【课件】Unit 3 Discovering Useful Structures 课件人教版高中英语必修第一册.pptx
Unit3SportsandfitnessUnit3Sportsandfitness1.Tolearntheusageoftagquestionsandtheiranswers.2.Tolearntousetagquestionstorole-playasituationandmakesmallconversations.Learninggoals(学习目标学习目标1)Amy:Itsnotarealsport,isit?ShenQi:Yes.itis.Read the conversations below.Presentationtag question观察上面的对话观察上面的对话,并完成句子并完成句子:1.Thepenisyours,_?这支钢笔这支钢笔是你的是你的,不不是是吗吗?2.LucylikesEnglish,_?露西喜欢露西喜欢英语英语,不是不是吗吗?3.Itwasawonderfulnight,_?这是个奇妙的这是个奇妙的夜晚夜晚,不是不是吗吗?isntitdoesntshewasntit1.Adam:Thatsoundsinteresting,doesntit?Julie:Sure.itdoes.2.LinTao:Hi!Itsabeautifulday,isntit?HanJing:Yes,itis.Imgoingtoplaysoccer.Canyoucomealongandjoinus?LinTao:Sorry,Icant.Ivegottomeetmyadviser.Bytheway,ourschoolsoccerteamwonatlast,didntthey?HanJing:No,theydidnt.Itstoobad.Underline the tag questions and their answers.What functions do the tag questions have?The tag questions above are used for confirmation.疑问句类型疑问句类型1.一般疑问句一般疑问句e.g.Doyouliketheseanimals?2.特殊疑问句特殊疑问句e.g.Whorunsfastestinyourclass?3.选择疑问句选择疑问句e.g.Doyouliketoplayfootballorbasketball?4.反意反意疑疑问句问句e.g.Hewillcometotheparty,wonthe?SummarySummary反意疑问句1.定义 附加疑问句，又称反意疑问句，主要用于口语，附加疑问句，又称反意疑问句，主要用于口语，其作用是说话人向对方验证自己的陈述或者判断，其作用是说话人向对方验证自己的陈述或者判断，也可以用于祈使句表示请求或者建议。也可以用于祈使句表示请求或者建议。Step3Presentation(点拨精讲点拨精讲18)YouarefromAustralia,arentyou?HedoesntliveinBeijing,doeshe?规律：前肯后否规律：前肯后否,前否后前否后肯肯,时态时态和人称前后一致。和人称前后一致。2.基本结构陈述部分附加疑问部分由助动词、由助动词、bebe动词或情态动动词或情态动词和表示主语的代词构成。词和表示主语的代词构成。1.肯定式陈述部分+否定附加疑问部分3.分类You are an actor,arent you?He likes soccer,doesnt he?They can speak English,cant they?2.否定式陈述部分+肯定附加疑问部分It wasnt fine yesterday,was it?You wont go to America,will you?3.回答方法回答方法:事实是肯定的用事实是肯定的用yes+肯定结构，反之用肯定结构，反之用no+否定结构。否定结构。但在前否后肯的结构中，但在前否后肯的结构中，yes表示表示“不不”，no表示表示“是是”。如：如：Theyworkhard,dontthey?Yes,theydo./No,theydont.是的，他们工作努力。是的，他们工作努力。/不，不，他他们工作不们工作不努力。努力。Theydontworkhard,dothey?Yes,theydo./No,theydont.不，他们工作努力。不，他们工作努力。/是的，是的，他他们工作不们工作不努力。努力。含有否定词的陈述部分+肯定附加疑问部分否定意义的词包括：hardly,barely,scarcely,never,nothing,few,little,no,seldom,nobody等3.Few people eat wild animals now,_?2.There is nothing important in the newspaper,_?例：1.Mr.Smith can hardly speak Chinese,_ _?is theredo theycan he祈使句+附加疑问部分陈述句为“Lets”结构时，表示“让我们（你我双 方）”附加问句一般用“shall we?”陈述句为“Let us或Let.”结构时，表示“你让我们.”,附加问句一般用“will you?”例：1.Lets go home,_?2.Let us go home,_?3.Let the boy go first,_?shall wewill youwill you祈使句+附加疑问部分祈使句祈使句的附加疑的附加疑问句常用问句常用will作助作助动词。祈使句为肯定句时动词。祈使句为肯定句时，附加疑，附加疑问句常问句常用用will/wontyou；祈使句为否定句；祈使句为否定句，附加附加疑疑问句则常问句则常用用willyou。