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?含有情态动词的肯定句如何改为一般疑问句?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。常见的情态动词有哪些?canmaymustwillshallshould翻译句子。1.我会画画。2.学生应该努力学习。3.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。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,Ican’t.Shouldstudentsstudyhard?Yes,theyshould./No,theyshouldn’t.3.Hemustgetupearly.Musthegetupearly?Yes,hemust./No,heneedn’t.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?Lookandpractice.1.Hecansing.2.Youmaygonow.3.Imustgotoschoolbybike.Canhesing?Mayyougonow?Mustyougotoschoolbike?Yes,hecan./No,hecan’t.Yes,Imay./No,Ican’t/mustn’t.Yes,Imust/No,Ineedn’t.1.Icandraw.2.Thereisabirdinthetree.3.Youareanicegirl.4.Myfatherisateacher.Canyoudraw?Isthereabirdinthetree?Areyouanicegirl?Isyourfatherateacher?小挑战:思考: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.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。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1.IwanttogotoBeijing.Idon’twanttogotoBeijing.2.WeliveinChongqing.Wedon’tliveinChongqing.3.LucyandLilyknowaboutChina.LucyandLilydon’tknowaboutChina.4.Herparentsworkinaschool.Herparentsdon’tworkinaschool.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don’t(donot)1.HewantstogotoBeijing.Hedoes’twanttogotoBeijing.2.PeterlivesinChongqing.Peterdoes’tliveinChongqing.3.LucyknowsaboutChina.Lucydoes’tknowaboutChina.4.Hermotherworksinaschool.Hermotherdoes’tworkinaschool.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does’t(doesnot)原形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Do1.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don’t(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does’t(doesnot),然后把动词变为原形,其余不变。注:some---anydohavewantlivelikedon’tdodon’thavedon’twantdon’tlivedon’tlikedoesn’tdodoesn’thavedoesn’twantdoesn’tlivedoesn’tlikedoeshaswantsliveslikes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---yourdohavewantlivelikeDo…do…?Do…have…?Do…want…?Do…live…?Do…like…?Does…do…?Does…have…?Does…want…?Does…live…?Does…like…?doeshaswantsliveslikes1.Theyplaygamesontheplayground.Theydon’tplaygamesontheplayground.2.LucyandLilyspeakEnglish.LucyandLilydon’tspeakEnglish.3.Myclassmatesgetupat7:00.Myclassmatesdon’tgetupat7:00.4.Hewalkstoschool.Hedoesn’twalktoschool.5.Janegoestoschoolbybike.Janedoesn’tgotoschoolbybike.6.KangkanghelpsmestudyEnglish.Kangkangdoesn’thelpmestudyEnglish.1.Theyplaygamesontheplayground.Dotheyplaygamesontheplayground?Yes,theydo./No,theydon’t.2.LucyandLilyspeakEnglish.DoLucyandLilyspeakEnglish?Yes,theydo./No,theydon’t.3.Myclassmatesgetupat7:00.Doyourclassmatesgetupat7:00?Yes,theydo./No,theydon’t.4.Hewalkstoschool.Doeshewalktoschool?Yes,hedoes./No,hedoesn’t.5.Janegoestoschoolbybike.DoesJanegotoschoolbybike?Yes,shedoes./No,shedoesn’t.6.KangkanghelpsherstudyEnglish.DoesKangkanghelpherstudyEnglish?Yes,hedoes./No,hedoesn’t.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)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。完成练习四二.have/has的否定句:1.)have的否定句:Idon’thaveabook.b.Theyhavemanybooks.(变一般否定句)Theydon’thavemanybooks.c.Wehavemanybaseballs.(变一般否定句)Wedon’thavemanybaseballs.小结:have的否定句是在主语和have之间加上助动词”don’t”,注意:“don’t”是加上去的,不是原句里面的。a.Ihaveabook.(变一般否定句)2.)has的否定句:a.Hehasasoccerball.(变否定句)Hedoesn’thaveasoccerball.b.Shehasaping-pangbat.(变否定句句)Shedoesn’thaveaping-pangbat.c.Janehasatennisracket.(变否定句)Janedoesn’thaveatennisracket小结:has的否定句:第一步,是在主语和has加上助动词”doesn’t”,注意:“doesn’t”是加上去的,不是原句里面的。第二步,把has还原成have完成练习五疑问句及回答一般疑问句及回答用yes或no来回答的问句一般现在时行为动词的一般疑问句及答语Doyoulikeswimming?Yes,Ido./No,Idon’t.Yes,wedo./