初中英语新人教版八年级上册Unit 2第3课时（Section A 3a-3c）教学课件（2025秋）

R·八年级上册Unit2HomeSweetHome第3课时（SectionA3a-3c） ReviewandfillWhatchildrenwanttodoWhatparentswantthemtodohangoutwithfriendsafterlunchsortthingsintoboxeskeepsomefishtakecareofthemeverydayhelpmehangupthephotosgrowsomeflowerssweepthefloorinvitefriendstoournewhousehelpmecleanuptheroomhelpputthenewclockonthewallmovethischairtotheirroomputsomeflowersbythewindowtakemetotheflowershoplater WhatchildrenwanttodoWhatparentswantthemtodoDoyoustillrememberhowtheystarttheconversation?hangoutwithfriendsafterlunchsortthingsintoboxeskeepsomefishtakecareofthemeverydayhelpmehangupthephotosgrowsomeflowerssweepthefloorinvitefriendstoournewhousehelpmecleanuptheroomhelpputthenewclockonthewallmovethischairtotheirroomputsomeflowersbythewindowtakemetotheflowershoplaterCan/CouldIdo…?Can/Couldyou(please)do…?Askforpermission.（征求许可）Makepoliterequests.（礼貌地请求） Couldyoupleasesweepthefloor?OK,Mum.I’lldoitatonce.CouldIhangoutwithmyfriendsafterlunch?Sorry,Jim,butyouhavetopackupyourthingsfirst.CanIputsomeflowersonthetable?Yes,goodidea!Canyouhelpmehangupthephotos?Sure./Noproblem!3aReadthequestionswithcanorcould.Noticehowtheyareanswered.ThenwriteRforrequestsorPforpermissionnexttoeachquestion.RPPRatonce立刻，马上 Can/Could表请求/允许的用法情态动词can/could构成的句型可用于向对方委婉地提出请求或征求对方的许可。它们本身不能作谓语，只能和动词原形一起构成谓语。 1.用于委婉地请求别人做某事常用句型Couldyou(please)dosth?Canyoudosth?肯定答语OK./Certainly./Ofcourse./Withpleasure./Noproblem./Yes,sure./…否定答语Sorry,Ican’t.Ihaveto…/I’mafraidnot./I’mafraidIcan’t.Ihaveto…/… —Couldyousortthesethingsintoboxes?你能把这些东西分类装进箱子吗？—Yes,sure.好的，当然可以。—Canyoucleanthebathroom?你能打扫浴室吗？—Sorry,Ican’t.Ihavetodomyhomeworknow.抱歉，我不能。我现在必须做家庭作业。 常用句型Can/CouldIdosth?肯定答语Yes,goodidea./Yes,youcan./Certainly./Yes,please./…否定答语Sorry,youcan’t./I’mafraidyoucan’t./…2.用于委婉地请求别人允许自己做某事 —CouldIgotothemovies?我可以去看电影吗？—Yes,youcan.是的，你可以。—CanIopenthedoor?我可以开门吗？—I’mafraidyoucan’t.It’stoocold!恐怕不行。天太冷了！ 无论是“Couldyou(please)...?”还是“CouldI...?”，问句中的could都可用can来代替，但是could更委婉。且答语中一般都避免使用could来回答。注意 could的其他用法如下：(1)could为can的过去式，表示能力。Hecouldrideabikeattheageoffive.他五岁时就会骑自行车了。拓展 (2)表示可能性，指对过去、现在或将来的某种可能的推测。ThebookcouldbeLily’sbecauseshelikesreadingbooks.那本书可能是莉莉的，因为她喜欢看书。(3)表示建议。Youcouldgotherebybus.你可以乘公共汽车去那儿。 1.—MyEnglishispoor.Couldyouhelpmewithit?—_________________.A.ThankyouB.Me,tooC.NoproblemD.Seeyou✔一、单项选择。语法精练 2.—Mom,couldIsurftheInternetafterfinishingmyhomework?—__________.You’dbettergooutforawalk.A.GoaheadB.Sorry,youcan’tC.Ofcourseyoucan✔ 3.—________yougivemeahand?Ican’tmovetheboxbymyself.—Noproblem.A.CouldB.ShouldC.MustD.Need✔ 4.—Helen,couldyoupleasewatertheflowersinmygarden?—_________.Theyaresolovely.A.That’stoobadB.WithpleasureC.You’rewelcomeD.I’mafraidnot✔ 1.Couldyouplease______(take/taking)outtherubbish?2.David,mypenisbroken.______(Should/Could)Iuseyours?3._______(Can/Could)youplaybasketballwhenyouwereinprimaryschool?takeCould二、选词填空。Could 4.—Couldyoupleasesweepthefloor,Jenny?—Sorry,I______(can’t/couldn’t).I’mdoingmyhomework.5.—CouldIgiveawaythesebookstothepoorchildren,Dad?