【课件】Unit3DiscoveringUsefulStructures（Tagquestions）课件-高中英语人教版（2019）必修第一册

TagquestionsUNIT3DiscoveringUsefulStructureA:There’llbeanE-sportseventtomorrow.B:I’veheardofit.Yourfavoriteteamiscoming,isn’tit?A:Yes,itis.Let’sbuysometickets,shallwe?B:ButIhavesomeworktodo.Youshouldgo.Sendmesomephotos,willyou?A:SureIwill.Role-playActouttheconversationbetweentwofansToconfirm(证实）TorequestTosuggestWhat’repurposesoftagquestions?StructureWhatmakesupatagquestion?Youcan’tswim,__________?Yourmotheroftengivesyoumoney,_________?Theboywasfoundbythepolice,_________?canyoudoesn’tshewasn’the助动词be动词情态动词表示主语的代词BasicStructureHowtoaskatagquestion?Doingexercisewilldoyougood,_______?1.肯定式陈述+否定式疑问Youaregoingtothegymwithme,________?aren’tyouwon’titThereisaswimmingpool,________?isn’tthereBasicStructureHowtoaskatagquestion?Theycan’tfinishitbyFriday,_______?Hisschoolisnotfarfromhere,_____?isitcanthey2.否定式陈述+肯定式疑问TolearnGermanwellisn’teasy,______?isitBasicStructureHowtoaskatagquestion?ShehasneverbeentoParis,_______?Nobodysawhimwalkintotheroom,________?didtheyhasshe3.含否定词的陈述+肯定式疑问带有否定含义的词：no,nothing,nobody,nowhere,never,few,little,seldom,hardly,rarelyBasicStructureHowtoansweratagquestion?A:The29thOlympicGameswereheldinBeijing,weren’tthey?B:______________.Yes,theywere.A:Jordanstartedtoplaybasketballincollege,didn’the?B:______________.Hefirststartedatseniorhighschool.A:Davidhasbeentoaboxingmatch,hasn’the?B:______________.HealwayswatchesboxingonTV.No,hedidn’t.No,hehasn’tA:Youcan’tcook,canyou?B:______________.Infact,I’mgoodatcooking.Yes,Ican可看作回答一般疑问句

3.谓语动词是have1.主语问题4.谓语含特殊结构5.谓语含must2.祈使句(没有主语）6.含从句特殊情况：当陈述句……RulesI.主语问题1.当陈述部分是I’m时，疑问部分用aren’tI：

I’mwrong,_______?I’molderthanyou,______?I’mnotthelastone,_______?aren’tIaren’tIamI2.当陈述部分是Iwish时，疑问部分用mayI：

Iwishtohavealook,_______?mayIRules一.主语问题3.当陈述句主语是somebody,someone,everyone,everybody,noone,nobody等复合不定代词或those,these等指示代词时，疑问句主语为they；4.当陈述句主语是something,anything,nothing,everything等不定代词或that,this等指示代词时，疑问句主语为it.Everyoneenjoyedtheparty,________?Noonewaslate,__________?Everythingisready,_______?Nothingcanstopyou,_______?weretheydidn’ttheyisn’titcanitRules二.陈述部分为祈使句1.

肯定祈使句，表示请求可用willyou，表示提醒可用won’tyou：Openyourbook,________?Pleasecomeherethisevening,________?Stoptalking,__________?2.否定祈使句，表示请求，用willyou：Don’tmakeanynoise,__________?Don’tforgettowritemealetter,__________?willyouwillyouwon’tyouwillyouwillyouRules二.陈述部分为祈使句Let’ssingasongtogether,_______?Letusgoforawalk,_______?Letmehaveatry,_______?Lethimjoinus,_______?3.

