2013中考英语语法课件_7.情态动词

第二部分专题㈦情态动词考点揭密典型例题解析课时训练考点揭密1.掌握情态动词的定义：表示可能、怀疑、允诺、愿望、义务、必要、猜测等的动词是情态动词。2.掌握情态动词的特征：情态动词与其他动词是有区别的，它本身有一定的词义，表示说话人对某一动作的看法和态度，但不能单独作谓语，必须和另一个动词原形一起构成谓语；情态动词没有人称和数的变化，含有情态动词的句子改为问句和否定句时，考点揭密3.掌握常用情态动词can,could,may,might,must,need,shall,will,should,would等的用法。(1)can可表示能力、允许、可能性、怀疑猜测，意为“能，会，可以”；can't意为“不会，不能，不可以”，还有“不可能”之意。could为can的过去式，用法与can类似，常用于过去时中；could还可用于现在时中表示委婉客气，相当于can；could也可表示惊讶怀疑，不相信，如：Hecouldn'tbeathief.(2)may表示允许、也许，意为“可以，也许，可能”。对may的一般问句的回答，肯定回答一般是：Yes,please./Certainly/Sure等，否定回答一般是：Pleasedon't./No，youcan't/mustn't.might是may的过去式，与may用法类似，常用于过考点揭密(3)must表示必须要做的事，意为“必须，应该”。must一般问句的否定回答用needn't或don'thaveto,而不用mustn't，mustn't意为“不可以，不能”，表禁止，不许可。另外，must还可表示有把握的推测，意为“一定、肯定”。must的过去式还是must(4)need作情态动词主要用于问句和否定句中，意为“必要”。need一般问句的肯定回答用must，否定回答用needn't，如：NeedIdoitrightnow?肯定回答：Yes,youmust。否定回答：No,youneedn't.need作行为动词，有人称、数和时态的变化，后接动词要加todo考点揭密(5)shall,will用来征求对方意见，shall用于第一人称，will用于第二人称，用来表示意愿；shall用于第二、第三人称，will用于第一人称。(6)would,should为will，shall的过去式，would用于现在时，表示委婉提出请求、建议或看法，如Wouldyoupleasenotdoitagain?should还有“应该”的意思，但语气比must【例1】—Where'sMrLi?Ihavesomethingunusualtotellhim.—You____findhim.He______Japan.［2003，黑龙江］A.maynot,hasgonetoB.maynot,hasbeentoC.can't，hasgonetoD.can't,hasbeento典型例题解析【例3】—WhereisJack，please?—He______beintheclassroom.［2003A.canB.needC.wouldD.mustC【例2】—CouldIlookatyourpictures?—Yes,ofcourseyou_________.［2003A.couldB.canC.willD.mightBD【例4】TheboysaidhehadtospeakEnglishinclass，buthespeakitafterclass.［2003，广州］A.couldB.didn'thavetoC.mightD.shouldn't典型例题解析B【例5】Thesebooks_________outofthereadingroom.Youhavetoread,themhere.［2003，辽宁］A.can'ttakeB.mustbetakenC.cantakeD.mustn'tbetakenD1._________Iopenthewindow?It'shothere.A.MustB.ShallC.WillD.Would2.GoandaskMr.Liu.He_________tellyou.A.mayB.canC.wouldD.could3._________youpleasetellmethetimeplease?A.ShallB.WillC.MayD.Might4.—_________Itryoutalltheideas?—No,you_________.A.Must,mustn'tB.Need,needC.Must,don'thavetoD.Must,don't5._________IspeaktoMr.Green，please?A.WillB.CouldC.MustD.Would课时训练BABCB6.HesaidKate_____cometotheparty.ButIdon'tthinkso.A.couldB.mightC.needD.must7.—NeedIdomylessonsrightnow?—Yes,you_________.A.needB.canC.shouldD.must8.—Wouldyouliketogoswimmingwithmethisafternoon?—I'dloveto.ButI'mafraidI___.Ihavetoomuchworktodo.A.can'tB.mustn'tC.needn'tD.maynot9.Tomakeourcitymorebeautiful，rubbish_________intotheriver.A.needn'tbethrownB.mustn'tbethrownC.can'tthrowD.maynotthrow10.Don'tworry!Wecangettothebusstationintimeand_________theearlybus.A.don'tmissB.canmissC.willmissD.won'tmiss课时训练(B)(D)(A)(B)(D)11.—Pleasedon'tmakeanynoiseinthereadingroom.—_________A.Sorry,Iwon't.B.Sorry,Ican't.C.Yes,Iwon't.D.OK,Ididn't.12.—MustIreturnyourdigitalcameratomorrow.Tina?—No,you_________.A.mustn'tB.maynotC.needn'tD.won't13.—Wouldyoulikesomemore?—_________I'mfull.A.Yes,please.B.I'dloveto.C.No,Iwouldn't.D.No,thanks.14.You_________swiminthispartofthelake.It'sdangerous.A.mustn'tB.maynotC.needn'tD.won't15.—Youremailaddressagain?I______quitecatchit.—[e-mail]'tB.can'tC.won'tD.didn't课时训练ACADD