小学英语语法_一般疑问句和特殊疑问句ppt课件

精选ppt,小学英语语法知识(疑问句)Irene,精选ppt,一般疑问句,Is?Are?Was?Were?Do?Did?Does?Can?一般疑问句的回答只能用Yes或No.,be动词,情态动词,助动词,精选ppt,一般疑问句:表示疑问，一般回答只有两种可能Yes，或No，句中没有疑问词。如何将一个肯定的陈述句改为否定句：1、看句中有无be动词，如有，把be动词提到句首即可。be动词（is、are、was、were)2、看句中有无情态动词，如有，把情态动词提到句首即可。情态动词（can),精选ppt,3、如上述二者都没有，就应把助动提到句首。助动词（do、did、does)分四个步骤：（1）肯定陈述句中本来是没有助动词的，要加上去，位置在主语（某人或某物）后，动词前。（2）确定助动词用do、does还是did，根据句中动词，动词是原形的助动词就用do，动词是第三人称单数的助动词就用does，动词用过去式的助动词就有did。（3）把助动词后提到句首。（4）原句中动词假如发生变化就要恢复成原形。强调一点，有some的要考虑是否要用any。,精选ppt,e.g,ThisisAmysbike.(一般疑问句）IsthisAmysbike?Yes,thisis.(肯定回答）No,thisisnt.（否定回答）DidyougotoBeijinglastweekend?Yes,Idid.(肯定回答）No,Ididnt.(否定回答)Ihavesomebooks.(一般疑问句）Doyouhaveanybooks?,精选ppt,变否定句的做法：,1、如句子里是be动词：am,is,are,was,were就在这些词后加not例：HeisTom.HeisnotTom.2、如句子里是动词就在这些词前加dont,doesnt,didnt（1）主语是第一、二人称（复数）加dont，第三人称单数加doesnt（2）如果是过去式就加didnt例：Ilikedogs.Shelikesswimming.Idontlikedogs.Shedoesntlikeswimming.3、如句子里是情态动词是must,can,may,should就在这些词后加not例句：YoucanwatchTVnow.YoucannotwatchTVnow.,精选ppt,特殊疑问句,表示疑问，有疑问词（在开头），回答有很多种可能。常用疑问词：When什么时间(问时间)Who谁(问人)Where在哪里(问地点)Which哪一个(问选择)Why为什么(问原因)What什么(问东西、事物)How怎样(问方式、手段，程度、情况等),精选ppt,Mike:_arewegoingtothisyear?Mum:wewillgotoHarbin.Mike:_arewegoingtoHarbin?Mum:On10thOctomber.Mike:_doyougotothere?Mum:Byplane.Mike:_arewegoingtostayinHarbin?Mum:InGrandmasbighouse.Mike:_doesGrandmalikeeating?Mum:Shelikeseggsverymuch.Mike:_seasonisthebesttimetoHarbin?Mum:Winter.Mike:_?Mum:Becausewecanmakeasnowmanthere.,Where,Why,What,Where,When,Which,How,精选ppt,Exercises：针对下列划线部分提问,1.WearegoingtoHainan.Whereareyougoingto?2.AmygoestoShanghaiinFebruary.WhendoesAmygotoShanghai？3.Kittyiswearingaspecialcostume.Whoiswearingaspecialcostume?4.Igotoschoolbybike.Howdoyougotoschool?5.Ilikesummer.Whichseasondoyoulikebest?6.MynameisJohn.Whatisyourname.,精选ppt,问与答，连连看。,1.Whoisthisman?A.Iwenttothebookstore.2.Wheredidyougoyesterday?B.Iam45kg.3.Howheavyareyou?C.Myfather.4.Whatdidyoudolastnight?D.Itwasfine.5.Howwasyouweekend?E.IwatchedTV.,精选ppt,Choose:选择,1.A:_didyougolastSunday?B:Iwenttothelibrary.AWhenBWhereCWhatDWho2.Amy:_boughtthenewbikeforyou?Mike:Myfather.AHowBWhereCWhatDWho3.A:Wasthisbookinthedesk?B:_AYes,itis.BNo,itwasCYes,itwasntDNo,itwasnt4.A:_heavyisJohn?B:Heis42kg.AHowBWhatCWhoDWhere,D,A,D,B,精选ppt,Homework：作业(划线部分提问）,1.MikewenttoChongqingyesterday.2.MyfatherwenttoShanghailastnight