【公開課】Unit3Discovering+Useful+Structures課件人教版（2019）必修第一冊

UnitThreeTagquestions1、一般疑問句e.g.Doyouliketheseanimals?疑問句類型2、特殊疑問句e.g.Whorunsfastestinyourclass?3、選擇疑問句e.g.Doyouliketoplayfootballorbasketball?4、附加疑問句/反意疑問句e.g.Idon’tthinkhewillcome,willhe?例句構(gòu)成Youoftenplaybadminton,don’tyou?It’sabeautifulday,isn’tit?It’snotarealsport,isit?Theycan’tfinishitbyFriday,canthey?Nobodysawhimwalkintotheroom,didthey?You’veneverbeentoParis,haveyou?Comealongwithme,willyou?/canyou?/won’tyou?/

can’tyou?Don’tmakeanynoise,willyou?附加疑問句(Tagquestion)的形式肯定陳述句

+否定附加疑問否定陳述句+肯定附加疑問含否定詞的陳述句+肯定附加疑問祈使句

+附加疑問Doingexercisewilldoyougood,_______?肯定式陳述+否定式疑問Youaregoingtothegymwithme,_________?aren’tyouwon’titThereisaswimmingpool,________?isn’tthereTheycan’tfinishitbyFriday,_______?Hisschoolisnotfarfromhere,_____?isitcanthey否定式陳述+肯定式疑問TolearnGermanwellisn’teasy,____?isitShehasneverbeentoParis,______?Nobodysawhimwalkintotheroom,_______?didtheyhasshe含否定詞的陳述+肯定式疑問陳述句帶有否定含義的詞(no,nothing,nobody,nowhere,never,few,little,seldom,hardly,rarely,scarcely,neither,undernocircumstances)時當否定處理，尾句用肯定。A:There’llbeane-sportseventtomorrow.B:I’veheardofit.Yourfavoriteteamiscoming,isn’tit?A:Yes,itis.Let’sbuysometickets,shallwe?B:ButIhavesomeworktodo.Youshouldgo.Sendmesomephotos,willyou?A:SureIwill.toconfirm(證實）torequesttosuggest附加疑問句的交際功能You

can’tswim,_______?Yourmotheroftengivesyoumoney,_________?Theboy

wasfoundbythepolice,________?I

amabitlate,_______?You

shouldgetupearly,___________?They

wereplayingfootballyesterday,__________?She

hasanicekitten,__________?That

wasn'tabigsurprise,_____?There

won'tbeanytrouble,________?canyoudoesn’tshewasn’the附加疑問句的結(jié)構(gòu)aren’t

Ishouldn't

youweren't

theyhasn't

shedoesn't

shewas

it陳述句中的主語是this,that時，尾句用it；陳述句的主語時these,those時，尾句用they。will

there陳述句中用存在句式時，尾句主語部分用there代替。助動詞be動詞情態(tài)動詞表示主語的代詞附加疑問句的回答A:The29thOlympicGameswereheldinBeijing,weren’tthey?B:____________.Yes,theywereA:Jordanstartedtoplaybasketballincollege,didn’the?B:___________.Hefirststartedatseniorhighschool.A:Davidhasbeentoaboxingmatch,hasn’the?B:___________.HealwayswatchesboxingonTV.No,hedidn’tNo,hehasn’tA:Youcan’tcook,canyou?B:_________.Infact,I’mgoodatcooking._________.Yes,Ican肯定回答用yes，否定回答用no。Yes后用肯定，No后用否定。不，他沒去。不，我會。注意回答否定陳述句時的英漢差異No,Ican’t對，我不會。注意：(尾句部分的主語是代指前面主句主語的人稱代詞)Everythingisready,______?Nothingcanstopyou,_____?1、當陳述句主語是somebody,someone,everyone,everybody,noone,nobody,each,one,none等復合不定代詞、those,these等指示代詞或“the+adj.”時，尾句主語用they。Everyoneenjoyedtheparty,_________?Noonewaslate,________?weretheydidn’ttheyisn’titcanit2、當陳述句主語是something,anything,nothing,everything等不定代詞或that,this等指示

代詞時，尾句主語用it。不定式，動名詞做主語時，尾句主語為it3、當陳述句Let’s開頭的祈使句時，包括說話人和聽話人雙方在內(nèi)，含有催促、建議

或請對方一起行動的意思尾句主語用shallwe。Let'sgotothemovietheater,_______?Let'sgooutforawalk,_______?shallweshallweLetusgoforawalk,_______?Letmehaveatry,_______?Lethimjoinus,_______?willyouwillyouwillyou4、Letus(me/him/her/them..)指請求對方允許自己(他人)做某事，用willyou。Don’tmakeanynoise,________?Don’tforgettowritemealetter,________?Openyourbook,_______?Pleasecomeherethisevening,_______?Stoptalking,________?willyouwillyouwon’tyouwillyouwillyou5、肯定祈使句，表示請求尾句可用will/can/couldyou，表示生氣時提醒可用won’t/can’tyou。6、否定祈使句，表示請求，用willyou。Youallhadagoodtime,_________?Youhadmilkandbreadforbreakfast,_________?Hedoesn’thaveawalkaftersupper,_______?1、表示“有”以外的意義時，尾句用do及其變體形式。主句謂語動詞didn’tyoudidn’tyoudoeshe2、have表示“有”時：美國英語中，尾句用do及其變體形式；

