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1、Unit3Couldyoupleasecleanyourroom?SectionAPeriodone教师：侯海英LeaningAimsPhrases:dothedishes,takeouttherubbish,foldtheclothes,sweepthefloor,makethebed,cleanthelivingroom.TargetLanguages:--Couldyouplease(not)…?--Yes,sure./Sorry,Ican’t.--CouldI…?--Yes,youcan./Sorry,youcan’t.ch
2、oreshouseworkmess[mes]杂乱，不整洁DothechoresmakethebedcleanthelivingroomDothechorestakeouttherubbish[ˈrʌbɪʃ]sweepthefloor[swi:p][flɔ:(r)]垃圾打扫地板Dothechoresfoldtheclothes[fəʊld]dothedishes折叠洗碗Memorychallengemakethebedcleanthelivingroomtakeouttherubbishsweepthefloorfoldtheclot
3、hesdothedishesChantBed,bed,makethebed.Floor,floor,sweepthefloor.Dishes,dishes,dothedishes.Clothes,clothes,foldtheclothes.Rubbish,rubbish,takeouttherubbish.Chores,chores,Ilikedoingchores.guess---Couldyouplease…---Yes,sure./Sorry.Ican’t.HarmonioussocietyspitinpublicA:Cou
4、ldyoupleasenotspitinpublic?B:Sorry,Iwon’tdoitagain.HarmonioussocietycutinlinesmokeinpublicdroptherubbisheverywhereA:Couldyoupleasenot…?B:Sorry,Iwon’tdoitagain.PairworkA:CouldIuseyourcomputer?B:Sorry.I’mgoingtoworkonitnow.A:Well,couldIwatchTV?B:Yes,youcan.Butfirstyouhav
5、etocleanyourroom.2cCouldIgotothemoviesstayoutlategooutfordinnergetaridePeterPeter’sfatherPairworksummary如何给他人有礼貌地提出请求和建议？如何有礼貌的应答呢？Couldyou(please)+V原？Couldyou(please)+not+V原?Yes,Ican./sure./Ofcourse./Allright./OK./Noproblem.Sorry.Ican’t.1.Iambusy.2.Iamstudyingforatest
6、.3.Ihavetodomyhomework.4.Ifeelterrible.summary如何征询别人的许可？如何有礼貌的应答呢？CouldI+V原？Yes,youcan./Sure，thatshouldbeOK.No,youcan’t./Sorry,I….Languagepoints(一)情态动词could的用法Could为can的过去式，表示“过去的能力”它引导的一般疑问句肯定回答和否定回答都用could。eg：--Couldyouplaysoccerwhenyouwere5yearsold?--Yes,Icould./No,
7、Icouldn’t.提出礼貌的要求：句型：--Couldyou(please)+V原?--Couldyou(please)+not+V原?表示请求许可：句型：--CouldI+V原？注：用CouldI…?时，表示请求对方准许，对方回答是不能用could，而要用can。eg：--CouldIuseyourbicycle?--Yes,youcan.对于这种请求的肯定和否定回答的常用语：肯：Yes,sure./Ofcourse./Certainly./Allright./OK./Noproblem.否：Certainlynot./No,I
8、’mafraidIcan’t.could与can都是情态动词，二者都可用于表示请求的句子中，但是用法稍有不同。can表示一般性的请求，语气较随便，常用于熟人之间或长辈对晚辈、上级对下级的场合。例如：Canyoutellusyourst
