2012年中考英语考点21动词主谓一致有关动词的重点：只有动词才能作谓语。动词分为行为动词、系动词、助动词和情态动词等。（一）联系动词：be，become(成为)，turn(变颜色)，grow(变天气)，look，smell，taste，sound(good√，well×)，seem，feel。（二）有关use的词组：①usedtodo过去常常作，beusedtodoing习惯于。1.---MyauntgoestoclimbmountGueverySunday.---Oh!Butshe________hateclimbingmountain.A.usedtoB.usetoC.usestoD.isusedto2.Lileiisusedtogettingearly.注意：usedtodo的否定式为usednottodo或didn’tuseto疑问式为：Didsbuseto?或usedsb…?②人+usesthfordoing=人+usesthtodo用某物做…其被动形式为：物+beusedtodo=物+beusedfordoingPeopleusestoneforbuildinghouses=Peopleusestonetobuildhouses.Stoneisusedforbuildinghouses=Stoneisusedtobuildhouses.（三）can’t表示“不可能”即否定性推测。mustn’t禁止、不可能；must“一定”表示肯定性推测；must引起的问句，其否定回答为needn’t.1.Theman_______beLiLei.LiLeihasgonetoBeijing.A.can’tB.mustn’tC.maynotD.needn’t[2.Alotofcarsarecomingandgoing.You_______goacrossthestreet.A.needn’tB.maynotC.mustn’tD.must3.MustIreturnthebooktomorrowmorning?No,you_______.You_______keepitforthreedays.A.mustn’t,mayB.mustn’t,mustC.needn’t,canD.needn’t,may4.---Look!Themanatthegate_______beourheadmaster.Heisalwaysstandingthereeverymorning.---No,itbehim.Heisholdingameetingintheofficenow.A.must,can’tB.must,mustn’tC.can,can’tD.can,mustn’t（四）及物动词与介词搭配：give,show,pass,lend+物+to+sb=give(…)sbsthmake,sing,buy+物+for+sb=make(sing,buy)sbsth（五）及物动词+副词结构,构成的动词短语的宾语是人称代词时，把代词放中间get(it)back，put(it)on，take(it)off，turn(it)on，pick(it)up，try(it)on，look(it)up，wake(me)up，put(it)up.1.Smokingisbadforyourhealth.You’dbetter_______.A.giveupitB.giveitupC.takeoutitD.takeitout基础知识：情态动词（一）can：①表能力“能，会”；②表推测“可能”；③表允许“可以”。1.---youpassmeapen?I’dliketowritedownthephonenumber.---Sure,Hereitis.A.CanB.NeedC.MightD.Must（二）could：can的过去式，表过去的能力。但could本身也可作情态动词，表委婉请求。（三）may：①允许“可以”；②表推测“可能”。1.IswimwhenIwastenyearsold.2.Johngotherewithastonight,butheisnotverysureaboutit.A.mustB.canC.willD.may（四）must：①主观看法“必须”；②推测“一定”。（五）need：①情态动词：need+动原②实义动词：needtodo③needdoing=needtobedone1.Youworryaboutme.It’snothingserious.A.can’tB.mustn’tC.needn’tD.won’t（六）情态动词的被动态：情态动词+be+过分（七）maybe和maybe①maybe用于句首，可能；②maybe可能是1.Ifyoueatbadfood,youill.A.maybeB.can’tbeC.mustD.maybe练习1.---Mayweplayfootballinthestreet?---No,you_______.It’sdangerous.A.canB.mustn’tC.mayD.maynot2.Themanintheoffice______beMr.Blackbecausehewenthomejustnow.A.mustn’tB.maynotC.can’tD.needn’t3.Theoldmanwasquiteweakaftertheaccident.Sohe_______.A.mustbetakecareofB.musttakecareofC.mustbelookedafter4.Tomakeourcitymorebeautiful,rubbish________intotheriver.A.needn’tbethrownB.mustn’tbethrownC.can’tthrowD.maynotthrow5.---Hurryup,please!---It’squiteearly,you_________worryaboutthetime.A.mustn’tB.maynotC.needn’tD.can’t6.---There’ssomebodyatthedoor.Who_________itbe?---No,it________behim.It’sjustseveno’clock.It’stooearly.A.may,can’tB.will,won’tC.may,mustn’t7.---Excuseme,couldIborrowsomemoneyfromyou?---Ofcourseyou________.A.couldB.canC.mustD.need8.Theflower_________everyday,orthey’lldie.A.mustwaterB.canbewateredC.shouldwaterD.mustbewatered9...
