运用情态动词must

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1、Unit5ItmustbelongtoCarlaByLiXiaofeng(Revisionandselfcheck)Teachingaims1.运用情态动词must,could/might,can’t表示推测2.学会根据相关信息进行合理地推论3.通过英语谚语来学习、了解相关的英语文化4.培养学生的逻辑推理能力WordsandexpressionsstrangeeventsstrangenoisesunhappyneighborextremelyworriedStrangeeventsinBellTowerneighborhoodNotes:wifeZhouGufriendshims

2、elfparentsthepoliceQiHuiTheremustbesomethingvisitingthehomesinourneighborhood‼couldbeananimalmustbeteenagershavingfunmightbethewindmightbeadogLearntomakeinference能用来表示推测的情态动词must,may,might,could,can’t确信程度大小：must﹥may>might/could﹥can’t肯定和否定的推测：must（肯定）can’t，couldn’t(否定）Itmightbe…Who?Whatdoeshedo?

3、Can’thebeanactor?Whatdoyouthinkthemonkeyisdoing?Wheredoyouthinkthemanis?表示推测的情态动词小结1.Can用在否定句或疑问句中时表示说话人的“推测”和“不确定”eg:Itmaybetheheadmaster.No,itcan’tbehim.Hehasgonetoshanghai.Could也有怀疑和不确定的意思（在否定句中和疑问句中）eg：1.Atthetime,wethoughtthestorycouldbetrue.2.Hecouldn'tbeabadman2.May表示说话人的猜测，认为某一事情“或许”或“可

4、能”发生。Theremaybeaterriblestorminthefollowingfewdays.Might表示推测时，不表示时态。只表示可能性更小。Hemightbeathome.3.must用在肯定句中表示较有把握的推测，意为“一定”。Hemustbeworkingathome.EXERCISES:1.Thisbook____LiuYing’s.Look,hernameisonthebookcover.a.mustbeb.maybec.maybed.mustn’tbe2.-----Whoisthemanoverthere?IsitMr.Li?-----No,it______b

5、ehim.Mr.Liisinhishometownnow.a.mustn’tb.maynotc.can’td.needn’t3.-----Listen,someoneiscoming,who______itbe?-----It_____beTom.Hesaidhewastocomeatthetime.a.might;canb.can;mustc.can;mayd.could;can4.-----Mikeisabsenttoday.Whereishe?-----he_____beillathome.a.canb.mightc.mustd.shouldacbbb1.Fillineachb

6、lankwiththecorrectwordgiven.Changetheformofthewordifnecessary.anxiousstrangeworriedcarefulfavorite1.MarkTwainisMary’sauthor.2.Beofthedogthatdoesnotbark.3.Fredisafraidofflying.Hefeelsbeforehegetsontheplane.4.Ihaven’tseenmycatfortwodays.I’mveryabouther.5.There’sasmellinthehouse.Doyouknowwhatitis?

7、SelfCheckfavoritecarefulanxiousworriedstrangeAproverbisashortpopularsaying,usuallyofunknownandancientorigin,thatexpresseseffectivelysomecommontruthorusefulthought.Itisawisesaying.SelfCheck1.Onefingercannotliftasmallstone.2.Whenana