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定语从句之专题三:as引导定语从句(系统讲解内在原理) | |||||||||||
作者:高 伟 文章来源:本站原创 点击数: 更新时间:2017-07-20 |
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(2)which作宾语时,有时可以替换为as。试对比: ●He is from the south, which we can know from his accent.(不能插入it) ●He is from the south, as we can know (it) from his accent.(有无it都可以) (3)which作表语时,有时可以替换为as。试对比: ●He seemed a foreigner, which in fact he was.(不能插入a foreigner) ●He seemed a foreigner, as in fact he was (a foreigner).(有无a foreigner都可以。因为,在状语从句中,承前省略了a foreigner。) 总之,as是连词,which是代词,两者截然不同。二者能换用的情况,纯属巧合,并不能说明它们词性相同。打个比方,一个马群和一个牛群,偶尔在同一地方吃草,但是,马还是马牛还是牛。 3.常见的as引导评述性状语从句。见下表,
注:关于状语从句中的省略,可以参看本章第七节以及第十二章。 4. 注意as/it/what的区别。如, (what引导主语从句,that引导表语从句) ●It is known to us all that (it作形式主语,真实主语是后边的that从句) ●As is known to us all, (as引导评述性状语从句) 上一页 [1] [2] [3] [4] [5] [6] [7] 下一页 引用地址: |
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