您好,欢迎访问三七文档
11.定义:情态动词表示说话者的情感、态度和语气。2.特点情态动词不能单独做谓语,其后必须加其他动词的原形一起构成谓语情态动词没有人称和数的变化在意义上,情态动词具有“多义性”例:can既可表示能力,又可以表示可能、允许等意义。3.情态动词的基本句型肯定句:主语+情态动词+动词原形+其他否定句:主语+情态动词+not+动词原形+其他疑问句:情态动词+主语+动词原形+其他?(2015年南雅月考)Middleschoolstudentstousemobilephoneatschool.A.shouldbenotallowedB.ShouldnotbeallowedC.shouldnotallowed4.考点归纳-------常见情态动词的用法can的用法(重点考查)①表示能力,与beableto同义。但can用于现在时和过去时,而beableto可用于各种时态。如:Hecanspeakthreelanguages.=Heisabletospeakthreelanguages.他会说三种语言。②在疑问句表请求,意为“可以”。注意:在回答表示允许、请求的Couldyou(please)do...?句型中,若表示同意时,用can回答而不用could。如:—Couldyougiveusahand?你能帮我们一下吗?—Yes,Ican.是的,我能。③表示推测,用在疑问句或否定句中,can意为“可能”,can’t则意为“不可能”。如:Canthenewsbetrue?这则消息有可能是真的吗?Bobcan’tbesleeping.Thelightinhisroomisstillon.鲍勃不可能在睡觉。他房间的灯还亮着。【及时巩固】(2017长沙麓山国际实验学校第一次月考,28)---CouldIparkhere?----Iamafraidyou___.Lookatthesign“NoParking”.A.couldn’tB.can’tC.needn’t(2016长沙长郡教育集团联考,23)----_____doesthisT-shirtbelongto?----I’mnotsure,butit___beLily’s.A.Whose;mightnotB.Who;cannotC.Who;mustnotmust的用法(重点考查)①表示义务、命令或要求,意为“必须”(主观意志)。如:Wemustdoeverythingstepbystep.我们必须脚踏实地做好每件事。【注意】Must...?句式的否定回答为:No,…needn't/don’thaveto。如:2—MustIfinishtheworktoday?今天我必须完成这项工作吗?—No,youneedn’t.不,不必了。②表示肯定猜测,意为“一定”。如:Marymusthavesomeproblems.Shekeepscrying.玛丽肯定遇到麻烦了,她老是哭。【注意】在肯定句中must表示对某事有把握的推测;在否定句中的推测用can’t。【及时巩固】.—(2014铜仁)MustIwatertheflowersnow,mum?—No,you________.You_______doitlater.A.mustn’t;mustB.mustn’t;mayC.needn’t;maymay的用法①表示允许、请求,常与第一人称连用。如:MayIcomein?我可以进来吗?②表示推测,可与maybe互换。如:Shemayknowthenews.=Maybesheknowsthenews.或许她知道这则消息。③表示祝愿,意为“祝……”。如:Mayyoubehappy!祝你开心!注意:May开头的疑问句表示许可否定No,...mustn’t/can’t.[及时巩固]1.(2017南雅中学第一次模拟,27)WhileGojiberries____getmuchlovefromyoungpeopleinChina,theyseemtobewarmlywelcomedoverseas.A.mustnotB.maynotC.shouldnotA.May;CanB.Must;NeedC.Could;Must2.(2016扬州)—Excuseme,mayIkeepthebookalittlelonger?—Sorry.You________returnittoday.A.mustB.mustn’tC.canD.can’t3.(2014北京)—MustIhandinmyhomeworknow,Mr.Smith?—No,you_______.A.can’tB.shouldn’tC.wouldn’tD.needn’t4.(2014宁波)___youleavenow?Youonlyarrivedhereanhourago.—Sorry,butsomuchhomeworkiswaitingforme.A.MayB.MustC.Canshall与should的用法①表示征求建议或请求,常用在Shallwe/ShallI...?句型中,意为“……好吗?”。如:Shallweputoffthesportsmeetinguntilnextmonth?我们将运动会推迟到下个月好吗?②should用于各种人称,强调义务或责任。如:Ithinkchildrenshouldreallylearntorespecttheirelders.我认为孩子们应该好好学习尊敬长辈。3will与would的用法①will或would用于第二人称疑问句中,表示征求意见或建议。(would比will更委婉)如:Will/Wouldyoupleasetakeoutthetrash?请你把垃圾倒掉好吗?②will用于各种人称表示意愿。如:—Turnoffthelightswhenyouleavetheclassroom.离开教室的时候要关灯。—Yes,Iwill.好的,我会的。hadbetter意为“最好”,没有人称和数的变化,后接动词原形。否定为hadbetternotdosth[及时巩固]1.(2015南雅入学考试)You’dbetterinclassA.nottalkB.don’ttalkC.nottotalk2.Youhadbetter________yourhaircut.A.hadB.haveC.toget【课后练习】28.(2017·德州)Insomecountries,people________download(下载)musicfromtheInternetwithoutpaying,becauseit'sagainstthelaw.A.wouldn'tB.needn'tC.mustn'tD.couldn't29.(2017·温州)—We'veorderedtoomuchfood.I________eatanymore.—Nevermind.Let'takeithome.A.can'tB.mustn'tC.needn'tD.shouldn't30.(2017·河北)Ihavetravelledalot.I________speakfourlanguages.A.canB.mayC.mustD.need31.(2017·北京)—________Ihandinthereporttoday?—No,youneedn't.A.CanB.MustC.ShallD.Could32.(2017·鄂州)—Thetallmanwithglassesovertherelookslikeourmathteacher.—It________behim.Hehasgoneabroad.A.maynotB.mustn'tC.can'tD.needn't33.(2017·安徽)—Mum,I'vesignedforthebox.What'sinit?—I'mnotsure.It________beapresentfromyouruncle.A.needB.mustC.mayD.will34.(2017·青岛)Weshouldkeepquietinthecinema.We________speakloudly.A.canB.mustC.needn'tD.mustn't435.(2017·大连)—Haveyoudecidedwheretospendyourholiday?—Notyet.We________gotoBeijing.A.mayB.mustC.shouldD.need36.(2017·武汉)—Haveyougottheresultsoftheexam?—No.Allwe________donowistowait.A.mustB.canC.mayD.could37.(2017·天津)Whenyouaretravelling,bringamapbecauseit________helpyou.A.can'tB.mustn'tC.usedtoD.may38.(2017·广东)Tokeepchildrensafe,we________putthethingslikeknivesandmedicineawayinourhouse.A.mayB.shouldC.canD.might39.(2017·荆州)—SixtydollarsforsuchaTshirt!You________bejoking!—I'mserious.It'smadeofsilkfromHangzhou.[来源:Zxxk.Com]A.mustB.needC.willD.can40.(2017·乐山)—________youtellmethedifferencesbetweenthesetwophotos?—No.Theylookquitesimilar,nearlythesame.A.CanB.MayC.Must41.(2017·重庆)—Robert,couldyouwashthecarforme?—Yes,I________.I'mcoming,Dad.A.couldB.couldn'tC.canD.can't
本文标题:中考-情态动词
链接地址:https://www.777doc.com/doc-4760799 .html