they are all doing sth... 这个all是修饰动词还是名词?

they are all doing sth 这结构的all是副词还是代词? 它修饰they还是doing?

它跟 all of them are doing是一个意思吗?

如题
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1 个回答

They are all doing sth. 这里all不定代词作主语的同位语。它跟 all of them are doing. 这里all为不定代词作主语。二句意义相同,但结构不同。
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