什么情况下宾语从句的引导词 可做宾语从句的主语
1个回答

只有特殊疑问代词what,which,who 引导宾语从句的同时可以做从句的主语.如：

I don't know what should be done.

Can you tell me which is right?

He told me whom had come to the office.

这些宾语从句有时可以转换成疑问词+不定式：

I don't know what to be done.

不过,当疑问代词在宾语从句中作宾语时,都可以转换成"疑问词+不定式“.如：

I don't know whom I should ask.= I don't know whom to ask.

Can you tell me which I should choose?= Can you tell me which to choose?

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