[高中]全新语法:疑问代词的用法
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    三、疑问代词的用法

    1.who(主格)谁,whom(宾格)谁,whose(所有格)谁的

    Who is going to speak to us tomorrow? 明天谁给我们讲话?(who作主语)

    Whom are you talking about? 你们在说谁?(whom作宾语)

    Whose car is this? 这是谁的车?(whose作定语)

    【比较】

    ①Who is he? 他是谁?(who 指姓名、关系等)

    ②What is he? 他是干什么的?(what 指职业)

    2.which哪一个,what什么

    (1)which的选择范围较小或比较明确。

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

    Which one do you like best? 你更喜欢哪一个?(which作定语)

    Which of these two dresses do you prefer? 这两条裙子你喜欢哪一条? (which作宾语)

    (2)what的选择范围较大或不明确。

    What book you are going to buy is not important.你将要买什么书并不重要。

    What writers do you like? 你喜欢哪些作家?

    3.疑问代词在句中表达是单/复数概念,应根据语境确定

    Who is he? (单数)

    Who are they? (复数)

    Which is your father? (单数)

    Which are your brothers? (复数)

    4.“疑问代词+to do” 不定式短语

    I don’t know which to choose.我不知道选哪个。

    I wonder what to do this weekend.我不知道这个周末干啥。

    He could not tell whom to trust.他无法判断可以信任谁。

    5.用于固定句式中

    What/how about ...? 你认为……怎样?

    what ...for?=for what ...? 为什么(相当于why)?

    What is sb.like? 某人的“品行、性格、状况”怎样?

    What does sb.look like? 某人的“长相”怎样?

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