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一一般疑问句及其否定形式1情态动词•情态动词有can(could),may(might),must,haveto,shall(should）,will(would),dare,need,oughtto等。情态动词无人称和数的变化；不能单独使用，必须与其后的动词原形构成谓语。2[例3]Wecanflytothemoononeday.____________flytothemoononeday?(1)肯定句变为一般疑问句a.变为一般疑问句时，系动词be、助动词或情态动词置于主语之前。[例1]Heissoclever.____________soclever?[例2]Johnfeelhappy.______John______happyatthattime?IsheDoesfeelCanyou3肯定句改一般疑问句的方法——三步法•1、把be动词放在句首，剩下的照抄some改成any，my改成your等句点改成问号。•2、把can，shall，will等放到句首，剩下的照抄，（some改成any，my改成your等）句点改成问号。•例如：陈述句:Theyareinthepark.Hecanplaytheguitar.•一般疑问句:Aretheyinthepark?•Canheplaytheguitar?4•3.上述都没有的，在句首请助动词Do/Does/Did帮忙，剩下的照抄，（some改成any，my改成your等）句点改成问号。•例如：陈述句:Iliketheducks.Helikesthedogs.•一般疑问句：Doyouliketheducks?Doeshelikethedogs?5practice•1.Shefeelssick.•Doesshefeelsick?•2.Iknowsomethingaboutthisstory.•Doyouknowanythingaboutthisstory?•3.Bananasaremyfavourite.•Arebananasyourfavourite?6[例3]Thedoctorcanhelpthatpeople.Thedoctor__________thatpeople.b.变为否定句时，系动词、助动词或情态动词后加not。[例1]Thetwinsarehappytoseetheiruncle.Thetwins____________toseetheiruncle.[例2]Mr.Smithworkshardeveryday.Mr.Smith____________hardeveryday.aren'thappydoesn’tworkcan'thelp7肯定句改否定句的方法——一步法•1、在be动词后加not。如：isnot，arenot，amnot，wasnot，werenot；•2、在can，should，will等后加not。如：cannot，shouldnot，willnot；•3、上述都没有的，在动词前加助动词否定形式don’t/doesn’t/didn’t。•4、some改成any。8practice•1I’mthirteenyearsold.•Areyouthirteenyearsold?•2Helikeshisfamilymembers.•Doeshelikehisfamilymembers?•3Wearesinginganddancing.•Areyousinginganddancing?9•4Marycanrideabike.•CanMaryrideabike?•5Johnisatallandkindperson.•IsJohnatallandkindperson?•6Thereissomebroccoliinthebowl.•Istheresomebroccoliinthebowl?10•7Iwilltakeit.•Willyoutakeit?•8Hersister-in-lawisateacher.•Ishersister-in-lawateacher?•9Myfathercookswell.•Doesyourfathercookwell?•10Ourlittlebrotherdrawsanicepicture.•Doesyourlittlebrotherdrawanicepicture?11特殊疑问句=特殊疑问词+一般疑问句12意思对…提问what什么东西where哪里地点when何时时间who谁人whose谁的某人的东西(所属)which哪一个选择why为什么原因how怎么样方式，方法13与How搭配的特殊疑问词Howmany+(可数n)Howmuch+(不可数n)易错点:A:必须和其后n一起使用构成主语B:区分可数与不可数指代“距离时间长度”Howlong1:多长2:多久指代“年龄”Howold多大岁数14变特殊疑问句分为三步：一定：根据画线部分确定特殊疑问词，并代替画线部分。二变：将句子变成一般疑问句。三提：将特殊疑问词提前。151当画线部分是句子的主语，挑选适当特殊疑问词即可，不做其它变化。Jennyhasalovelypet.Whohasalovelypet?2在用特殊疑问词代替画线部分时，要适当加词使句子通顺。Theyplayfootball.Whatdotheydo?161._____isthatprettygirl?Sheismysister.2._____areJackandTom?Theyarebehindyou.3._____doyougotoschool?IgotoschoolfromMondaytoFriday.WhoWhereWhen174._____hasabeautifulflower?Johnhasabeautifulflower.5._____arethey?Theyarebeautifulflowers.6._____isyourmother?Sheisverywell.7._____areyourbook?Thisone.WhoWhatHowWhich188._____ballisthis?It’sJim’s.9._____doeshejog?Hejogsinthepark.10._____areyoulate?BecauseIdidn’tcatchthebus.WhoseWhereWhy191.Heismyfather.Whoishe?2.Theyareunderthetree.Wherearethey?3.IoftenwatchTVafterdinner.WhendoyouoftenwatchTV?20•4.Lilyswimsintheswimmingpool.•WheredoesLilyswim?•5.Birdscanflyinthesky.•Whatcanflyinthesky?•6.Ibrushmyteethintheevening.•Whendoyoubrushyourteeth?217.AlanlikestoplaywithBill.WholikestoplaywithBill?8.Joe'sfatherplaysbasketballeveryweekend.HowoftendoesJoe’sfatherplay…9.Thesupermarketisneartheschool.Whereisthesupermarket?2210.ThelaptopisTom’s.Whosethelaptopis?11.Jenniferhasapairofearrings.Whohasapairofearrings?12.Theflowersareintheflowerpot.Wherearetheflowers?23whoseHowmanyHowmuchWhosebookisit?Howmanybooksdoyoubuy?Howmuchwaterdoyouneed?24