初一英语：情态动词canmustmay的用法知识讲解

只供学习与交流只供学习与交流此文档仅供收集于网络，如有侵权请联系网站删除学员编号：学员姓名：年级：辅导科目：一点初此课时数及课时进度:学科教师：学科组长/带头人签名及日期课 题情态动词授课时间：备课时间：教学目标情态动词can,must,may的用法重点、难点掌握三个「青态动词的用法考点及考试要求掌握W态动词的用法并能灵活运用教学内容Step1:homeworkcheckinganddictationStep2:情态动词一、概念：情态动词是一种本身有一定的词义，表示说话人的情绪、态度或语气的动词，但不能单独作谓语，只能和其他动词原形构成复合谓语，没有人称和数的变化。情态动词数量不多，但用途广泛，主要有：can(could),may(might),must,need,oughtto,dare(dared),sha(should),will(would).二、can/could.表示能力(如体力和脑力方面)，意为“能、会”CanyouspeakChinese?Canyouplaybasketball?.表示请求或者允许，多用在口语中，意为“可以、能”等客观条件的允许。用于疑问句中用来提出要求，用于否定句中表示不允许。Canyouhelpme?Youcantplaythecomputer.表示可能，理论上的可能。Hecanbeoutnow.Itcantbusunnyallthetime.此文档仅供收集于网络，如有侵权请联系网站删除.表示说话人的猜测、怀疑、不肯定等，主要用于否定句、疑问句、感叹句中，带哟感情色彩。Howcanyobesorude!Canhebeback?.could可以作为can的过去式，也可以在提出请求时表示委婉。Hecouldsavethelittleboy.Couldyouhelpme?三、may,might.表示“许可、准许"，此时与can同义，可以互换使用Youmay/cangotothecinemathisevening.☆注意：表许可时其答语可以用“Yes,youmay:但是由于用may做肯定回答语气显得生硬、严肃，因此一般用Yes,please./Certainly./Ofcours这些回答显得热情、客气。拒绝对方时，其答语可以用No,youmustn't./No,youcan't./Sorry,youcant/No,pleasedont等--MayIcomein?--Yes,please--MayIuseyourruler? --Certainly.Hereyouare..表示可能性时，常用在肯定句中，意为“可能、也许”Hemaybeverybusynow.Hesaidthatshemightnotbeatworktoday..can和may都可以表示推测。Can通常用在否定句和疑问句中，may通常用在肯定句和否定句中。虽然两者都可以用于否定句，但是程度不同， can't的语气比maynot更强。Itcantbetrue.Itmaynotbetrue..表示希望、祈求、祝愿，常可以译为“祝愿”Mayyouhaveagoodtime.Mayyoubehappy..might可以作为may的过去式，也可以在提出请求时表委婉；在表示可能性时， might的可能性比may更小☆注意：can和may的区别.can和may都可以表示“许可”，在征求对方意见时用may比较多MayIgonow?.在询问客观上是否可以时，用can Canwetakethebooksout?.在两者都可以用时，may更客气一些此文档仅供收集于网络，如有侵权请联系网站删除.在陈述句中用can比较多 Youcansithere..can还可以表示能力，may无此用法.在否定句中一般不用maynot,常用can't表示不可能Hecan'tbeathometonight.四、must.表示“必须、一定要”，多强调说话人的主观看法（表示客观需要时，常用 否定式mustn't表示"一定不要，禁止”Youmustseethedoctor.Mustyougosoon?对于must开头的一般疑问句，如果要做否定回答，可以用 needn't,don'thaveto,不能用mustn't--MustIcomeovertonight?--No,youneedn't.表示推测，意为“准是，一定是"，但是通常只用于肯定句，在否定句、疑问句中通常用 can'tItmustbetrue.Canitbetrue? Itcan'tbetrueStep3：Practice一、用can,may,must的适当形式填空Iaskyouaquestion?Attendingaball beexcitingMichael beapoliceman,forheismushtooshort.RreyoucomingtoJeffsparty? --I'mnotsure.I gototheconcertinstead.Henevertakesataxi.He beverypoor.Ithoughtyou likesomethingtoread,soIbroughtyousomebooks.Look!I standonmyhands.He havebeentoShanghai.Theplayisnotinteresting.Ireally gonow.She likethisplace.二、根据汉语提示给出下列句子的回答-Mustwehandinourexercisebookstoday? 不，没有必要）此文档仅供收集于网络，如有侵权请联系网站删除CanIcallyoubyyourfirstname? 