如：如：Pleaseclosethewindow,willyou?Donttakephotosinthemeetingroom,willyou?感叹句感叹句的的附加附加疑疑问句用否定形式。问句用否定形式。如：如：Whatafoolishchild(heis),isnthe?Whatbeautifulclothes(theyare),arentthey?情态动词+附加疑问部分当陈述部分含有情态动词时，疑问部分会重复前面情态动词。例：1.He can play the piano,_?2.We shouldnt go right now,_?3.They cant finish it,_?cant heshould wecan they陈述句中有情态动词陈述句中有情态动词must时：时：1)must“一定，准是一定，准是”，表示一种推测时，表示一种推测时，附加附加疑疑问句中问句中助动助动词要与词要与must后动词照应。如：后动词照应。如：Youmustbeveryexcited,arentyou?Youmusthavewaitedhereforalongtime,haventyou?2)must“必须必须;有必要有必要”，附加附加疑疑问句中的助动词用问句中的助动词用neednt。如：。如：Hemustleaverightnow,neednthe?3)mustnt“禁止禁止”，附加附加疑疑问句中的助动词用问句中的助动词用must。如：。如：Youmustntwalkongrass,mustyou?There be句型陈述句为There be结构时，附加问句仍用there。例：1.There is a famous doctor in your hometown,_?Yes,there is.2.There will not be any classes tomorrow,_?No,there wont.isnt therewont there附加疑附加疑问句主语问句主语要与前面陈述句主语保持一致。要与前面陈述句主语保持一致。1.陈述句主语是陈述句主语是that,this,those,these，附加疑，附加疑问问句的主语要用句的主语要用it或或they。如：如：ThisisTomstextbook,isntit?Theseareyourbooks,arentthey?2.陈述句主语是陈述句主语是表示人表示人的不定代词，如的不定代词，如anyone,someone,noone,everybody,nobody,somebody等等，附加疑，附加疑问句的主语通常用问句的主语通常用they或或he。如：如：Everyoneknowsthatwriter,dontthey/doesnthe?3.陈述句主语是陈述句主语是表示物表示物的不定代词，如的不定代词，如anything,nothing,something,everything等，反意疑问句的主语用等，反意疑问句的主语用it。如：如：Nothingintheworldisdifficult,isit?4.陈述句的主语是分词或主语从句，反意疑陈述句的主语是分词或主语从句，反意疑问句的主语用问句的主语用it。如：如：Smokingisnotallowedhere,isit?Whathelacksiscourage,isntit?反意疑问句解题步骤反意疑问句解题步骤1.判定：肯否判定：肯否定定?2.找动：确定谓语动词的类型找动：确定谓语动词的类型3.换代：将主语转换为相应的代词换代：将主语转换为相应的代词Step4Summary(课堂小结课堂小结1)Complete the conversations with appropriate tag questions or correct answers.Then act them out.1.A:Itsnotgoingtorain,isit?B:_.Itsagooddayforsports.A:Thenwecanplayfootball,_?B:_.Wedonthaveaball.No,itisntcantweNo,wecantStep5Testinclass当堂检测当堂检测152.A:ItsSportsDaynextThursday,_?B:Youreright,itis.LetsaskXiaLeiifshewantstojoinateam.A:Shelikessoccer,_?B:_.Butshelovesvolleyball.Shecouldbeinthevolleyballteam.isntitdoesntsheNo,shedoesnt3.A:Itstimeforbadmintonclass.Whereisthecoach?Heslate,_?B:Itsbeen10minutesalready.Heisntcoming,_?A:Cool!Wecanhaveagoodtime.Thatsgreat!B:Shh!A:Ohno,hesrightbehindme,_?C:Yes,Iam!isntheisheisnthe一、用恰当的反意疑问句完成句子。一、用恰当的反意疑问句完成句子。1.She seldom goes to the cinema,_?2.You wont be away for long,_?3.Youve already got our invitation,_?4.Your uncle told me that he overslept.Oh,my uncle rarely used to oversleep,_?5.She never asked him a question,_?6.The old lady scarcely cares for anything,_?did shedoes shewill youhavent youdid hedoes shePracticeStep5Testinclass当堂检测当堂检测15二、句子改错。二、句子改错。