摘要：-ing形式与动词不定式在句中作状语的区别.-ing形式在句作状语表示时间.原因.方式或伴随情况.而动词不定式一般式在句中作状语时.一般是作目的或结果状语.如:Not receiving his letter, I wrote to him again./ I looked into the window to see what was going on inside. 非谓语动词(三)--过去分词 (三)过去分词:

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