Unit3DiscoveringUsefulStructures课件人教高中英语

Unit3Sportsandfitness1.Tolearntheusageoftagquestionsandtheiranswers.2.Tolearntousetagquestionstorole-playasituationandmakesmallconversations.Learninggoals(学习目标1')Amy:It'snotarealsport,isit?ShenQi:Yes.itis.Readtheconversationsbelow.PresentationtagquestionStep2Lead-inquestions问题导学10'观察上面的对话,并完成句子:1.Thepenisyours,______?

这支钢笔是你的,不是吗?2.LucylikesEnglish,__________?

露西喜欢英语,不是吗?

3.Itwasawonderfulnight,________?

这是个奇妙的夜晚,不是吗?

isn’titdoesn’tshewasn’titUnderlinethetagquestionsandtheiranswers.Whatfunctionsdothetagquestionshave?Thetagquestionsaboveareusedforconfirmation.Summary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，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。Step3Presentation(点拨精讲18')YouarefromAustralia,aren’tyou?Hedoesn’tliveinBeijing,doeshe?规律：前肯后否,前否后肯,时态和人称前后一致。2.基本结构陈述部分附加疑问部分由助动词、be动词或情态动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Youareanactor,aren’tyou?Helikessoccer,doesn’the?Theycan

speakEnglish,can't

they?2.否定式陈述部分+肯定附加疑问部分Itwasn’tfineyesterday,wasit?Youwon’tgotoAmerica,willyou?3.回答方法:事实是肯定的用yes+肯定结构，反之用no+否定结构。但在前否后肯的结构中，yes表示“不”，no表示“是”。如：—Theyworkhard,don’tthey?—Yes,theydo./No,theydon’t.

是的，他们工作努力。/不，他们工作不

努力。—Theydon’tworkhard,dothey?—Yes,theydo./No,theydon’t.

不，他们工作努力。/是的，他们工作不

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.Fewpeopleeatwildanimalsnow,_______?2.Thereisnothingimportantinthenewspaper,_______?

例：1.Mr.SmithcanhardlyspeakChinese,__________?istheredotheycanhe祈使句+附加疑问部分①陈述句为“Let’s…”结构时，表示“让我们（你我双方）”附加问句一般用“shallwe?”

②陈述句为“Letus…或Let....”结构时，表示“你让我们...”,附加问句一般用“willyou?”例：1.Let’sgohome,_______?2.Letusgohome,________?3.Lettheboygofirst,__________?shallwewillyouwillyou祈使句+附加疑问部分

祈使句的附加疑问句常用will作助动词。祈使句为肯定句时，附加疑问句常用will/won’tyou；祈使句为否定句，附加疑问句则常用willyou。如：

Pleaseclosethewindow,willyou?Don’ttakephotosinthemeetingroom,willyou?感叹句的附加疑问句用否定形式。如：Whatafoolishchild(heis),isn’the?Whatbeautifulclothes(theyare),aren’tthey?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.Hecanplaythepiano,_________?2.Weshouldn'tgorightnow,__________?3.Theycan’tfinishit,________?can'theshouldwecanthey陈述句中有情态动词must时：

1)must“一定，准是”，表示一种推测时，附加疑问句中助动词要与must后动词照应。如：

Youmustbeveryexcited,aren’tyou?Youmusthavewaitedhereforalongtime,

haven’tyou?2)must“必须;有必要”，附加疑问句中的助动词用needn’t。如：

Hemustleaverightnow,needn’the?3)mustn’t“禁止”，附加疑问句中的助动词用must。如：

Youmustn’twalkongrass,mustyou?Therebe句型陈述句为Therebe结构时，附加问句仍用there。例：1.Thereisafamousdoctorinyourhometown,_________?Yes,thereis.2.Therewillnotbeanyclassestomorrow,__________?No,therewon’t.isn'ttherewon'tthere附加疑问句主语要与前面陈述句主语保持一致。1.陈述句主语是that,this,those,these，附加疑问句的主语要用it或they。如：

