含有情态动词的肯定句改为一般疑问句PPT课件

.,1,复习：,含有be动词的肯定句改为一般疑问句的方法,一找二提三抄四变,找出be动词,be动词提前,其余照抄,句中人称I变youmy变yoursome变any.变？,.,2,含有情态动词的肯定句如何改为一般疑问句？,.,3,什么是情态动词？,情态动词表示说话人（或句子的主语）对某一动作或状态的一种感情和态度，本身具有各种意义，但不能单独作谓语，只能和主要动词一起构成谓语。,.,4,常见的情态动词有哪些？,canmaymustwillshallshould,.,5,翻译句子。,我会画画。学生应该努力学习。他必须每天早起。,Icandraw.,Studentsshouldstudyhard.,Hemustgetupearly.,快点观察一下这三个句子有什么特点。,.,6,把下面这三个含有情态动词的肯定句改为一般疑问句。,1.Icandraw.,2.Studentsshouldstudyhard.,Canyoudraw?,Yes,Ican./No,Icant.,Shouldstudentsstudyhard?,Yes,theyshould./No,theyshouldnt.,3.Hemustgetupearly.,Musthegetupearly?,Yes,hemust./No,heneednt.,思考：含有情态动词的肯定句改为一般疑问句的方法是什么？,.,7,Lookandpractice.,Hecansing.Youmaygonow.Imustgotoschoolbybike.,Canhesing?,Mayyougonow?,Mustyougotoschoolbike？,Yes,hecan./No,hecant.,Yes,Imay./No,Icant/mustnt.,Yes,Imust/No,Ineednt.,.,8,Icandraw.Thereisabirdinthetree.Youareanicegirl.Myfatherisateacher.,Canyoudraw?,Isthereabirdinthetree?,Areyouanicegirl?,Isyourfatherateacher?,小挑战：,思考:,.,9,Lookandlearn:,1.Iusuallyhavelunchattwelve.Doyouusuallyhavelunchattwelve?2.Theyplayfootballeveryday.Dotheyplayfootballeveryday?3.Hegetsupatsixeveryday.Doeshegetupatsixeveryday?,注意：这三个句子都没有be动词和情态动词，像这类句子，要借助do和does来帮忙。记住do和does后面的动词保持原形，主语是第三人称单数的时候就用does,其余的都用do.,.,10,通过以上学习可总结陈述句改为一般疑问句的方法有：,一找二提三抄四变五借,找出be动词、情态动词,把be动词、情态动词提前,其余照抄,句中人称I变youmy变yoursome变any.变问号?,没有be动词、情态动词借do和does来帮忙,助动词do初步讲解,.,12,一、助动词（auxiliaryverb),在英语中，助动词本身没有意义，只是帮助实义动词完成某些语法功能，如构成否定句、疑问句、简略答语等。助动词主要有do，have等。,.,13,二.助动词do的基本用法,do有三种形式：原形现在式第三人称单数过去式do的基本用法：构成否定句构成一般疑问句及回答,.,14,1.IwanttogotoBeijing.IdontwanttogotoBeijing.2.WeliveinChongqing.WedontliveinChongqing.3.LucyandLilyknowaboutChina.LucyandLilydontknowaboutChina.4.Herparentsworkinaschool.Herparentsdontworkinaschool.,含实义动词的句子怎样变为否定句,如果句子中的动词为_，变否定句时,在_前加_,其余不变。,原形,动词,dont(donot),.,15,1.HewantstogotoBeijing.HedoestwanttogotoBeijing.2.PeterlivesinChongqing.PeterdoestliveinChongqing.3.LucyknowsaboutChina.LucydoestknowaboutChina.4.Hermotherworksinaschool.Hermotherdoestworkinaschool.,含实义动词的句子怎样变为否定句,如果句子中的动词为_，变否定句时,在_前加_,然后把动词变为_,其余不变。,第三人称单数形式,动词,doest(doesnot),原形,.,16,1.IwanttogotoBeijing.DoyouwanttogotoBeijing.2.WeliveinChongqing.DoyouliveinChongqing.3.LucyandLilyknowaboutChina.DoLucyandLilyknowaboutChina.4.Herparentsworkinaschool.Doherparentsworkinaschool.,含实义动词的句子怎样变为一般疑问句,如果句子中的动词为_，变一般疑问句时,在句首加_,其余不变。,原形,Do,.,17,1.HewantstogotoBeijing.DoeshewanttogotoBeijing.2.PeterlivesinChongqing.DoesPeterliveinChongqing.3.LucyknowsaboutChina.DoesLucyknowaboutChina.4.Hermotherworksinaschool.Doeshermotherworkinaschool.,含实义动词的句子怎样变为一般疑问句,如果句子中的动词为_，变否定句时,在句首加_,然后把动词变为_,其余不变。,第三人称单数形式,Does,原形,.,18,含实义动词的句子怎样变否定句,1.如果句子中的动词为原形，变否定句时，在动词前加dont(donot),其余不变。2.如果句子中的动词为第三人称单数形式，变否定句时，在动词前加doest(doesnot),然后把动词变为原形，其余不变。注：some-any,dohavewantlivelike,dontdodonthavedontwantdontlivedontlike,doesntdodoesnthavedoesntwantdoesntlivedoesntlike,doeshaswantsliveslikes,.,19,含实义动词的句子怎样变一般疑问句,1.如果句子中的动词为原形，变一般疑问句时，在句首加Do，其余不变。2.