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1. 英语疑问代词有who, whom, whose, what和which。它们用于构成特殊疑问句,在句中作主语、表语、宾语和定语,如:
Which is the right road to the railway
station?
Whose are those books?
To whom shall we send this box?
2.疑问代词作主语时,后面动词的单复数形式取决于这些代词所代表的人或物是单数还是复数。如果不清楚所代表的东西是单数还是复数,则动词多用单数形式,如:
Who lives (live) in this room?
3. 当which和what用于就人或物提问时,which一般用于有一定选择范围的情况,what则用于无选择范围或究竟是什么还不清楚的地方,如:
Which color do you like, green,
red or yellow?
What writers do you like best?
4. which, what, who和whom后可加ever来加重语气,如:
Whatever do you want?
whoever gave you this book?
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