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新概念第一册部分语法1.问句:一般疑问句,特殊疑问句,选择疑问句,反意疑问句,选择疑问句,否定疑问句1)一般疑问句:助动词/be动词+主语Areyouateacher?Doyouwanttohaveacupoftea?2)特殊疑问句:特殊疑问词+一般疑问句Whatisyourname?3)选择疑问句:orDoyouwantbeeforlamb?4)反意疑问句:肯定陈述句+否定疑问部分,否定陈述部分+肯定疑问部分Youdon’tneedthatpen,doyou?5)否定疑问句:一般疑问句+否定词Aren’tyoulucky?Don’tyouwanthavearest?2.现在完成时1)构成:主语+助动词have,has+过去分词2)用法:①表示过去发生的和现在有某种联系的动作,常和just,usually,already,since等时间副词连用Ihavejusthadlunch.(饱了,不用再吃了)Hehashadacupof(不渴了,不用再喝)tea.Theyhavealreadyhadtheirholiday.(不能再度假了)Theboyhasalreadyreadthe(已经知道书的内容了,不用再看了)book.②询问别人是否做过某事一般用现在完成时:Haveyoufinishedyourhomework?///HaveyoubeentoBeijing?///Haveheseenthefilm?③表示开始于过去并持续到现在的动作IhavelivedinBeijingfortwentyyears.///Ihaveworkedforthisschoolfor1year.④表示一种经历,经验:去过…地方,做过…事情,经历过…事情Ihaveneverhadabath.///Ihaveneverseenafilm.Ihaveneverbeentocinema.///IhaveeverbeentoParis.注:Havebeento表示去过,havegoneto表示去了IhavebeentoLondon.(人已经回来)//////HehasgonetoLondon.(人还在那里)⑤表示一种结果,一般不和时间副词联用Ihavelostmypen.///Ihavehurtmyself.Hehasbecomeateacher.///Shehasbrokenmyheart.3)句型变化:★变疑问句将助动词移到句首,变否定句在助动词后面加not.e.g.Haveyoulostyourpen?Ihavenotlostmypen.★肯定回答及否定回答:Yes,Ihave.No,Ihavenot.★特殊疑问句:Whathaveyoudone?///Whathashedone?一般过去时与现在完成时的区别:凡是有明确的表示过去的时间状语的句子为过去时3.过去完成时:1)用法:在过去的时间里,两个动作中,发生在前的哪个动作要用过去完成时。2)结构:had+过去分词Aftershehadfinishedherhomework,shewentshopping.TheyhadsoldthecarbeforeIaskedtheprice.ThetrainhadleftbeforeIarrivedatthestation.After/before引导的时间状语从句放在句首要在句子后面加逗号,如果放在主句后则不用加。3)句型变化:①变疑问句将助动词移到句首:Hadshefinishedherhomework?②变否定句在助动词后面加not:Shehadn’tfinishedherhomework.③肯定回答及否定回答:Yes,shehad.No,shehadn’t.④特殊疑问句:Whathadshedone?4情态动词的使用:can,must,may,might,need,1)情态动词can(能够),must(必须),may(可以)结构:主语+can/must/may+动词原型Hecanmakethetea.Sallycanairtheroom.WecanspeakEnglish.★变疑问句将情态动词移到句首Canhemakethetea?CanSallyairtheroom?CanwespeakEnglish?★变否定句在情态动词后面加notHecannotmakethetea.Sallycannotairtheroom.WecannotspeakEnglish.★肯定回答及否定回答Yes,hecan.No,hecannot.Yes,shecan.No,shecannot.Yes,wecan.No,we