2020-2021学年新教材高中英语Unit4Stageandscreen突破语法大冲关教案外研版必修第二册
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2020-12-29 19:11:25
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-1-Unit4StageandscreenUnit4Stageandscreen动词ing形式作状语一、动词ing的具体形式[观察例句]①Theysatintheclassroom,readingreadingthebooksborrowedfromthelibrary.②Istoodtheremotionless,notknownotknowingingwhattodo.③HavingsucceededHavingsucceededinthetest,hebecamemoreconfident.④NothavingfinishedNothavingfinishedhishomework,theboywasstilldoingitintheclassroom.⑤HavingbeentoldHavingbeentoldseveraltimes,hestillcouldn'tunderstandhowtooperatethemachine.[归纳用法](1)动词ing(以do为例)从形式上可分为一般式(doing)与完成式(havingdone),其被动式分别为beingdone与havingbeendone。(2)动词ing形式的一般式作状语,表示的动作与谓语动词所表示的动作同时或相继发生,其否定式为notdoing。(3)动词ing形式的完成式作状语,表示的动作发生在谓语动词所表示的动作之前。其否定式为nothavingbeendone。[即学即练1]完成句子①由于我已经完成了所有的工作,我就坐下来休息一会儿。Havingfinishedallmyhomework,Isatdowntohavearest.②这个男孩坐在门口,等着他妈妈回来。Theboysatbythedoor,waitingforhismothertoreturn.③没有被邀请,她感到非常不愉快。Nothavingbeeninvited,shefeltveryunhappy.二、动词ing形式作状语的具体情况11.时间状语[观察例句]①WalkingWalkinginthepark,shecameacrossanoldfriend.②Youshouldnevertakeachancewhiledrivingwhiledrivingacar.[归纳用法]动词ing形式作时间状语时,相
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