如果句子中的动词为第三人称单数形式，变一般疑问句时，在句首加Does,然后把动词变为原形，其余不变。注：some-anyI/we-youmy/our-your,dohavewantlivelike,Dodo?Dohave?Dowant?Dolive?Dolike?,Doesdo?Doeshave?Doeswant?Doeslive?Doeslike?,doeshaswantsliveslikes,.,20,1.Theyplaygamesontheplayground.Theydontplaygamesontheplayground.2.LucyandLilyspeakEnglish.LucyandLilydontspeakEnglish.3.Myclassmatesgetupat7:00.Myclassmatesdontgetupat7:00.4.Hewalkstoschool.Hedoesntwalktoschool.5.Janegoestoschoolbybike.Janedoesntgotoschoolbybike.6.KangkanghelpsmestudyEnglish.KangkangdoesnthelpmestudyEnglish.,.,21,1.Theyplaygamesontheplayground.Dotheyplaygamesontheplayground?Yes,theydo./No,theydont.2.LucyandLilyspeakEnglish.DoLucyandLilyspeakEnglish?Yes,theydo./No,theydont.3.Myclassmatesgetupat7:00.Doyourclassmatesgetupat7:00?Yes,theydo./No,theydont.,.,22,4.Hewalkstoschool.Doeshewalktoschool?Yes,hedoes./No,hedoesnt.5.Janegoestoschoolbybike.DoesJanegotoschoolbybike?Yes,shedoes./No,shedoesnt.6.KangkanghelpsherstudyEnglish.DoesKangkanghelpherstudyEnglish?Yes,hedoes./No,hedoesnt.,.,23,have/has的一般疑问句:,1.)have的一般疑问句:,Doyouhaveabook?,b.Theyhavemanybooks.(变一般疑问句),Dotheyhavemanybooks?,c.Wehavemanybaseballs.(变一般疑问句),Doyouhavemanybaseballs?,小结:have的一般疑问句是在句首加上助动词”Do”,注意大小写的转换，其他的不变.（句中的“I”可以变为”you”)注意:“Do”是加上去的，不是原句里面的。,a.Ihaveabook.(变一般疑问句),.,24,2.)has的一般疑问句:a.Hehasasoccerball.(变一般疑问句),Doeshehaveasoccerball?,b.Shehasaping-pangbat.(变一般疑问句),Doessheahaveping-pangbat?,c.Janehasatennisracket.(变一般疑问句),DoesJanehaveatennisracket?,小结:has的一般疑问句:第一步，是在句首加上助动词”Does”,第二步，将句中的”has“变为”have“，注意大小写的转换，其他的不变.（句中的“I”可以变为”you”)注意:“Does”是加上去的，不是原句里面的。,完成练习四,.,25,二.have/has的否定句:,1.)have的否定句:,Idonthaveabook.,b.Theyhavemanybooks.(变一般否定句),Theydonthavemanybooks.,c.Wehavemanybaseballs.(变一般否定句),Wedonthavemanybaseballs.,小结:have的否定句是在主语和have之间加上助动词”dont”,注意:“dont”是加上去的，不是原句里面的。,a.Ihaveabook.(变一般否定句),.,26,2.)has的否定句:a.Hehasasoccerball.(变否定句),Hedoesnthaveasoccerball.,b.Shehasaping-pangbat.(变否定句句),Shedoesnthaveaping-pangbat.,c.Janehasatennisracket.(变否定句),Janedoesnthaveatennisracket,小结:has的否定句:第一步，是在主语和has加上助动词”doesnt”,注意:“doesnt”是加上去的，不是原句里面的。第二步，把has还原成have,完成练习五,.,27,疑问句及回答,.,28,一般疑问句及回答,用yes或no来回答的问句,.,29,一般现在时行为动词的一般疑问句及答语,Doyoulikeswimming?,Yes,Ido./No,Idont.,Yes,wedo./No,wedont.,DotheygotoschoolonSaturday?,Yes,theydo./No,theydont.,.,30,DoesSamgetupatsevenoclock?,Yes,hedoes./No,hedoesnt.,DoesAmydoherhomework?,Yes,shedoes./No,shedoesnt.,我发现,第三人称单数助动词用does,其他人称助动词用do.,.,31,一般现在时，动词be的一般疑问句及答语,AmIclever?,Yes,youare./No,youarent.,Areyouhungry?,Yes,Iam./No,Imnot.,Isshe/he/aniceteacher?,Yes,she/heis./No,she/heisnt.,Isitrainytoday?,Yes,itis./No,itisnt,.,32,Arewegoodfriends?,Yes,weare./No,wearent.,Yes,youare./No,youarent.,Areyouhappy?,Yes,weare./No,wearent.,Aretheflowersbeautiful?,Yes.theyare./No,theyarent.,.,33,现在进行时的一般疑问句及答语,Areyouwritingaletter?,Yes,Iam./No,Imnot.,IsSamlisteningtomusic?,Yes,heis./No,heisnt.,AretheywatchingTV?,Yes,theyare./No,theyarent.,.,34,一般将来时的一般疑问句及回答,Areyougoingtoswimtomorrow?,Yes,Iam./