Jack hurt his back playing volleyball.为什么用palying?什么语法?

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/07/03 03:22:36

playing是分词做状语,逻辑主语是Jack,跟Jack是主动关系,所以用现在分词形式.
可以看做是伴随状语.
打排球的时候,伤了后背.
再问：为什么要+ing？
再答：因为非谓语动词的形式才能做状语啊，所以要用playing这个现在分词形式，表示主动。
再问：哦，你是说状语不能直接用动词，要用动名词？
再答：状语要用非谓语动词。 doing这个形式，既可以是动名词，也可以是现在分词。长得一样，但是其实用法不同。动名词是充当名词的，不能做状语。现在分词可做状语
再答：状语要用非谓语动词。 doing这个形式，既可以是动名词，也可以是现在分词。长得一样，但是其实用法不同。动名词是充当名词的，不能做状语。现在分词可做状语

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