which, what与who的用法区别

which, whatwho的用法区别
 
1. which what 均可与名词连用,表示对人或物提出疑问( who 不能这样用)。一般说来,当选择范围较小或比较明确时,用which 当选择范围较或不明确时用what。如:
Which is bigger, the sun or the earth? 太阳和地球哪个大?
What writers do you like? 你喜欢哪些作家?
注意,以上区别只是一般原则,并不绝对。如也可说:
Which writers do you like? 你喜欢哪些作家?
Which [What] will it betea or coffee? 这会是什么──茶还是咖啡?
2. which, what, who 均可用作代词(即其后不跟名词)。关于 which what的和法区别跟上面的分析相似。这里只谈谈 who 的用法:who 一般只用来指人,不管选择范围大还是小,明确还是不明确均可用(当选择范围比较明确且用作宾语时 who 也可用或 which which one 代之)。如:
Who wonTom or Mike? 谁赢了─汤姆还是迈克?
Who is your favourite poet? 你最喜欢的诗人是谁?
Who [Which, Which one] do you like bestyour father or your mother?你更喜欢谁──父亲还母亲?
3. 正由于 what who 的选择范围可以很大或不明确,所以其后可以跟else,但一般不跟表示特定范围的 of 短语;which 的选择范围相对比较小或明确,所以其后一般不接else,但却常 of 与短语连用。如:
Who [What] else did you see there? 你在那儿还看到了别人的什么人 什么东西?
Which of the three girls is the oldest? 这三个女孩中哪个年纪最大?
不过,以上说的也是一般情况,有时也有例外,如有时也说:
Who of you three first thought of this? 们三人中谁最先想到这一点?

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