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1、Unit3Couldyoupleasecleanyourroom?TheusageofCouldSunWeiClassFourGradeEightWhoisthegirlinthemovie?Whatdidshedo?Isthehousecleanordirty?WarmingupDoyouoftenhelpyourmotherdochores?=dohousework做家务WeLoveourparents.Wehelpdochores.Languagegoal：makepoliterequests.Askforpermission.Tolearntheusageofcould.Howto
2、drawtheknowledgetreetosummarizetheusefulexpressions.Emotionalgoal：learntounderstandyourparents,helpthemdochoresathometostimulatetheresponsibility.learningaims(学习目标)洗餐具dothedishes倒垃圾叠你的衣服扫地整理床铺打扫起居室sweepthefloorfoldyourclothesmakeyourbedtakeouttherubbishcleanthelivingroom挑战自我！Peter,couldyoupleaseta
3、keoutthetrash?--Peter,couldyoupleasetakeouttherubbish?--Sure,Mum.=Ofcourse/Certainly/Allright.Kimi,couldyoupleasemakeyourbed?Sure.Couldyoupleasefoldyourclothes?Certainly.--Shitou,couldyoupleasecleanthelivingroom？Sorry,Ican’t.Cindy,couldyoupleasesweepthefloor?Sorry,I’mafraidnot.Whatotherchoresdoyou
4、know?Weshouldtrytobehelpfulanddosomechoresathome.BrainStormcleanthekitchenwashtheclothestakethedogforawalkfeedthecatwashthecartidyyourdeskcookdinnercleanthewindowpackyourschoolbagSweepthefloor,peterCanyousweepthefloor,peter?Couldyoupleasesweepthefloor,peter?Howtomakearequest(要求)Whichisthemostpolit
5、e（礼貌）?CouldIpracticesingingontheweekend?Sure,thatshouldbeOK.CouldIpleaseplaybasketballafterschool?No,youcan’t.Youhavetodoyourhomeworkfirst.--CouldIgotoamovieonSaturday？No,youcan’t.Youhavetocleanthelivingroomonweekends.CouldIgooutfordinnerwithmyfriends?Sure,thatshouldbeOK.Couldwegetsomethingtodrink
6、afterthemovie?No,youcan’t.Youhaveabasketballgametomorrow.Couldyoupleasetakethedogforawalk?OK,butIwanttowatchoneshowfirst.Couldyoupleasetakeouttherubbish?Yes,sure..阅读下列句子，观察问句的用法及回答。Keysentencestructures一Couldyou（please）+V-原形？表示委婉地提出请求1.Couldyoupleasecleanyourroom?Yes,Ican./Ofcourse./Certainly./Sur
7、e./Noproblem.2.Couldyoupleasedothedishes?Sorry,Ican’t./Sorry,I’mafraidnot.注意：一般不用NO开头，用No显得态度生硬，不礼貌二CouldI(please)+V？表示征求许可CouldIgooutfordinnerwithmyfriends?Sure,thatsoundsgood./Yes,youcan.Couldwegetsomethingtodr
