Couldyoupleasecleanyourroom课件.ppt

Unit3Couldyoupleasecleanyourroom?SectionAPeriodOnectivesTolearntomakepoliterequestsTolearntoaskforpermissionTolearnandreviewsomeverbphrasesTolearnnewwords:rubbish,fold,sweep,floor,mess,throw,neither,shirt…!??Canyoufindthedifference??could与can的用法区别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:Canyoutellusyourstory,Tony?请你给我们讲讲你的故事好吗,托尼?could表示有礼貌的请求,语气委婉,常用于非熟人之间或晚辈对长辈、下级对上级的场合。例如:Couldyoupassthesalttome?请你把盐递给我,好吗?Couldyoupleasecleanyourroom?请你打扫一下你的房间,好吗?Doyouoftenhelpyourparentsdochores?dochores=dohouseworknthelivingroomdothedishesmakethebedDoyoudothesechoresathome?washthedishestakeouttherubbishfoldtheclothessweepthefloormemorytestTrytorememberthepicturesinorder.