外研版八年级上册M8Unit.ppt

过去进行时还可以和when,while,as引导的过去时间状语从句连用，形成复合句。1e.g.Whilethelightswerechangingtored,acarsuddenlyappearedroundthecorner.正当交通信号灯要变成红灯的时候，一辆小轿车突然从拐角处驶出来。2Oneday,whenHenrywasworkinginarestaurant,asnakesuddenlyappeared.一天，当亨利正在餐馆里工作时，一条蛇突然钻了出来。Iwastryingtopickitupwhenitbitmeagain.我正试图捡起（那条蛇），突然它又咬了我一口。Asthedoctorswerecheckinghim,thepaingotworse.医生给他做检查时，疼痛加剧了。when，while，as都可以引导时间状语从句，但用法区别非常大。when可以和延续性动词连用，也可以和短暂性动词连用；而while和as只能和延续性动词连用。e.g.Theyarrivedwhilewewerehavingdinner.=Theyarrivedwhenwewerehavingdinner.我们吃饭的时候他们到了。0102Module8Unit1Whilethelightswerechangingtored,acarsuddenlyappeared.1Theboy__________basketballyesterday.2played3Lead-in4Lookatthepictureandfillintheblank.They____________basketballat4p.m.yesterday.wereplayingThey____abirthdaypartylastnight.hadThey___________abirthdaypartyatninelastnight.werehaving比一比，看谁能快速说出下面的单词。paleappearroundcornerhitgladriskattentionsidepayattention注意；留心intime及时比一比，看谁能快速说出下面短语的含义并排地；肩并肩地sidebyside从……跌落falloffLookatthepictureandsaywhatshappening.Usethewordsfromtheboxtohelpyou.accidentdriverhappenmobilephonepolicemanroadThedriverwas/wasnotgoingfast.Thedriverwas/wasnotlooking.Thedriverwas/wasnottalkingonhismobilephone.Listenandunderlinethecorrectwords.Whosawtheaccident?2.Didthecarstopjustintime?MsJames.Yes,itdid.Readthedialogueandanswerthequestions.1.Whatwastheboydoingwhenhewasridinghisbike?Hewaslisteningtomusic.2.Whendidacarsuddenlyappearroundthecorner?Whilethelightswerechangingtored.3.Didtheboyfalloffhisbike?Yes,hedid.Whenyouareridingabike,thinkabouttheriskofanaccident!Pay___________andstopatthe___________.Don’t______toofast.Don’tride____________withyourfriends.Don’t_____