doing exercise can make him relaxed可不可以是do exercise can make him relaxed?
为什么“doing exercise can make him relaxed”中的doing exercise要用doing呢?
人气：290 ℃ 时间：2020-06-03 17:43:34
解答
这是动名词做主语,所以用的doing.
不能改成do,如果是do的话,句子就有两个谓语动词了,一个是do,一个是make.一套句子结构只能有一个谓语动词.
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