—Sure,you_____(can/could).can’tcan 3bChoosethebestquestiontocompleteeachconversation.A.Couldyougivemearidetotownnow?B.CanIstayoutuntileleven?C.MrLake,canIuseyourtoilet?D.CouldIuseyourcomputer?1.A:_____________________________________B:Ofcourseyoucan.Letmeshowyoutheway.Cuntil（介词&连词）到……时；直到……为止 2.A:_____________________________________B:Yes,ifyouarecarefulwithit.Dbecarefulwith注意；当心同义短语：becarefulof/about当心；留意Becarefulwiththeglass.小心玻璃。A.Couldyougivemearidetotownnow?B.CanIstayoutuntileleven?C.MrLake,canIuseyourtoilet?D.CouldIuseyourcomputer? 3.A:_____________________________________B:No,youcan’t.Youhaveabasketballgametomorrow,remember?Youneedagoodrest.BA.Couldyougivemearidetotownnow?B.CanIstayoutuntileleven?C.MrLake,canIuseyourtoilet?D.CouldIuseyourcomputer? A.Couldyougivemearidetotownnow?B.CanIstayoutuntileleven?C.MrLake,canIuseyourtoilet?D.CouldIuseyourcomputer?4.A:CanIgotothemovies?B:Ofcourse.A:___________________________________B:Ican’t.Ihavetodosomeworknow.Amovie（名词）电影themovies电影院；电影产业gotothemovies去看电影ofcourse当然，相当于sure或certainly，通常在对话中用作肯定回答。 3cMakeupconversationsforeachsetting,usingcanorcould.1.Youareatyourfriend’shome.Youwanttocallyourparents,butyourphoneisdead.__________________________________________A:Can/CouldIuseyourphone?dead（形容词）不运行的；死的__________________________________________B:Sure./Ofcourse. 2.Youweresickathomeyesterday.YourfriendwenttoanEnglishclassandtooknotes.Youwanttoknowmoreabouttheclass.__________________________________________A:Can/CouldIborrowyourEnglishnotes?__________________________________________B:Sure./Ofcourse.Hereyouare.note（名词）笔记；记录；便条（动词）注意；指出takenotes做笔记 3.Youareholdingalargebox.Itisdifficulttoopenthedoor.Yourneighbourcomes.__________________________________________A:Can/Couldyoupleaseopenthedoorforme?It’s+adj.+todosth.做某事是……的。it是形式主语，真正的主语是后面的动词不定式短语。It’simportanttofollowtherules.遵守规则很重要。__________________________________________B:OK,I’lldoitatonce. 4.Youandyourclassmateswanttohelpcleanupthecommunity.Askyourclassmatestobringglovesandrubbishbags.__________________________________________A:Canyoubringglovesandrubbishbags?community（名词）社区；社团__________________________________________B:Noproblem!cleanup清扫rubbish（名词）垃圾takeouttherubbish倒垃圾rubbishbin垃圾桶 1.CanIstayoutuntileleven?我可以在外面待到十一点吗？Languagepoints(1)（介词）到……时；直到……为止后接具体的时间。Sheworkeduntil10p.m.yesterday.昨天她一直工作到晚上10点。 (2)（连词）到……时；直到……为止常用于引导时间状语从句。Iwaiteduntiltheyfinishedtalking.我一直等到他们谈完为止。Hedidn’tcomeoutuntilthemeetingwasover.主句until引导的时间状语从句主句until引导的时间状语从句 2.Youandyourclassmateswanttohelpcleanupthecommunity.你和同学们想要帮助清扫社区。cleanup清扫，是“动词+副词”型短语，当人称代词作宾语时，需要放在clean与up之间。Theyardisfullofrubbish.Let’scleanitup.院子里到处是垃圾。我们来清扫一下吧。 SchoolCleaningDayiscoming.Ifyouaretheleaderofyourgroup,makeascheduleforthecleaningplan.NameDowhatA:Couldyouplease…,Tom?B:Sure.A:Couldyouplease…,Lucy?C:Sorry,Ican’t.Ihaveto…Groupwork…… Homework1.Reviewthenewwordsandphrases.2.Reviewtheusageofcouldandcan.3.Makeupsentencestoaskforpermissionandmakepoliterequests.