as引導定語從句的用法

來源:文萃谷 7.45K

as在定語從句中是十分常見的,那麼as引導定語從句的用法又是什麼呢?

as引導定語從句的用法

as作關係代詞時,引導定語從句在從句中充當主語、賓語、介詞賓語或表語,既可以指人,也可以指物。

(1)as引導定語從句時,有如下結構:“the same …as”,“such …as”, “as…as”“so many (much, few, little)…as”,譯作“像……一樣的人(或物)”。例如:

This is such an easy novel as you can read.

這本小説很容易,你能讀得懂。

They have never read so many books as I read last year.

他們從來都沒有讀過像我去年讀過的那些書。

(2)as單獨引導定語從句時,修飾整個主句或主句中的一部分,可以放在句首、句中或句末。

當as在從句中作主語時,從句的謂語通常是被動語態或系表結構;as在從句中作賓語時,從句的'謂語常用“情態動詞+動詞原形”構成。常見的結構如下:

as is known to all 眾所周知

as has been said above 如上所述

as was expected 正如預料的那樣

as has been pointed out 正如指出的那樣

as we all can see (know, hear)正如大家看到的(知道的、聽到的)那樣。例如:

As is known to everybody, the moon travels round the earth once every month.

眾所周知,月球每個月繞地球轉一週。

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