1.You never told us why you were late for the last meeting.didnt you?2.The doctor soon had the patient walking again,hadnt he?3.Everything seems all right,isnt it?4.There wont be any concert this Saturday evening,will it?5.Lets go shopping,will you?6.They dont work hard,do they?Yes,they do.They are very lazy.did youdidnt hedoesnt itwill thereshall weNo,they dont.(1)A:Its not going to rain,is it?B:_.Its a good day for sports.A:Then we can play football,_?B:_.We dont have a ball.Complete the conversations with appropriate tag questions or correct answers.Then act them out.No,it isnt cant weNo,we cant(2)A:Its Sports Day next Thursday,_?B:Youre right,it is.Lets ask Xia Lei if she wants to join a team.isnt it(3)A:Its time for badminton class.Where is the coach?Hes late,_?B:Its been 10 minutes already.He isnt coming,_?A:Cool!We can have a good time.Thats great!B:Shh!A:Oh no,hes right behind me,_?C:Yes,I am!A:She likes soccer,_?B:_.But she loves volleyball.She could be in the volleyball team.doesnt sheNo,she doesntis heisnt heisnt he【即学活用即学活用】完成下列反意疑问句完成下列反意疑问句1.Itsafineday.Letsgofishing,_?2.Frankisworkinglateagain.Thisisthefirsttimethisweekheshadtostudylate,_?shallweisntit3.Daddysforgottoposttheletteragain,_?Imafraidhehas.4.Sorry,ImnotfeelingwellandIdontthinkIcanfinish.Dontworry.Letusdoitforyou,_?hasnthewillyou5.Idontthinkhedidsuchastupidthinglastnight,_?6.Thegroundiswet.Itmusthaverainedlastnight,_?7.JennydoesntthinkthatRobertishonest,_?Imafraidnot.didhedidntitdoesshe8.Thenewwindowsneedwashing.Well,letswashthemtogether,_?9.Thereislittlewecandoaboutit,_?10.Theproblemwasntdifficultforhim,_?No,itwasnt.Heshouldhavebeengivenamoredifficultone.shallweistherewasitWork in pairs.Use tag questions to role play one of the situations below.ProductionExample:A:The Sports Day is coming soon,isnt it?B:Yes,it is.They need some volunteers,dont they?A:Yes,they do.Thank you!4.反意疑问句的回答：回答反意疑问句的问题时，要注意根据事实真实情况回答。具体来说：（1）如果事实是肯定的，就用Yes回答，（2）如果事实是否定的，就用No回答。例：You havent been to the U.S.,have you？_.I want to have a visit one day._.I have been there three times.No，I haventYes,I have陈述句是主从复合句时陈述句是主从复合句时1.陈述句是主从复合句时陈述句是主从复合句时，附加疑，附加疑问句常重问句常重复复合句中复复合句中主句的主语主句的主语。主句中如果有主句中如果有Ithink/believe/suppose这样的主这样的主谓结构时谓结构时，附加疑，附加疑问问句句应应与从句保持一致。与从句保持一致。如：如：Younevertolduswhyyoudidntpasstheexam,didyou?Idontthinkshecares,doesshe?2.陈述句是并列句时陈述句是并列句时，附加疑，附加疑问句与后一个分问句与后一个分句保持一致。句保持一致。如：如：Theywereabsentyesterday,butMarywasnt,wasshe?4.感叹句感叹句的的附加附加疑疑问句用否定形式。问句用否定形式。如：如：Whatafoolishchild(heis),isnthe?Howcleveraboyheis,isnthe?Whatbeautifulclothes(theyare),arentthey?