英國英語中，用have,has,had。TheAndersonshaveabigbungalow,________?Kevinhasanewbike,________?Hehasn’tanysisters,______?Kevinhasanewbike,________?hashedon’ttheydoesn’the(Am.E)hasn’the(Br.E）Wehavetogetthereateighttomorrow,_______?Theyhadtocrossthebusystreet,_________?don’twedidn’tthey3、陳述句有助動詞have/has/hadto，尾句部分常用don’t/doesn’t/didn’t。

Sheusedtotakepicturesthere,_____________she?You’dbetterreaditbyyourself,_______you?Heoughttoknowwhattodo,____________________he?陳述句且含有oughtto,usedto,hadbetteroughtn’the?/shouldn’tdidn’t/usedn’thadn’t1、陳述句有oughtto，尾句部分助動詞用shouldn’t/oughtn’t。2、陳述句有usedto，尾句部分助動詞用didn’t或usedn’t。3、陳述句有hadbetter，尾句部分助動詞用hadn’t。Youmustgohomenow,__________?Hemustworkhardtoday,_________?陳述句且含有情態(tài)動詞mustmustn’tyoumustn’themustyou1、當must表示必須，尾句部分用mustn’t

或needn’t。2、當陳述句使用mustn’t表示禁止，尾句部分用must或may。Youmustn’tparkthecarhere,________?Hemust

havefinishedityesterday,_______?Theroommust

havebeencleanedlastnight,_______?Heissotall.Hemust

bethetallestintheclass,_______?It’steno’clock.Theymust

bewaitingoutside,_________?Shemust

comefromthenorth,__________?aren’ttheydoesn’tsheisn’the3、當must表示推測，疑問部分根據(jù)must后的動詞推測：對現(xiàn)在的情況推測：Youmust

havetoldheraboutit,__________?Shemust

havearrivedbynow,________?didn’thewasn’tithaven’tyouhasn’tshe對過去的情況推測：A.有明確的過去時間作狀語，用一般過去式didn’t：B.沒有明確時間狀語，強調(diào)動作完成，用現(xiàn)在完成時haven’t/hasn’t：陳述句含有動詞need,dare(作實義動詞時，有時態(tài)、人稱和數(shù)的變化)Youneed

tothinkaboutit,_____you?don’t1、陳述句中的

need,dare為實義動詞時，尾句部分助動詞用do,does,did。Weneed

Englishtogethighereducation,_____we?don’tSheneedstogoout,______she?doesn’tHeneednotgotoworktomorrow,_____he?needYoudarenotgiveatalkinrepublic,_____you?dare2、陳述句中的need,dare為情態(tài)動詞時，尾句部分助動詞用need,dare。Hethoughtshewaswrong,________?ShesaidtheywouldvisitJapannextmonth,________?You

knowthatyoucandoit,________?Idon'tthinkheisright,_____?Webelieveshecandoitbetter,_______?Itappearsthatsheisenjoyingherself,_______?陳述句含有賓語從句或是并列復合句didn’thedidn’tshecan’tsheishe當陳述句為I/we

(don’t)think(believe,suppose,expect,imagine…)that...和itappearsthat,itseemsthat,itlooksasif等時，尾句部分的主語通常與從句保持一致。如果主句主語不是第一人稱，則尾句中的主語與主句保持一致。IhavetoldTomthetimeoftheirflight,soheshouldhavearrivedattheairportnow,shouldn’the?并列復合句疑問部分，尾句的助動詞根據(jù)鄰近從句的謂語確定。isn't

