疑问代词:用来提出问题的代词称为疑问代词。
1、who、whom、whose、what、which、whoever、whatever、whichever主要用于特殊疑问句中,一般放在句首。口语中也常用 who代替whom作宾语,但在介词后则只能用whom。
如:Who(m) did you invite to your birthday party? (你都邀请了谁参加你的生日聚会的?)
What does she want to be when she grows up? (她长大了想干什么?)
2、who 和whom只能独立使用,其中who可以作句子的主语、表语或动词的宾语,whom只能作谓语动词的宾语;而what、which、 whose等既可以独立使用作主语、表语和宾语,也可以与名词构成疑问短语。
如:Who is that man? (那男的是谁?)
What colour are their hats? (他们的帽子是什么颜色?)
Which car was made in Germany? (哪辆车是德国造的?)(被动句)
注意这个提问:The man in the car is my father. (车里的男人是我父亲。)
→Which man is your father? (哪个男人是你的父亲?)
3、which除了可以询问指代的情况之外,还可以针对说明人物的时间、地点、岁数、颜色、大小、状况等进行提问。
如:People there live a very sad life. (那里的人生活凄惨)
→Which people live a sad life? (哪些人生活凄惨?)
--Which hotel have you booked for your holiday? (为了度假你预订了哪家旅馆?)
→The biggest one in ShenZhen. (深圳最大的那家旅馆)
4、疑问代词不分单复数,视它所替代的人或事物决定单复数,但是通常用单数;如果修饰名词,则以名词的单复数为准。
如:Who is (are) in that playhouse? (谁在游戏房里?)
What is that? (那是什么?)
What are those? (那些是什么?)
What colors do they have? (它们有哪些颜色?)
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