Unit 3 Grammar -人教版八年级英语下册

Unit3Couldyoupleasecleanyourroom?SectionAGrammarAnswerthefollowingquestions.1.Howmanypeoplearethere?2.What'stherelationshipbetweenthem?3.WhywasNancy'smomangrywithher?Two.MomanddaughterBecauseNancydidn'twanttotakethedogforawalk.Let'slearnit!comeover过来walkaway走开Athrowdown扔下dohousework做家务allthetimetakethedogforawalkinsurprise—直遛狗惊讶地Lookanddiscuss.Trytoexplain"could"Couldyoupleasetakethedogforawalk?你可以去遛狗吗？CouldIwatchoneshowfirst?我能否先看一集电视？Icouldnotfindacleandishoracleanshirt.我不能找到一个干净的盘子和一件干净的衬衫。can的过去式，〃能够〃礼貌地提出请求，〃可以〃委婉地请求许可，〃能否〃情态动词could的意义Let’sanswerit!Lookanddiscuss.Trytoconcludehowtoanswer"couldquestions".Amy,couldyouswimwhenyouwerefive?No,Icouldn'tCouldyoutidyyourroomtoday?Certainly.MissChen,couldIgiveyoumyhomeworktomorrow?Yes,youcan.Let'sdoit!MakenewconversationsbyusingtheinformationandphrasesandactitoutplaywithA:CouldI...?B：Yes,...can.tryonCouldyouplease...?Ofcourse...pickuptherubbish/Sorry.../Sorry...Let'sconclude!情态动词could的用法一般疑问句肯定回答否定回答•Thepasttenseofcan•Makepoliterequests•AskforpermissionCouldSb.do...Couldyoudo...CouldIdo...?—Yes,Sb.could.一Yes,Sure!...Yes,youcan.-No,Sb.couldn't.一Sorry,Ican't.Ihaveto...No,youcan't.Morestructuresofgivingoraskingforadvice(1)What/Howaboutdoing...?___怎么样？(2)Whynotdo..?=Whydon'tyoudo..？为什么不做某事？(3)Wouldyouliketodo...？标想妻......吗？(4)Let，sdo…提出建议或征求对方意见。(5)Shallwed。...？用于第一人称，征求对方意见。(6)Wouldyouminddoing...?你介意做......吗？You'renevertooheavyforyourmothertobear.Buttry,asyougetolder,toswaprolesonceinawhile.母亲从不觉得孩子是负