I don't know who is his dad.I don't know who he is.这两句的who为什

I don't know who is his dad.I don't know who he is.这两句的who为什么第一句就做主语了?
什么情况下who是做主语的?

shaoyc 1年前已收到3个回答举报

共回答了23个问题采纳率：87% 举报

你可以分开看,把I don't know先放一边,who is his dad看做一个句子,这里面who可以任意换人名比如,John,dave等等,这样就知道who是主语了吧.
第二句一样把who he is拿出来,我们一般都是说he is john/dave.这里john/dave也是替换who,所以who做了表语或宾语
懂了吗?不懂再问

1年前

dearqiu0717 幼苗

共回答了22个问题采纳率：90.9% 举报

第一句，把I don't know 遮起来，就变成who is his dad，who是主语。第一句是名词性从句中的主语从句。第二句是宾语从句

1年前

flyingdog0713 幼苗

共回答了7个问题举报

前一句中有 who is his dad，这里边is是谓语动词，翻译是谁是他的父亲，谁是作为主语的；后一句中who he is，其实可以理解成翻译 he is who，即他是谁，这里头就是他做主语了，谓语动词前是主语，但首先应理解句子的意思，这样容易分析主语和宾语...

1年前

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