as 用法詳解


A) 介詞,表示“作為”“當作”“充當”“如同”等。例:

He treats me as his own child. 他把我當作自出的孩子。
As a family doctor, I advise your whole family to eat less greasy food.

B) 另外,它還可表示“當……時候”“例如”。如:

As a child he was sent to five different schools. 他兒時上過5所不同的學校。
I was wearing clothes for dirty works, as when gardening. 我穿著耐髒的衣服,例如栽花種草時所穿的。  



(1) 表示“隨著”,後接句子。如:
As time passed, the situation seemed alleviating.  隨著時間的過去,情況似乎舒緩了。
若其後不接從句,而接名詞,則用介詞 with 表示“隨著” ,不用as。如:
With the development of AI, more and more people are afraid of being substituted by robots. 隨著人工智能的發展,越來越多人害怕被機器人取代。
(2) 表示讓步,意為“雖然”“儘管”,要用於假設口吻(subjunctive mood)(相當於 though,但語氣稍弱)。如:
Boy as he was, he behaves like a girl. 他雖然是個男的,但行為卻像個女孩。
Try as he would, he couldn’t untie the box. 他試過多次了,卻仍解不開那個箱。
(3) 表示時間,意為“當……時候”。如:
He shattered the glass as he stood up. 他站起來時,把杯子摔碎了。
As I was coming here, I met your sister. 我來這裡時碰到了你的妹妹。

D) 用作關係代詞:

(1) 用在 such, same, as 等之後,引出狀語從句。如:
I live in the same area as John does. 我和約翰住在同地方。
He’s not such a fool as he looks. 他並不像看上去的那樣愚蠢。
He smokes as expensive as he can afford. 他抽一種買得起的最貴的煙。
(2) 單獨用作關係代詞,引出狀語從句。如:
As was expected, he succeeded at last. 正如我們所料,他終於成功了。
I had coffee after lunch, as is my usual practice. 我午飯後喝咖啡,這是我的習慣。
Frankie, as might be expected, was attending the convention. 笵奇在參加會議,這是可以預料到的。


阿土英語教室Tomato 老師



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