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人教版新目标初中英语八年级下册第三单元第一课时WhatwereyoudoingwhentheUFOarrived?蛟河市天北镇九年制学校张秀丽dance10:10nowSheisdancingat10:10now.What’shedoingat7:30now?Heiscookingamealinthekitchennow.inthekitchenWhat’shedoinginthekitchenat7:00pmnow?cookamealWhat’shedoingat9:00now?playbasketballat9:00nowHeisplayingbasketballat9:00now.Whatwashe/shedoingatthattime?Whatwasshedoingat10:10yesterdayinherbedroom?bedroomShewasreadinganewspaperat7:30yesterday.inthebarber’schairWhatwashedoingat7:00pm?Hewastalkingonthephone.Wherewasheat7:00pmyesterday?Hewasinthebarber’schair.Whatwashedoing?Hewascuttinghair.inthebathroomWhatweretheydoingat9:00yesterday?Theywerebathingat9:00yesterday.Whereweretheyyesterday?Theywereinthebathroom.现在进行时含义：表示现在正在进行的动作或状态。结构：be(am/is/are)+doing例句：IamhavinganEnglishclass.Wearelisteningtoyou.过去进行时含义：表示过去某个时刻或某段时间正在进行的动作,这特定时间除有上下文暗示外,一般用时间状语表示。结构：be(was/were)+doing例句：Whatwereyoudoingatninelastnight?IwaswatghingTVatninelastnight.Doyouknowit?UFO(unidentifiedflyingobject)Whodrivesit?aliensridingabikewhatwastheboydoingwhentheUFOlanded?Hewasridinghisbikewhenitlanded.Whilehewasridinghisbike,itlanded.TargetLanguage:when“当…..时候”后面跟结束性动词,常跟一般过去时TheboywastakingphotoswhentheUFOtookoff.while“当…..时候”后面跟延续性动词,常跟过去进行时Whiletheboywastakingphotos,theUFOtookoff.when和while引导时间状语从句的用法Let’slisten!Workon2aand2bonPage19•He(sleep)latewhenitarrived.•I(watch)TVat9:00yesterday.•Thegirls(shop)whenherfriend(see)her•Whilehe(cook)dinner,hisfriend(get)outoftheshower.•4.HesawtheUFOwhilehe(walk)downthestreet.Comeon!Youcandoit.wassleepingwaswatchingwereshoppingsawwascookinggotwaswalkingOralworkTalkaboutthepeopleinactivity2aWrittenworkWritedownfivesentenceswithwhenandwhileaboutyourtimetable