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疑问代词概说

"疑问代词有who(谁，主格)，whom(谁，宾格)，whose(谁的，所有格)，what(什么)和which(哪个，哪些)等。

疑问代词用于特殊疑问句中

疑问代词一般都放在句首，并在句中作为某一句子成分。如：

Who is going to speak to us tomorrow?明天谁来跟我们讲话?(who作主语)

Who told you so?是谁告诉你的?(who作主语)

Whom are you talking about ?你们在说谁?(whom作宾语，但在句首时口语常用who代替whom)

Whose umbrella is this ?这是谁的伞?(whose作定语)

What is that? 那是什么?(what作表语)

What did he say?他说什么?(what作宾语)

Which is yours，the blue pen or the redone?蓝笔和红笔哪一支是你的?(which作主语)