2019届中考英语二轮复习《第2讲动词分类与谓语动词》讲义

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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_________Canyoupassmesomepap

2、er?Couldyoupleasetellmewherethebookstoreis?Youcangonow.表_________—Whoissinginginthenextroom?IsitLucy?—Itcan’tbeher.ShehasgonetoNewYork.may&might表_________—MayIknowyourname?—MightIknowyourname?—Yes,you__________.—No,you__________.Youmaygonow.表__________Shemayknowtheanswer,butI’mnotsure.—Haveyo

3、udecidedwheretogoforyourweekend?—Notyet.WemaygotoQingdao.must&haveto___________Themovieisboring.Imustgonow.Driversmustwearthesafetybeltwhendriving.Thisisthetrafficrule.Mymothercalledme.Ihavetogonow.—Dad,mustIpracticethepianotoday?—Yes,you_______.—No,you______./No,youdon’thaveto.Youmaydoittomo

4、rrow.___________Youmustn’tnipofftheflowers.Youdon’thavetobeinahurry.（没必要）表_________—Whosenotebookisthis?—ItmustbelongtoTom.Isawheuseditjustnow.Hemusthaveknownthetruth.need___________Youneednotgethereearly.—NeedIrepeatit?—Yes,you______./No,you_______.___________Sheneedsadictionarytohelpherstud

5、y.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.Shemay/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

6、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，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

7、.(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)⑤hadbetterhavedonesth.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”，