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好吧问答库 > 为什么说to do 一定是非谓语动词,而动词后面加ing, 动词后面加了ed不一定是？

为什么说to do 一定是非谓语动词,而动词后面加ing, 动词后面加了ed不一定是？

2025年04月07日 15:07

有1个网友回答

网友（1）：

谓语是包含动词时态的，而to do属于不定式，不算是哪种时态里的。
举个例子：I walked there.walked就是这个句子的谓语
I'm doing housework.这句话的am doing共同构成句子的谓语。

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