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名词性从句中which和what的特殊用法

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  一、失去疑问意义的限定词which引导名词性从句
  which作为连接代词,用来引出一个名词性从句,并且通常保留其疑问意义。
  I wanted to know which school it was you went to. 我想知道你上的是哪所学校。(which引导宾语从句,有限定词的作用,含有疑问意义)
  但是,作为连接词,which引导的名词性从句也有失去其疑问意义的情况,此时的which后面跟一个名词。它此时除了具有引导词和限定词的功能,还隐含了关系代词的作用,在结构上该which可以替换为the/any ... that,在意义上,表示“……的那一个/种”。
  You may have which apple you like. 你可以随意挑选自己喜欢的苹果。
  You may borrow which book you like. 你喜欢的书只管借。
  Try which colour you prefer. 随便试试你喜欢的颜色。
  这种具有关系代词性质的限定词which的强势说法是whichever,同样表示“……的那一个/种”的意义,用以明确指出多种可能中符合条件的那个。
  We’ll eat at whichever restaurant has a free table. 哪个饭馆有空桌我们就在哪儿吃吧。
  I’ll use whichever remedy the vet recommends. 我将用兽医推荐的那一种疗法。
  Customers will choose whichever product is cheaper. 顾客总会选择较便宜的那种产品。
  二、失去疑问意义的限定词what引导名词性从句
  what作为连接代词,用来引出一个名词性从句,有时不表示疑问意义。
  What she does possess is the ability to get straight to the core of a problem. 她具备直接抓住问题核心的能力。
  He drinks what is left in his glass as if it were water. 他把杯子里剩下的东西像水一样地全喝掉了。
  上面两个句子中的what均无“什么”这一疑问含义,而是表示“……的事物或情况”,在语法上可以替换为以that which或the thing(s) that为代表的“名词先行词+关系代词”这一结构。
  有时这种失去疑问意义的what在引出名词性从句的同时,还可以起限定词的作用,后面跟一名词。相当于all the ...that,as many / much ... as,通常翻译为“所有的”“尽可能多的”。
  I gave them what books I had. 我把仅有的书全都给了他们。
  I will give you what paper I don’t use. 我会把不用的纸全给你的。
  失去疑问意义的限定词what表示一种数量关系,在引导名词性从句时,只能接可数名词复数或不可数名词。如果要突出“少而全部”的概念,在what与其后名词之间可以加上明确数量关系的little / few。
  I spent what little time I had with my family. 我与家人共度的时间太少了。
  What few friends I have here have been very kind to me. 我这里仅有的朋友对我都非常照顾。
  这种具有关系代词性质的限定词what的强势说法是whatever,相当于any ... that,可译成“所有/全部/凡是/任何……的”,可接名词的多种形式。
  Whatever orders the general gives must be obeyed. 将军的所有命令都必须服从。
  Goats eat whatever food they can find. 山羊找到什么就吃什么。
  (责任编校?筑周丹)
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