八上外研社Unit-1-While-the-lights-were-changing-to-red-

8Unit1Whilethelightswerechangingtored,acarsuddenlyappeared.Theboy__________basketballyesterday.playedThey____________basketballat4p.m.yesterday.wereplayingThey____abirthdaypartylastnight.hadThey___________abirthdaypartyatninelastnight.werehaving1.Tounderstandthepastcontinuouswithsomeadverbialclauses2.Tolearnsomekeywordsandusefulexpressionsaboutaccidents3.Totalkaboutwhatwashappeningataspecifictimeafallenbikeabrokencaranaccidentacarabike.[hit]碰撞Whathappenedinthepicture?hithit--hittrafficlightschangetored/yellow/greenWhilethelightswerechangingtored,出现acarsuddenlyappeared.[I]Watchamovie点击此链接播放一、Whilethelightswerechangingtored,acarsuddenlyappearedroundthecorner.当交通灯变红时，一辆汽车突然在拐角附近出现。while只能表示某一段时间，不能表示某一点时间。在while引导的时间状语从句中，其谓语动词只能是延续性的，而且也只能与主句中的谓语动词同时发生或存在。1.WhileJimwasmendinghisbike,LinTaocametoseehim.正当吉姆修自行车时，林涛来看他。2.Youcan’tdoyourhomeworkwhileyou’rewatchingTV.你不能一边看电视一边做家庭作业。Grammar二、WhenIwasdrivingalongtheroad,theaccidenthappened.当事故发生时，我正沿着马路开车。when既可表示某一点时间，也可以表示某一段时间。在when引导的时间状语从句中，其谓语动词可以是延续性的，也可以是非延续性的，可与主句中的谓语动词同时发生，也可在其后发生。1.Iwasjustreadingabookwhenshecameintomyroom.她走进我房间时，我正在看书。2.Wereyouwritingaletterwhentheteachercamein?老师进来的时候，你在写信吗？•when和while的区别还在于：while引导的时间状语从句多用进行时态，而when引导的时间状语从句多用一般时态。1.Whiletheyweretalking,thebellrang.在他们谈话的时候，铃响了。2.Iwasdoingmyhomeworkwhenmymothercamebackhomeyesterdayevening.昨天晚上妈妈回家的时候，我正在做家庭作业。三、当主句和从句的动作都是延续的或同时发生的，两句都用过去进行时的时候，多用while引导。e.g.Theyweresingingwhileweredancing.他们在唱歌，我们在跳舞。1.Mymotherwascooking.MyfatherwaswatchingTV.2.Iwaswaitingatthebusstop.Jimmadeaphonecalltome.MymotherwascookingwhilemyfatherwaswatchingTV.IwaswaitingatthebusstopwhenJimmadeaphonecalltome.Combinethesentenceswith“when”or“while”.paleappearroundcornerhitgladriskattentionsideaccidentdriverhappenmobilephonepolicemanroadpolicewomanpolicewomenpolicemanpolicemendrivermobilephonefalloffhisbikehurthiskneepale苍白的Whatadvicecanyougivewhensomeoneareridingabike?4.Payattention，stopattheredlights!1.Don’tridetoofast!3.Don’tridesidebysidewithyourfriends!2.Don’tlistentomusic!listentothemusic从…跌落1.Whosawtheaccident?2.Didthecarstopjustintime?MsJames.Yes,itdid.点击此链接播放声音1.Whatwastheboydoingwhenhewasridinghisbike?Hewaslisteningtomusic.2.Whendidacarsuddenlyappearroundthecorner?Whilethelightswerechangingtored.3.Didtheboyfalloffhisbike?Yes,hedid.Betty:Goodmorning,MsJames!Youlookpale.Areyouallright?MsJames:I’mOK,butIsawanaccident.Aboywasridinghisbikeandlisteningtomusicontheroad.Daming:That’sverydangerous!MsJames:Iwaswaitingtocrosstheroad.Whilethelightswerechangingtored,acarsuddenlyappearedroundthecorner.Itwasn’tgoingfast,butitdidn’tstop.Lingling:Didtheboystop?MsJames:No.Andthedriverwastalkingonhismobilephone.Betty:Didtheboycarhittheboy?MsJames:No,I’mgladtosay.Thecarstoppedjustintime,buttheboyfelloffhisbikeandhurthisknee.Tony:That’stoobad.MsJames:Sowhenyou’reonyourbike,thinkabouttheriskofanaccident!Payattention,stopattheredlightsand…whatelse?Betty:Don’tridetoofast.Daming:Don’tridesidebysidewithyourfriends.MsJames:Anythingelse?All:Don’tlistentomusic!1.Youlookpale.pale表示“苍白的”，形容词。look是感官动词。lookpale看起来苍白e.g.Shehasapaleface.她脸色苍白。2.Acarsuddenlyappearedroundthecorner.appearv.出现；显露roundprep.转到（某物的）另一边e.g.Theboysuddenlyappearedfromunderthebed.小男孩突然从床下钻出来。Hewalkedroundthecornerintothenextstreet.他走过拐角，到了另一条街上。3.Thecarstoppedjustintime,buttheboyfelloffhisbikeandhurthisknee.intime表示“及时”，just强调“刚刚，正好”。表达“及时做某事”可以用intimetodosth.e.g.Ifwedon’thurryup,wewon’tbeintimetocatchthetrain.如果不抓紧时间的话，我们就来不及赶上火车了。fell是fall的过去式。falloff表示“从……跌落”。e.g.Hefelloffthetreeandhurthisleg.他从树上跌落，摔伤了腿。falldown表示“摔倒”。e.g.Youmustwatchyourstepsoasnottofalldown.你必须留心脚下才不会跌下去。5.Payattention,stopattheredlights…payattention表示“注意，留心”。payattentionton./v-ing表示“注意……”。e.g.Youmustpayattentiontoyourstudy.你必须专心学习。Pleasepayattentiontospelling.请注意拼写。6.Don’tridesidebysidewithyourfriends.sidebyside表示“并排的，肩并肩的”。e.g.Theywerewalkingsidebysideinthestreet.他们肩并肩走在街上。•Areyouallright?•That’sverydangerous!•That’stoobad.•Anythingelse?Whenyouareridingabike,thinkabouttheriskofanaccident!•Pay___________andstopatthe___________.•Don’t______toofast.•Don’tride____________withyourfriends.•Don’t______________!attentionredlightsridesidebysidelistentomusicappearattentiongladhitsideAccidentsdonothappenveryoften,I’m(1)_____tosay.However,whenyou’reridingyourbike,pay(2)_________allthetime,especiallyonthecorneroftheroadandattrafficlights.Don’tridesideby(3)_____withyourfriends.Sometimescars(4)_______roundthecorneranddon’tstop.Theymay(5)___you.gladattentionsideappearhitStudentA:You’reapolicemanatanaccidentsceneinthestreet.Askpeoplequestions.StudentB,CandD:Yousawtheaccident.Answerthepoliceman’squestions.A:Whatwereyoudoingwhentheaccidenthappened?B:Whentheaccidenthappened,Iwaswalkingalongthestreet.C:Whentheaccidenthappened,…D:…重点短语：intimefalloffpayattentionsidebyside语法：过去进行时小结一、根据句意及首字母提示，写出相应的单词。1.Shesuddenlynoticedhowp____helooked.2.Twofacesa________atourwindow.aleppeared3.Thedriverwasdrunkandh___threestationary(停着的)cars.4.Wewereallg___tohearyoupassedyourexams.5.Smokingcanincreasether___ofdeveloping