shedon't

you反意疑問句的語調(diào)He’srightbehindme,isn’the?1.Whenthespeakerissureoftheanswerandheorsheissimplyencouragingaresponse,theintonationinthequestiontaggoesdown:2.Whenthespeakerisnotsureandwantstocheckinformation,theintonationinthequestiontaggoesup:Ohno,he’srightbehindme,isn’the?升調(diào)表示對所說內(nèi)容沒把握而發(fā)出疑問或請求；降調(diào)表示對所說內(nèi)容已有把握，只是求證(confirm)或希望對方同意。Dave:Wonderfulgym,isn’tit?Jack:Er…yes.It’sgreat.Dave:Thisisn’tyourfirsttimehere,isit?Jack:Actually,itis.Youcomehereoften,don’tyou?Dave:Yep.Atleastthreetimesaweek.Jack:You’velostsomeweight,haven’tyou?Dave:Yes.Allthatfathasbecomemusclenow.ifyouwanttoloseweight,too,Irecommendusingthespinbike.Jack:OK,butitwon’tmakemetootired,willit?Dave:Maybeatfirst,butyou’llgetusedtoit.IusedtocomehereeverydaywhenIfirststarted.Jack:Oh,Idon’thavetocomehereeveryday,doI?Dave:No.Ofcoursenot.It’suptoyou,isn’tit?↗↙↙↗↙↗↙sure確定unsure不確定1.Maryseldomgoesoutaloneintheevening,_______?2.Nothingwillmakehimgivein,_____?3.NobodyexceptmeknowsFrenchinmyclass,_______?4.Noneofthemarrivedontime,_______?5.Don’tbelateagain,_______?6.Letthemplaytennisafterwork,_______?7.Idon’tthinksheisfondofmusic,______?8.He’dliketogofishingthisafternoon,__________?9.Whatshesaidiswrong,_______?doesshewillitdotheydidtheywillyouwillyouisshewouldn’theExercisesisn’tit10.Heusedtoliveinthecountry,________?11.You’dbettergotobedearly,_________?12.Letusvisitthenewmuseum,_______?13.YoumusthavelearnedEnglishover10years,_________?14.Shecouldn’tbelieveJohnliedtoher,________?15.Itrainedsosuddenlythattheymusthavegotwetjustnow,_________?didn’thehadn’tyouwillyouhaven’tyoucouldshedidn’tthey高考真題回放1.Itoldthemnoteverybodycouldrunasfastasyoudid,____?A.couldheB.didn’tIC.didn’tyouD.couldthey2.Thereislittledoubtinyourmindthatheisinnocent,____?A.isthereB.isn’tthereC.isheD.isn’the3.—IspenttwoweeksinLondonlastsummer.—ThenyoumusthavevisitedtheBritishMuseumduringyourstay,_____you?A.mustn’tB.haven’tC.didn’tD.hadn’t陳述句中的“情態(tài)動詞+havedone”后面有表示過去時間的時間狀語時，尾句用一般過去時；如果沒有表示過去時間的時間狀語，尾句用現(xiàn)在完成時中的助動詞have/has提問。1.YoumusthavelearnedEnglishover10years,________you?2.Itrainedsosuddenlythattheymusthavegotwetjustnow,_______they?3.—IspenttwoweeksinLondonlastsummer.—ThenyoumusthavevisitedtheBritishMuseumduringyourstay,_______you?haven’tdidn’tdidn’tp.401Read

theconversationsbelowandunderlinethetagquestionsandtheiranswers.Whatfunctionsdothetagquestionshave?

1Amy:It’snotarealsport,isit?

ShenQi:Yes,itis.

2Adam:Thatsoundsinteresting,doesn’tit?

Julie:Sure,itdoes.

3LinTao:Hi!It’sabeautifulday,isn’tit?

HanJing:Yes,itis.I’mgoingtoplaysoccer.Canyoucomealongandjoinus?

LinTao:Sorry,Ican’t.I’vegottomeetmyadviser.Bytheway,ourschoolsoccerteamwonatlast,didn’tthey?

HanJing:No,theydidn’t.It’stoobad.______________________________________________附加疑問句的功能：用來質(zhì)疑或者表示證實。2Completetheconversationswithappropriatetagquestionsorcorrectanswers.No,itisn’tcan’tweisn’titNo,wecan’tdoesn’tsheNo,shedoesn’tisn’theisheisn’thep.401Readtheconversationaloudandpayattentiontothetonesofthetagquestions.Explain

themeaningthatdifferenttonesexpress.A:We’reallsobusy,

butwecan’tjustsitaroundandstudyallthetime,canwe?B:No,wecan’t.SometimesIjusthavetogetupanddoafewjumpingjacks.A:Jumpingjacks?Thoseareakindofexercise,aren’tthey?B:Yes,

theyare!Youjumpandbringyourhandstogetheraboveyourheadandmoveyourfeet

apart.Thenyoujumpagain,bringingyourhandstoyoursideandyourfeettogether.I’m

sureyou’vedonethembefore,haven’tyou?A:Iknowwhatyoumeannow.Theyarealsocalledstarjumps,aren’tthey?Whydon'twedoa

fewnow?B:Sure.p.84(Afallingtoneshowsthisiswhatthespeakerbelieves,andwantstheotherpersontoagreewithhim/her.)(Arisingtonehereshowsthespeakerwantstogetinformationfromtheotherperson.)(Afallingtonehereshowsthatthespeakeriscertainofwhattheotherperson’sanswerwouldbe.Arisingtonecouldalsobeusedtoshowthatthespeakerwouldbesurprisediftheotherpersonhasnotheardofjumpingjacks.)(Afallingtoneshowsthespeakerknowstheanswertothequestionandisjustseekingconfirmationfromtheotherperson.Arisingtonecouldalsobeused,ifthespeakerwasn’tassure,oriftheywantedtotestwhethertheotherpersonknewthis.)p.852Addtagquestionstothestatements.1Let’sgoandworkoutinthegym,________?2Youdon’ttakepartinamarathonwhenyou’reill,______?3TurnofftheTV,_________________________?4She’sdoingallshecanforusintimesofstress,sowemustbackherup,__________?5Henrythinksyouarecheatingyourfriends,__________?6Andy’sneverbeenanythingbutafriendlyguy,______?7Emilyhadtocutoutsugarfromherdietasherdoctorsuggested,__________?8Th