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高一英语Unit15grammar情态动词课件新课标人教版.PPT

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DutyreportGrammar?6.MyEnglish-Chinesedictionaryhasdisappeared.Who____havetakenit?a.shouldb.mustc.couldd.would7.MysistermethimattheGrandTheateryesterdayafternoon,sohe______lecture.a.couldn’thaveattendedb.needn’thaveattendedc.mustn’thaveattendedd.shouldn’thaveattended8.----CouldIborrowyourdictionary?----Yes,ofcourseyou____.(NMET1992)a.mightb.willc.cand.shouldA:Whoarethetwopersonsoverthere?B:Theymightbetourists…A:Tourists?Theycan’tbe,I’mafraid.Touristsusuallytakecameras,andcapswiththem.B:You’reright.Theycouldbeactors.Yousee,theylookbeautiful.A:I’mafraidIcan’tagreewithyou.Theymustbewritersorphotographers,Ithink.B:Theymaybewriters;butcantheybePhotographers?Don’tphotographerstakecameraswiththem?A:Right,theycan’tbephotographers.A:Whoarethetwopersonsoverthere?B:Theymightbetourists…A:Tourists?Theycan’tbe,I’mafraid.Touristsusuallytakecameras,andcapswiththem.B:You’reright.Theycouldbeactors.Yousee,theylookbeautiful.A:I’mafraidIcan’tagreewithyou.Theymustbewritersorphotographers,Ithink.B:Theymaybewriters;butcantheybePhotographers?Don’tphotographerstakecameraswiththem?A:Right,theycan’tbephotographers.ThemorewePractice,thehappierweare!Can’tbe/doCan’tbedoingsth.不可能正在做…Can’thavedonesth.不可能已经做…Couldhavedone可能已经…本来能够而…Icouldhavedonebetter.