A as(=when/while)的用法的限制

　　這里as主要與表示動作或發(fā)展過程的動詞連用，一般情況下它不與第168節(jié)中所列的動詞連用，除如上面B3所示有發(fā)展之意時例外。在一般情況下它也不與live，stay，remain這類動詞連用。

　　B as與上述動詞或同類動詞連用時，一般均表示because/since (由于)：

　　As he was tired相當(dāng)于：

　　Because he was tired...

　　因為他太累了

　　As he knew her well相當(dāng)于：

　　Because he knew her well

　　因為他了解她

　　As it contains alcohd...相當(dāng)于：

　　Since/Because it contains alcohol

　　因為它含有酒精

　　As he lives near here相當(dāng)于：

　　Since/Because he lives

　　因為他住的地方離這兒很近

　　C as與多數(shù)動詞連用時，可以是兩種意思中的任一個意思：

　　As/While he shaved he thought about the coming interview.

　　他邊刮胡子，邊想著即將進行的面談。

　　As/Because he shaved with a blunt razor he didnt make a very good job of it.

　　因為他用一把鈍剃須刀刮胡子，所以刮得不好。

　　如果在這個問題上沒有把握，最好用while或because。

　　D as+名詞時意為when/while(當(dāng)時)或because/since(由于)：

　　As a student he had known great poverty.相當(dāng)于：

　　When he was a student he had known great poverty.

　　他當(dāng)學(xué)生時，經(jīng)歷過很貧困的生活。

　　As a student he gets/got in for half price.相當(dāng)于：

　　Because he is/was a student be gets/got in...

　　由于是學(xué)生，他付半價就入場了。

　　As a married man，he has to think of his family.相當(dāng)于：

　　Because/Since he is a married man...

　　作為一個有婦之夫，他必須考慮他的家庭。

　　as在這里意為 when/while時，后面常跟完成時態(tài)。

　　as意為because/since時，后面可跟任一時態(tài)。

　　A as(=when/while)的用法的限制

　　這里as主要與表示動作或發(fā)展過程的動詞連用，一般情況下它不與第168節(jié)中所列的動詞連用，除如上面B3所示有發(fā)展之意時例外。在一般情況下它也不與live，stay，remain這類動詞連用。

　　B as與上述動詞或同類動詞連用時，一般均表示because/since (由于)：

　　As he was tired相當(dāng)于：

　　Because he was tired...

　　因為他太累了

　　As he knew her well相當(dāng)于：

　　Because he knew her well

　　因為他了解她

　　As it contains alcohd...相當(dāng)于：

　　Since/Because it contains alcohol

　　因為它含有酒精

　　As he lives near here相當(dāng)于：

　　Since/Because he lives

　　因為他住的地方離這兒很近

　　C as與多數(shù)動詞連用時，可以是兩種意思中的任一個意思：

　　As/While he shaved he thought about the coming interview.

　　他邊刮胡子，邊想著即將進行的面談。

　　As/Because he shaved with a blunt razor he didnt make a very good job of it.

　　因為他用一把鈍剃須刀刮胡子，所以刮得不好。

　　如果在這個問題上沒有把握，最好用while或because。

　　D as+名詞時意為when/while(當(dāng)時)或because/since(由于)：

　　As a student he had known great poverty.相當(dāng)于：

　　When he was a student he had known great poverty.

　　他當(dāng)學(xué)生時，經(jīng)歷過很貧困的生活。

　　As a student he gets/got in for half price.相當(dāng)于：

　　Because he is/was a student be gets/got in...

　　由于是學(xué)生，他付半價就入場了。

　　As a married man，he has to think of his family.相當(dāng)于：

　　Because/Since he is a married man...

　　作為一個有婦之夫，他必須考慮他的家庭。

　　as在這里意為 when/while時，后面常跟完成時態(tài)。

　　as意為because/since時，后面可跟任一時態(tài)。