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定语从句常见关系代词as的基本用法

2023-01-20| 发布者: 市北便民网| 查看: 144| 评论: 3|来源:互联网

摘要: 定语从句常见关系代词as的基本用法as引导定语从句,在定语从句中作主语、宾语、表语)(1)如为限制性的,多用...
定语从句常见关系代词as的基本用法
as 引导定语从句, 在定语从句中作主语、宾语、表语)
(1)如为限制性的,多用于the same …as ; the same as(与……相同);such …as …(如此,这样); as many/much as(和……一样多);so/as …as(与……一样)等结构中。如:
I have the same book as you (have). 
我有一本和你的一样的书。
Her attitude to him was quite the same as it had always been.
她对他的态度和以前一样。 (关系代词as和指示代词same连用, 在从句中用作表语, 先行词是same.)
---Why didn't you mention that in face of the police just now?
--- I thought it was such a minor detail as was hardly worth mentioning. 
---你刚才为什么不在警察面前提起那件事呢?
---我认为这是一个微不足道的细节,不值一提。
We will only discuss such problems as have something to do with our own interests.

我们只会讨论与自己利益有关的问题。

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比较:I live in the same house that he used to live in. 我住在他以前住过的那所房子里。
      I'm wearing the same shirt as you wore yesterday. 我穿的衬衫和你昨天穿的一样。
比较:Here is so big a stone as no one can lift. (定语从句)
      Here is so big a stone that no one can lift it.(结果状语从句)
(2)如为非限制性的,as还可以单独引导一个定语从句,代替整个主句,这种定语从句可置于句首,句中或句尾,译为"正如,这一点"。(动词常为know, see, expect, point out, etc.)
As we all know, smoking is harmful to one's health . (as 作宾语)
众所周知,吸烟有害健康。
=As is known to all, smoking is harmful to one's health .(as 作主语)
=It's known to all that smoking is harmful to one's health .
=Smoking is harmful to one's health , as we all know.(as 作宾语)
=Smoking, as we all know, is harmful to one' health.
He was a foreigner, as I knew from his accent.  
我从他的口音知道,他是外国人。(宾语, 先行词是前面整个句子)
众所周知:As we all know,
          As is well-know (to us all)
          It’s well-know (to us all) that…
          What is well-know is that…

语法填空
1.I wish to thank Professor Smith, without ________ help I would never have got this far.
2.Ellen was a painter of birds and of nature, ________, for some reason, had withdrawn from all human society.
3.Care of the soul is a gradual process in ________ even the small details of life should be considered.
4.That evening, ________ I will tell you more about later, I ended up working very late.
5.Nowadays people are more concerned about the environment ________ they live.


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