罡的，可以）CouldIcomehereagaintomorrow? 罡的，你可以来）Mustwesendinourplathisweek? 罡的，必须交）MayIuseyoupen? ir以，给你）三、选择Helen goonthetripwithus,butsheisntquitesureyet.AshallBmustCmayDcanJohnny,you playwiththeknife,you hurtyourself.Awon't,can't Bmustnt,may Cshouldnt,must Dcan't,shouldn'tAcomputer thinkforitself;itmustbetoldwhattodo.Acan'tBcouldn't Cmaynot Dmightnot-CouldIborrowyourdictionary? --Yes,ofcourseyou .AmustBmightCcanDcouldHow yousaythatyoureallyunderstandthewholestoryifyouhavecoveredonlyapartofthearticle?AcanBmustCneedDmayOh,dear!Whatonearth thismean?AcouldBcanCmayDmight-MustIfinishmyhomeworktoday? --No,you .Acan't Bneednt. Cmustn't Dmaynot-- IspeaktoMary?--Speaking.AMustBNeedCMayDShallThismatchproblemistoohard.Nobody doit.AmaynotBmayCcant Dcan-CanyouspeakJapanese?--No,I .Acan't Bmustn't CmaynotDneedn't此文档仅供收集于网络，如有侵权请联系网站删除四、在空格处填入适当的词，一空一词Tom:Excueseme. youtellmethewaytoNo.3MiddleSchool?WangHai: ,Imastudentthere.Imgoingtoschoolnow.You followme.Tom:Thankyou!ImnewinNo.3MiddleSchool.MynameisTom. Iknowyouname?W:WangHai.Why yourparentssendyoutoschoolforthefirsttime?T:Well,Ipreferdoingthingsbymyself.HoweverI,mluckytoday.Youaresohelpful.Thankyou!W:It'sapleasure.Weareschoolmatesnow. youpleasehelpmewithmyEnglish?T: !ImweakinChinese, youteachmeChinese?W:Sure!Letshelpeachother.T:Goodidea!W:Bytheway,howdoyoulikeChinesetraditionalmusic?T:Verymuch!Erhu,dizi,andpipasoundreallywonderful.W:Thereisgoingto aChinesetraditionalmusicconcertattheCapitalSatdiurhvegottwotickets.Wouldyouliketocome?T: loveto.thankssomuch!W:Don'tmentionit!Step4：morepracticeHomework一、单项选择Asweknow,fish dieoutofwater.A.mayB.isgoingtoC.canD.will-Canyouanswermyquestion,Lily?-Yes,I .A.mayB.needC.mustD.can-Excuseme, youtellmethewaytothenearestbusstation?--Sorry,Ican't.I'mastrangerhere.A.canB.needC.mustD.mayAftersuchalongjourney,thechildren beverytirednow.A.canB.mustC.havetoD.need此文档仅供收集于网络，如有侵权请联系网站删除Y)u'vemadethesamemistakesagain.Youbemorecarefulnexttime.A.canB.mayC.hadtoD.shouldWouldyouliketogoswimmingwithmethisafternoon?--I'dloveto.ButI'mafraidI.Ihavetoomuchworktodo.A.can'tB.mustn'C.needn'D.maynot--youliketogoshoppingwithme?-Yes,I.A.Would,would B.W川，willlikeC.Would,wouldloveD.Would,wouldloveto."CouldIcallyoubyyourfirstname?""Yes,you."A.willB.couldC.mayD.might选C,为什么不可以选B或D.Youwalkformilesandmilesamongthehillswithoutmeetinganyone.A.mustB.needC.mayD.should选C,为什么不能选D,推测的可能性会大一些.Iwasn'tsurewhetherIoffertohelpornot.A.shouldB.