2017小升初英語語法定語從句知識點:as的用法

字號:

小升初英語語法定語從句知識點:as的用法
    1. 用于引導限制性定語從句,主要與such, as, the same連用,其意為“像 ……的”“凡是……的”“……一類的人 (物)”。如:
    He’s not such a fool as he looks.
    他并不像看上去的那樣愚蠢。
    He is not such a man as would leave his work half done.
    他并不是一個做事半途而廢的人。
    You must show my wife the same respect as you show me.
    你必須對我妻子表現(xiàn)出與對我同樣的敬重。
    He smokes as expensive a cigarette as he can afford.
    他抽一種他買得起的最貴的煙。
    2. 用于引導非限制性定語從句,根據(jù)情況可位于主句之前或之后,有時也可插在主句中間,其 意為“這件事”“這一點”。如:
    He is late, as is often the case.
    他遲到了,這是經(jīng)常的事。
    As is usual with children, they soon got tired.
    孩子們一貫如此, 他們很快就厭倦了。
    David, as you know, has not been well lately.
    大衛(wèi)最近身體不太好,這你是知道的。