlightsarered,we______stopandwait.A.mayB.canC.mustD.might4.---MustIWaitforherenow?---No,you_____.Youmaygiveittometomorrow.A.don’thavetoB.mustn’tC.can’tD.shouldn’t\nsummmary用法归纳needhavetoshallshouldWillwouldcancouldmaymust能力许可推测，否定与疑问句推测，肯定句许可必定(肯定句)必须(主观)推测（肯定句）必须（客观）不得不必要（否定、疑问句）建议义务责任主观愿望请求希望\nHomeworkReviewtheusageofmodalverbsandfinishtheexercisepaper\nThankyou!Bye!