Grammarandusage板块:教学设计—课件Unit3Questiontags’the?1.肯定的陈述句+否定的附加疑问句Thebellisn’tringing,isit?2.否定的陈述句+肯定的附加疑问句Let’sbeginourclass,shallwe?3.祈使句+附加疑问句结构1.肯定句,+否定(助/系/情+代词)?2.否定句,+肯定(助/系/情+代词)?3.祈使句,+willyou/won’tyou?notesYou’recoming,_________?Johndoesn’tliketea,________?Shecan’tswim,_______?Thisisyourcar,_______?Tomsawthefilm,_______?LilyisfromEngland,_________?LilycomesfromEngland,_________?Thestudentshavefinishedtheirhomework,__________?注意助动词、情态动词和系动词的选择aren’tyoudoeshecansheisn’tyoudidn’theisn’tshehaven’tyoudoesn’tyouQuestiontagscanbeusedwhenyou…•askforagreementeg:youstillgotothegymeveryday,don’tyou?•askforconfirmationeg:youstillgotothegymeveryday,don’tyou?功能afallingintonationafallingintonation回答•肯定:Yes,代词+(助/系/情+代词).•否定:No,代词+(助/系/情+代词).You’recoming,aren’tyou?Johndoesn’tliketea,doeshe?Yes,Iam.No,Iamnot.Yes,hedoes.No,hedoesn’t.1.当陈述句的主语是everybody,everyone,someone,noone,nobody,somebody或不定人称代词时,附加疑问句中的主语一般用they.notesSomeoneoughttocleanittoday,oughtn’tthey/shouldn’tthey?1.当陈述句的主语是everything,something,anything,nothing,this,thatone,或不定人称代词时,附加疑问句中的主语一般用it.notesNothingcanstopusnow,can'tit?Thecarhashardlybeencleanedforafewdays,hasit?2.当陈述句带有seldom,hardly,rarely,never,few,little,nobody,nowhere,nothing等否定词或半否定词时,附加疑问句的动词用肯定形式区别HedislikesreadingEnglishaloudinthemorning,___________?Helookedunhappy,_____________?doesn’thedoesn’the主句中若含有通过加前缀构成的否定词,尽管表否定意义,仍是肯定句,其后用问句用否定。3.陈述部分是并列句时,附加疑问部分的主语应与邻近分句的主语一致。Theirfatherhasanewcar,andtheycleanitforhim,don’tthey?Itmusthavejustrained,andthecarisverydirty,isn’tit?4.陈述句部分是复合句时,附加疑问句部分的主语与主句主语一致。Onlylazypeoplesaythey’llworktomorrow,don’tthey?注意陈述部分的主语是Ithink,Isuppose,Ibelieve等结构时,附加疑问句部分与从句中的主语和谓语动词一致。但要注意否定前置的情况。Ithinkyoushouldenjoyworking,shouldn’tyou?5.当陈述句部分有表示“有”含义的动词have时,附加疑问句部分既可以用have形式,也可以用do形式Theirfatherhasanewcar,doesn’the/hasn’the?注意:陈述句部分的have不表示“有”时,附加疑问句中的动词部分需用do/have形式。1.Hehadhiswatchrepaired,_______?2.Weusuallyhavebreakfastatseven,______?3.Hehasfinishedhishomework,________?4.Markhastocleanit,_________?didn’titdon‘twehasn’thedoesn’the6.陈述部分的动词是mustbe,且表示目前情况的猜测时,附加疑问句部分的动词要用be的人称变化形式。Itmustbehisturn,isn’tit?Hemustbeadoctor,isn’the?Itmusthavejustrained,hasn’tit?Itmusthaverainedyesterday,didn’tit?7.陈述部分的谓语是“must+havedone”,表对过去情况的猜时,附加疑问句中需用did(有明确的时间状语)或have/has(无明确的过去时间状语或有与现在相关的时间状语)。注意:Wemustworkhard,___________?Theboysmustn'tplaywithfire,________?Wemuststudyallthesubjectswell,________?(must在这里不表示必须,只表示有必要,所以不重复must,要用need.)(当must表示禁止时,反意问句要用may.)must在这里表示必须,mustn’tmustn’twemaytheyneedn'tweCleanitnow,willyou?Don’tcleanitnow,willyou?Letuscleanitnow,willyou?Let’scleanitnow,shallwe?8.在祈使句中,附加疑问句部分一般用willyou,won’tyou,wouldyou,也可用canyou,can’tyou,couldyou等,可根据语气选择。如果是Let’s开头的句子用shallwe.。•Iamathree-goodstudent,_______?•ThereissomethingwrongwithyourTVset,_________?•Iwishtogotothecinema,_______?•Thegirldaren'tgohomealone,_________?•Heusedtogetupearly,_______________?•Weoughttomakeagreatercontributiontotheworldrevolution,___________________?•You’dbetterfinishyourhomework,_________?aren'tIisn'ttherehadn’tyoudareshedidn'the/usedn'theshouldn't/oughtn'twemayIStep3Presentation1.Pleaselookatthepicturesandreadthesentencesincorrectintonation.Wow!Ithinkthisdresswillmakemelookslim,won’tit?ThisisreallydifficultbutIfeelsostrong,don’tI?Youmustgetenoughsleeptostayhealthy,mustn’tyou?Eatingmorefruitmakesmefeelbetter,doesn’tit?Step5PracticeNowlet’sdosomeexercisesandyouwillchoosealettertodecidewhichoneyouwilldo.2.Readthedialogueandpayattentiontotheunderlinedsentences.ADirtyCarJohn,PeterandMarkarebrothers.Theirfatherhasanewcar,andtheycleanitforhim,___________?Itmusthavejustrained,andthecarisverydirty,______?Johnislookingatit,andheistalkingtoPeter.don’ttheyisn’titJohn:Thecarhashardlybeencleanedforafewdays,_______?Peter:No,ithasn’t.It’sverydirty.John:Someoneoughttocleanittoday,_________________________?Peter:Markhastocleanit,__________?Itmustbehisturn,___________?John:No,hecleaneditlasttime.It’syourturn.hasitoughtn’tthey/shouldn’ttheydoesn’theisn’titPeter:No,itisn’t.YoualwayscleanitafterMark.John:Ohdear,isitreallymyturn?Inthatcase,I’llcleanittomorrow.Peter:Cleanitnow,________?Onlylazypeoplesaythey’llworktomorrow,___________?John:ThenI’llcleanitthedayaftertomorrow.Peter:Youarelazy.Yououghttobeashamed.Ithinkyoushouldenjoyworking,_______________?willyoudon’ttheyshouldn’tyou1.Isupposeyou’regoingtoday,______?A.areyouB.doyouC.don’tyouD.aren’tyouD2.Iwishtoshakehandswithyou,_______?A.shallIB.mayIC.doID.willIB3.Theyhavetostudyalot,____?A.don’ttheyB.haven’ttheyC.didtheyD.hadn’tthey4.I’msuretobedirty,______?A.AmIB.isn’tIC.aren’tID.amnotIAC5.Whenthecarcrashed,yourbrothersescapedbeinghurt,___?A.didn’ttheyB.didheC.diditD.didn’titA6.Hehashishaircuteverymonth_______?A.hasheB.hasn’theC.DoesheD.doesn’theD7.Yourfriendneedstocomeearlier,_______?A.doesheB.doesn’theC.needheD.needn’theB8.----Alice,youfeedthebirdtoday,______?----ButIfedityesterday.A.doyouB.willyouC.didn’tyouD.don’tyouBCongr