Module6TheTangPoemsPeriod2GrammarandUsage--Reviewofmodals▇Goals●Toreviewmodels(1):must,can’t,may/might;(2)should,could,would,etc▇ProceduresStep1:Models插入人教试验3、4Step2:Reviewtheusageofmodels+havedone1.can+havedone“(过去)可能/也许”,表示对过去发生行为的推测,常用于否定句和疑问句中.Hecan’thavebeenthere.他不可能到过那里.Cantheyhavecompletedtheirworksosoon?这项工作他们竟会完成得这么快?Wherecanshehavegone?她可能到哪儿去了呢?2.could+havedone有两个意思,须根据上下文判断.1)意思和用法同can+havedone,只是语气更委婉.Hecouldn’thavemadeamistake.他不可能弄错.Shecouldn’thavegonebadthatfar.她不可能坏到如此地步.2)用于肯定句,意为:”(过去)本来可能/也许”(而实际上未做),表虚拟.Icouldhavecomeyesterday.我昨天本可以来的.(其实没有)Youcouldhavemadegreaterprogress.你的进步本来可能更大些.(事实并非如此)3.may+havedone意为”(过去)可能/也许”,同can+havedone,不过要用于肯定句和否定句中.Youmayhavereadaboutitinthepapers.你可能已在报上看到这个消息了.Hemaynothavegotourtelegram.他可能没有收到我们的电报.4.might+havedone也有两个意思,须根据句意或上下文判断.(1)意思和用法同may+havedone,不过might表示的可能性更小,语气更加委婉.Youmighthavegotinspirationfromthesewords.或许你已经从这些话中得到了启示.Hemightnothavegonehome,hemighthavegonesomewhereelse.他也许没回家,或许到别的地方.(2)用于肯定句,意为:”(过去)本来可能发生可以”,表虚拟.Hemighthavegone,butpreferredtoremain.他本来可以去的，但他宁愿留下来。Youmighthavebeenmorethoughtful.他本来可以考虑得更周详一些的。5.must+havedone“（过去）一定”只用于肯定句，其否定式用can’t/couldn’t+havedone（不可能）Herfatherthoughtthatshemusthavemetafairy.他父亲以为她一定遇上了一位仙女。用心爱心专心116号编辑Ididn’thearthephone,Imusthavebeenasleep.我没听见电话响，一定是睡着了。6.Needn’t+havedone意为“本来不必”，与完成式连用只能用于否定句。Therewasplentyoftime,sheneedn’thaveworried.时间很充裕，她本来不需要充忙。Youneedn’thavewateredthevegetableasitisgoingtorain.这些蔬菜本来用不着浇水的，天要下雨啦。7.Should/ought+havedone意为“本来该”，而事实上没做；shouldn’t/oughtn’tto+havedone意为“本来不该做”，而实际上做了。这种结构含有“责备，批评，劝告，后悔，遗憾。”Youshouldhavebeenherefiveminutesago.五分钟之前你就应该到这儿了。Theplantisdead,Ishouldhavegivenitmorewater.这株植物死了，我本该给它多浇点水。Tomoughtnottohavetoldmeyoursecret,buthemeantnoharm.汤姆本来不该把你的秘密告诉我，不过，他并无伤害你的意思。Youshouldn’thavelefttheclassroomwithouttheteacher’spermissions.你本来不应该未经老师允许就离开教室的Ihavelostthebooks.Ioughttohavereturnedthemtothelibrarylastweek.我把书丢了，我本该上周还给图书馆的。Step2:Exercisesforconsolidation:choosethecorrectanswers.1.--What____itbe?--It____beacar,foritisnotmoving.It____beahouse.A.must;mustn’t;canB.can;can’t;mustC.can;can;mustD.can;mustn’t;must2.Thefirespreadthroughthehotelveryquickly,buteveryone_____getout.A.hadtoB.wouldC.couldD.wasableto3.Thestudentsare_____tohandintheexercisesbeforeclass.A.hopedB.suggestedC.agreedD.wished4.Johnny,you____playwiththeknife,you____hurtyourself.A.won’t;can’tB.mustn’t;mayC.shouldn’t;mustD.can’t;shouldn’t5.Theplantisdead.I______itmorewater.A.willgiveB.wouldhavegivenC.mustgiveD.shouldhavegiven6.It’snearlyseveno’clock.Jack_____behereanymoment.A.mustB.needC.shouldD.can7.---Therewerealreadyfivepeopleinthecarbuttheymanagedtotakemeaswell.---It_____acomfortablejourney.A.can’tbeB.shouldn’tbeC.mustn’tha...
