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which as ,在什么情况只能用which,而不能用as呢?

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解决时间 2021-02-22 14:23
  • 提问者网友:我们很暧昧
  • 2021-02-21 21:09
which as ,在什么情况只能用which,而不能用as呢?
最佳答案
  • 五星知识达人网友:持酒劝斜阳
  • 2021-02-21 22:18
这类定语从句只能由 which 或 as 引导。两者之间的区别在于:
1. which 引导的定语从句只能位于主句后,但as引导的从句可位于主句前、中、后。如:
David, as you know, is a photograopher. 戴维是个摄影师,你是知道的。(不可用which)
Li Ming is late, as is often the case. 李明迟到了,这事是经常发生的。(不可用which)
2. as在定语从句中作主语时,从句谓语通常要有be或别的系动词,但which不受此限制。如:
Li Ming was late, which (=and this) made Mr. Zhang very angry. 李明迟到了,这件事使张先生非常生气。(不可用as)
3. as 引导的定语从句只表示一个众所周知或意料之中的事,但 which 不受此限制。如:
He married her, which was unexpected. 他和她结婚了,这是出乎意料的。(不可用as)
4. as有“正如”之意,而which则意为“这(件事,一点)”,可用and this/that/it来代替。
5. as多用于固定搭配中:as is often the case(这是常有的事),as was expected(不出所料),as often happens(正如经常发生的那样),as is known to all(众所周知),as has been said before(如上所述),as is mentioned above(正如上面所提到的)等。
注:which 代表整个句子,还可用于in which case, at which point, on which occasion等。如:
I may have to work late, in which case I’ll telephone you. 我可能得晚点下班,那样我会给你打电话的。

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  • 1楼网友:你哪知我潦倒为你
  • 2021-02-21 22:37
他们都可以引导非限制性定语从句,which解释为这,,而as往往有正如的意思,比如常用的as we all know,等,具体你需要看句子的意思
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