二、AS引导非限制性定语从句
AS引导非限制性定语从句时,通常指的不是主句中的某一个名词(先行词),而是指整个主句表达的内容,对主句所作的陈述进行附加说明,意为“这...,如...或正如...。这种从句可位于主句之前,之中或之后。
As we all know,Taiwan belongs to China.
Taiwan,as we all know, belongs to China.
Taiwan belongs to China,as we all know.
注意下面的习惯用法:
as is well discussed 正如已讨论过的
as is often said 正如通常所说
as is often the case 通常就是这样
as has been pointed 正如所指出的那样
as has been said before 如上所述
as often happens 如同经常所发生的那样
as might be expected正如所料
as is well known to all众所周知
在多数情况下,从句中的谓语助动词可以省略
as explained before 如前面所解释的
as mentioned above 如前面所提到的
as shown in the figure 如图所示
as seen from the table 从表中可以看出
as already discussed 正如已讨论过的
【高考英语语法必备:关系代词as的用法】相关文章:
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