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only after talking with her teacher did she know what to do句

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only after talking with her teacher did she know what to do句子结构详解!
only after talking with her teacher did she know what to do句
成分:
she——主语;
did...know——谓语;
what to do——宾语;
only after talking with her teacher——时间状语从句.
句意:
只有在与老师谈过之后她才知道该做什么.
语法特点:
only位于句首,谓语动词用了部分倒装.即借了一个助动词did提到主语的前面.如果不用倒装(只是如果,事实上,英语这种情况都倒装的),这唏句话就应当这样说:
only after talking with her teacher she knew what to do.
不明白的继续追问哟!
再问: 为什么talking加ing
再答: 纠正一下,only after talking with her teacher不是时间状语从句,而是一个表示时间状语的短语,因为它没有主语和谓语动词。 你问为什么talking加ing,原因是taking不是谓语动词,而是非谓语动词。一个句子只能有一个谓语动词,本句的谓语动词就是后面的know。这个非谓语动词与主语she的关系是主动关系,所以加了ing。(如果是被动关系,就要变成talked了。)