ThisisTom’stextbook,isn’tit?Theseareyourbooks,aren’tthey?2.陈述句主语是表示人的不定代词，如anyone,someone,noone,everybody,nobody,somebody等，附加疑问句的主语通常用they或he。如：

Everyoneknowsthatwriter,don’tthey/doesn’the?3.陈述句主语是表示物的不定代词，如anything,nothing,something,everything

等，反意疑问句的主语用it。如：

Nothingintheworldisdifficult,isit?4.陈述句的主语是分词或主语从句，反意疑问句的主语用it。如：

Smokingisnotallowedhere,isit?Whathelacksiscourage,isn’tit?反意疑问句解题步骤1.判定：肯否定?2.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Step4Summary(课堂小结1')Completetheconversationswithappropriatetagquestionsorcorrectanswers.Thenactthemout.1.A:It’snotgoingtorain,isit? B:__________.It’sagooddayforsports. A:Thenwecanplayfootball,________?

B:___________.Wedon’thaveaball.No,itisn’tcan’tweNo,wecan’tStep5Testinclass当堂检测15'2.A:It’sSportsDaynextThursday,_______?B:You’reright,itis.Let’saskXiaLeiifshewantstojoinateam.A:Shelikessoccer,__________?B:______________.Butshelovesvolleyball.Shecouldbeinthevolleyballteam.isn’titdoesn’tsheNo,shedoesn’tisn’theisheisn’the一、用恰当的反意疑问句完成句子。1.Sheseldomgoestothecinema,__________?2.Youwon'tbeawayforlong,________?3.You'vealreadygotourinvitation,__________?4.—Youruncletoldmethatheoverslept.

—Oh,myunclerarely

usedtooversleep,

_________?5.Sheneveraskedhimaquestion,______?6.Theoldladyscarcelycaresforanything,

_________?

didshedoesshewillyouhaven'tyoudidhedoesshePracticeStep5Testinclass当堂检测15'二、句子改错。1.Younevertolduswhyyouwerelateforthelastmeeting.didn'tyou?2.Thedoctorsoonhadthepatientwalkingagain,hadn'the?3.Everythingseemsallright,isn'tit?4.Therewon’tbeanyconcertthisSaturdayevening,willit?5.Let’sgoshopping,willyou?6.—Theydon’tworkhard,dothey?—Yes,theydo.Theyareverylazy.didyoudidn'thedoesn'titwillthereshallweNo,theydon't.(1)A:It'snotgoingtorain,isit?B:_________.It'sagooddayforsports.A:Thenwecanplayfootball,_________?

B:_____________.Wedon'thaveaball.Completetheconversationswithappropriatetagquestionsorcorrectanswers.Thenactthemout.No,itisn't

can'tweNo,wecan't(2)A:It'sSportsDaynextThursday,________?B:You'reright,itis.Let'saskXiaLeiifshewantstojoinateam.

isn'titA:Shelikessoccer,__________?B:_____________.Butshelovesvolleyball.Shecouldbeinthevolleyballteam.doesn'tsheNo,shedoesn'tisheisn'theisn'the【即学活用】完成下列反意疑问句1.It’safineday.Let’sgofishing,_______?

2.Frankisworkinglateagain.Thisisthefirsttimethisweekhe’shadtostudylate,______?

shallweisn’tit3.—Daddy’sforgottoposttheletteragain,________?

—I’mafraidhehas. 4.—Sorry,I’mnotfeelingwellandIdon’tthinkIcanfinish.—Don’tworry.Letusdoitforyou,_______?

hasn’thewillyou5.Idon’tthinkhedidsuchastupidthinglastnight,______?

6.—Thegroundiswet.—Itmusthaverainedlastnight,_______?

7.—Jennydoesn’tthinkthatRobertishonest,________?

—I’mafraidnot.didhedidn’titdoesshe8.—Thenewwindowsneedwashing.—Well,let’swashthemtogether,_______?

9.Thereislittlewecandoaboutit,_______?

10.—Theproblemwasn’tdifficultforhim,_____?

—No,itwasn’t.Heshouldhavebeengivenamoredifficultone.shallweistherewasitWorkinpairs.Usetagquestionstoroleplayoneofthesituation