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时间:2018-12-15
《中考英语二轮复习第2讲动词分类与谓语动词讲义》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、动词分类与谓语动词【知识点睛】一、动词种类情态动词用法:没有人称和数的变化;不能单独作谓语,后面必须接动词原形构成谓语部分;变否定,情态动词后直接加not;变疑问,情态动词直接提前。can&could表_________HecanspeakEnglish.Hecouldrideabikewhenhewas7.Heissoyoungthathecan’tlookafterhimself.Hecouldn’twritewhenhewasonly2.IwillbeabletospeakGermanfluentlysomeday.表_________
2、Canyoupassmesomepaper?Couldyoupleasetellmewherethebookstoreis?Youcangonow.表_________—Whoissinginginthenextroom?IsitLucy?—Itcan’tbeher.ShehasgonetoNewYork.may&might表_________—MayIknowyourname?—MightIknowyourname?—Yes,you__________.—No,you__________.Youmaygonow.表__________She
3、mayknowtheanswer,butI’mnotsure.—Haveyoudecidedwheretogoforyourweekend?—Notyet.WemaygotoQingdao.must&haveto___________Themovieisboring.Imustgonow.Driversmustwearthesafetybeltwhendriving.Thisisthetrafficrule.Mymothercalledme.Ihavetogonow.—Dad,mustIpracticethepianotoday?—Yes,y
4、ou_______.—No,you______./No,youdon’thaveto.Youmaydoittomorrow.___________Youmustn’tnipofftheflowers.Youdon’thavetobeinahurry.(没必要)表_________—Whosenotebookisthis?—ItmustbelongtoTom.Isawheuseditjustnow.Hemusthaveknownthetruth.need___________Youneednotgethereearly.—NeedIrepeat
5、it?—Yes,you______./No,you_______.___________Sheneedsadictionarytohelpherstudy.Ineedtomakeaphonecall.Theroomneedscleaning.情态动词表推测——一肯,一否,三个不一定—Whosenotebookisthis?—ItmustbelongtoTom.Isawheuseditjustnow.—Whoissinginginthenextroom?IsitLucy?—Itcan’tbeher.ShehasgonetoNewYork.She
6、may/might/couldknowtheanswer,butI’mnotsure.情态动词+现在完成时1、表对过去的猜测、可能性①musthavedone“一定做了…”用于肯定句,语气最强。Thelightisoff.Hemusthaveslept.②may/mighthavedone可能做了…,语气弱,可能性小。其否定式意为“可能不…”,如:Hemightnothavebeenin.他可能不在家。might比may可能性更小。③can(could)nothavedone“不可能做了…”,语气强,can,could也可用于疑问句,表可能性
7、,如:Couldhehaveleft?2、表示虚拟语气,与过去事实相反,“本来应该”而“没有…”。①should(oughtto)havedone.本来应该做,而没做到如:Youshouldhaveaskedhimforhelp.(事实上没求他帮忙)②couldhavedone本来能够…,如:Hecouldhavepassedtheexam.(结果没通过)③mighthavedone本来可以…④needn’thavedone本来没必要…Youneedn’thavetakenataxi.Itisnotfar.(事实上坐出租车了)⑤hadbett
8、erhavedonesth.用于事后的建议,含轻微的责备的口吻,意为“当时最好做了某事”。⑥表示wouldratherhavedonesth.“当时宁愿做了某事”,
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