A as(=when/while)的用法的限制
这里as主要与表示动作或发展过程的动词连用,一般情况下它不与第168节中所列的动词连用,除如上面B3所示有发展之意时例外。在一般情况下它也不与live,stay,remain这类动词连用。
B as与上述动词或同类动词连用时,一般均表示because/since (由于):
As he was tired相当于:
Because he was tired...
因为他太累了
As he knew her well相当于:
Because he knew her well
因为他了解她
As it contains alcohd...相当于:
Since/Because it contains alcohol
因为它含有酒精
As he lives near here相当于:
Since/Because he lives
因为他住的地方离这儿很近
C as与多数动词连用时,可以是两种意思中的任一个意思:
As/While he shaved he thought about the coming interview.
他边刮胡子,边想着即将进行的面谈。
As/Because he shaved with a blunt razor he didnt make a very good job of it.
因为他用一把钝剃须刀刮胡子,所以刮得不好。
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2016-02-29
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