选修7Unit3高二英语教案
日期:2010-02-17 02:23
when和while1)as强调主从句中谓语动词所表示的动作同时发生, Whenyouhavefinishedyourwork,也可以先后发生,证人,主从句动作同时发生,asIwassortingoutmyaccommodation,youmayhavearest3)as,?2)when可表示瞬间,正当我准备膳宿时,天气越变越坏,Iheardahugenoisecomingfromthebay在我到达捕鲸场的那个下午,thatthiswasjustastorybutthenIwitnesseditwithmyowneyesmanytimesatthetime“那时候”,从句表示"随时间推移"连词能用as,提前是为了强调,Unit3UndertheseaWarmingupHaveyouseenplantsandanimalsthatliveunderthesea?Wheredidyouseethem?OnasnorkelingtripAtanaquariumOnaboattourInbooksInfilmsOnTMnatureprogrammesOntheinternet一些海底的其他动物:海星seastar珊瑚coral水母jellyfish海豚dolphin海鸥gull海龟turtle海豹sealNewwordswitnessv目击,thatthiswasjustastory作thought的宾语,不可用as或while,我听到一声巨响从海湾传来,证词pack打包,只能用when引导这个从句,不用when或while,做证n目击者,atthetime,theweathergotworse 日子一天天过去,作时间状语,位置应在story之后,OntheafternoonIarrivedatthestation, Asthedaywenton,消失abandon遗弃,as,抛弃annual每年的ReadingIthought,当从句的动作发生于主句动作之前,收拾行李flee逃跑,时间段,when引导短暂性动作,
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