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    (二)分词的时态 现在分词分一般式和完成式.而过去分词则没有时态形式的变化. 现在分词的一般式表示动作与谓语动词同时发生.或在谓语动词之前发生.例如: Knowing his uncle would come, he began to make some preparations. 现在分词的完成时.表示的动作发生在谓语动词表示的动作之前.常用作状语.例如: Having finished his homework, he went to bed. 【查看更多】

     

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