Period1Period1sweepthefloorWhataretheydoingnow?dothedishesmakethebedtakeoutthetrashfoldtheclothescleanthelivingroomCanyoufindthedifference?Sweepthefloor!Canyousweepthefloor?Couldyoupleasesweepthefloor?Differentwaysofsaying.Whichisthemostpolite?有礼貌的sweepthefloorA:Couldyouplease…?B:Yes,sure.No/Sorry,Ican't.ChoresPeter’schoresorMom’schoredothedishessweepthefloortakeoutthetrashmakeyourbedfoldyourclothescleanthelivingroomthelivingroomcleancleanthelivingroomSure,Mom!Couldyoupleasecleanyourroom?A:Couldyoupleasesweepthefloor?B:Sure./Sorry,Ican’t.dothedishessweepthefloortakeoutthetrashmakeyourbedcleanthelivingroomfoldyourclothesdochoresCleantheroom!dirtyYes,sure.sweepthefloor?CouldyoupleaseYes,sure.takeoutthetrash?CouldyoupleaseYes,sure.dothedishes?Couldyoupleasefoldtheclothes?CouldyoupleaseSorry,Ican’t.Ihavetodosomereading.WeLoveourparents.Wehelpdothechores.Whoisthemostable(最能干)athome?Hello!I’m…Inmygroup,…doesthedishesandcleans______________________________________________________________________________________________________________________________________________.Wethink..isthemostableoneathome.Politerequest:Couldyoupleasecleanyourroom?Yes,Sure!Whatdowelearntoday?dothedishessweepthefloortakeoutthetrashmakeyourbedcleanthelivingroomfoldyourclothesdochoresdothedishesA:Couldyouplease…?B:Yes,sure.No/Sorry,Ican't.takeoutthetrashA:Couldyouplease…?B:Yes,sure.No/Sorry,Ican't.Ihaveto….foldtheclothesA:Couldyouplease…?B:Yes,sure.No/Sorry,Ican't.Ihaveto….dothelaundryA:Couldyouplease…?B:Yes,sure.No/Sorry,Ican't.Ihaveto….makethebedA:Couldyouplease…?B:Yes,sure.No/Sorry,Ican't.lookafterbabybrother,…cook/makedinnerwashthecarwashtheclothesgoshoppingdrivingacarmakingcake•1.Couldyoupleasecleanyourroom?•Could/would/youplease+动词原形+其它成分•是一种表示请求或征询对方意见的客气委婉的说法,could在此句型里表示请求,而不是can的过去式,could比can的语气更加委婉、客气,让人易于接受.因此平日里人们更多使用could,而不用can.否定句直接在please后加not•eg.Couldyoupleasetakeoutthetrash?•Couldyoupleasenottellhimaboutit?sweepthefloordothedishestakeoutthetrashThey’redoingchoresmakethebeddothelaundryfoldtheclothessweepthefloorfoldtheclothestakeoutthetrashdothedishesmakethebedcleanthelivingroom