外研版高中英语必修1Module1：《My First Day at Senior High grammar》ppt课件（3）

Module1MyFirstDayatSeniorHighgrammar,WhenYangwasorbitinginthecapsule,hetookphotographsofplanetearth.WhenYanglanded,PremierWenJiabaotelephonedtheControlCentretoofferhiscongratulations.Whilehewastravellinginspace,YangspoketotwoastronautsaboardtheInternationalSpaceStation.,AdverbialclauseoftimeAdverbialclauseoftime时间状语从句,独立观察句子●小组总结讨论用法注意主从句的谓语动词【探究与质疑】,如果主句表示的是短暂动作，而从句用延续性动词的进行时态表示在一段时间内正在进行的动作时，when，while，as可互换使用。When/While/AsIwaswalkingdownthestreet,Icameacrossanoldfriendofmine.,新知运用：1.as(随着)2.when（get为非延续性动词）3.when/while(cook为延续性动词)4.When/While(speak为延续性动词),独立观察句子●小组总结讨论用法注意整个句子的意思【探究与质疑】,新知运用：1.when（beabouttodosth…when…）2.JuliaisplayingintheyardwhileJudyisdoingherhomeworkinherbedroom.3.IwaswatchingTVwhenmybestfriendLilycametovisitme.4.wasstudying5.While(虽然，尽管),【当堂检测】1.选择题：（独立完成）1).Wewereswimminginthelake______suddenlythestormstarted.A.whenB.whileC.as2)._______thedayswenton,theweathergotworse.A.WhenB.WhileC.As3)._______thegrandpalovesthechildren,heisstrictwiththem.A.WhenB.WhileC.As4).Ihadjuststeppedoutofthebathroomandwasbusilydryingmyselfwithatowel______Iheardthesteps.A.whenB.whileC.as,2.Activity3onpage91.1)WhileYangwastravellinginspace,hetalkedtoanastronaut.2)WhentheSecretaryGeneraloftheUnitedNationsspokeinNewYork,hegaveanimportantmessage.3)Whilehewasworkingasajournalist,hevisitedmanycountries.4)WhenshemetYang,sheaskedhimforautograph.,1.Activity1&2onpage91.2.跟踪训练P.61Homework