Let’s包括说话人和听话人双方在内，含有催促、建议或请对方一起行动的意思，用shallwe；4.Letus(me/him/her/them..)指请求对方允许自己（他人）做某事，用willyou.shallwewillyouwillyouwillyouRules三.陈述部分谓语动词是have一般情况下，用do的适当形式： Youallhadagoodtime,_________?Youhadmilkandbreadforbreakfast,_______?Hedoesn’thaveanysisters,_______?2.当have表示“有”，两种形式皆可：

Hehasn’tanysisters,_________?didn’tyoudidn’tyoudoeshehashe3.陈述句有have/hadto，疑问部分常用don‘t/didn’t:

Wehavetogetthereateighttomorrow,______?Theyhadtocrossthebusystreet,________?Rules三.陈述部分谓语动词是havedon’twedidn’tthey1.陈述句有oughtto

疑问部分shouldn’t/oughtn’t.2.陈述句有usedto

疑问部分didn’t.3.陈述句有hadbetter

疑问部分hadn’t.Heoughttoknowwhattodo,_____________________?Sheusedtotakepicturesthere,_________?You’dbetterreaditbyyourself,_________?Rules四.含有特殊结构oughtn’the?/shouldn’thedidn’tshehadn’tyouRules五.陈述部分含有情态动词must1.当must表示必须，疑问部分用mustn’t

或needn’t：

Youmustgohomenow,__________? Hemustworkhardtoday,_________?2.当陈述句使用mustn’t表示禁止，疑问部分用must或may： Youmustn’tparkthecarhere,________?mustn’tyoumustn’themustyouRules五.陈述部分含有情态动词must3.当must表示推测，疑问部分根据must后的动词推测：对现在的情况推测：Heissotall.Hemustbethetallestintheclass,_______?It’steno’clock.Theymustbewaitingoutside,________?Shemustcomefromthenorth,_________?aren’ttheydoesn’tsheisn’theRules五.陈述部分含有情态动词must对过去的情况推测：有明确时间状语，用一般过去式didn’t：Hemusthavefinishedityesterday,_______?Theroommusthavebeencleanedlastnight,_______?没有明确时间状语，强调动作完成，用现在完成时haven’t/hasn’t：Youmusthavetoldheraboutit,_________?Shemusthavearrivedbynow,_______?didn’thewasn’tithaven’tyouhasn’tsheRulesV.陈述部分含有情态动词dare/need3.当must表示推测，疑问部分根据must后的动词推测：Shelookspale.Shemustbeill,isn’tshe?Youmustknowthetruth,don’tyou?Rules六.陈述部分含主语从句或并列复合句当陈述句为I/we

think(believe,suppose,expect,imagine…)that...等时，疑问部分主语通常与从句保持一致： Idon'tthinkheisright,_____? Webelieveshecandoitbetter,_______?Notes:如果主语不是第一人称，则疑问句主语与主句保持一致。Hethoughtshewaswrong,________?ShesaidtheywouldvisitJapannextmonth,________?didn’thedidn’tshecan’tsheisheRulesVII.陈述部分含主语从句或并列复合句1.并列复合句疑问部分，谓语动词根据邻近从句的谓语而定： IhavetoldTomthetimeoftheirflight,soheshouldhavearrivedattheairportnow,shouldn’the?2.带有定语从句、宾语从句的主从复合句，疑问部分谓语根据主句的谓语而定：

1.Maryseldomgoesoutaloneintheevening,_______?2.Nothingwillmakehimgivein,_____?3.NobodyexceptmeknowsFrenchinmyclass,________?4.Noneofthemarrivedontime,_______?5.Don’tbelateagain,_______?6.Letthemplaytennisafterwork,_______?7.Idon’tthinksheisfondofmusic,_______?8.He’dliketogofishingthisafternoon,__________?9.Whatshesaidiswrong,_______?doesshewillitdotheydidtheywillyouwillyouisshewouldn’theExercisesisn’tit9.”Youdon’twanttobeadentist,doyou?”“____.”Yes,Idon’tB.No,IdoC.Idon’twantD.No,Idon’t10.Heusedtoliveinthecountry,________?11.You’dbettergotobedearly,________?12.Letusvisitthenewmuseum,_______?13.YoumusthavelearnedEnglishover10years,________?14.Shecouldn’tbelieveJohnliedtoher,________?15.Itrainedsosuddenlythattheymusthavegotwetjustnow,_________?didn’thehadn’tyouwillyouhaven’tyoucouldshedidn’tthey高考真题回放1.Itoldthemnoteverybodycouldrunasfastasyoudid,____?couldheB.didn’tIC.didn’tyouD.couldthey2.Thereislittledoubtinyourmindthatheisinnocent,____?isthereB.isn’tthereC.isheD.isn’the3.—IspenttwoweeksinLondonlastsummer.—Thenyoumusthavevisitedth