編者按：為廣大考生朋友整理了英語(yǔ)語(yǔ)法：復(fù)合句中as的巧用，希望對(duì)考生復(fù)習(xí)有一定的幫助，同學(xué)一起來(lái)學(xué)習(xí)吧!

as的用法靈活，詞義繁多，特別是在復(fù)合句中更能體現(xiàn)其用法的多樣性和靈活性，但如果同學(xué)們能正確掌握as的詞性和詞義，是不難掌握其用法的。

一、as用作關(guān)系代詞引導(dǎo)定語(yǔ)從句

1. as 引導(dǎo)非限制性定語(yǔ)從句，一般不指代某個(gè)具體的名詞或代詞，而是代表整個(gè)主句或主句的一部分。這種從句可放在主句之前，也可以放在主句之后，有時(shí)還可以放在主句的中間。如：

As is reported in the newspapers, talks between the two countries are making progress. 正如在報(bào)紙上所報(bào)道的，兩國(guó)間的談判有所進(jìn)展。

Grammar is not a set of dead rules, as has been said above. 如上所說(shuō)，語(yǔ)法不是一套死條文。

Spiders are not insects, as many people think, nor even nearly related to them. 蜘蛛不是昆蟲(chóng)，盡管許多人都這樣認(rèn)為，它甚至與昆蟲(chóng)幾乎沒(méi)有聯(lián)系。

2. as 引導(dǎo)限制性定語(yǔ)從句，主要用于the same…as（與……相同），such…as（像……一樣），as…as（與……一樣）。如：

She knew he felt just the same as she did. 她知道他的感受和她一樣。

Such a man with a good temper as Mr. Li is is easy to get along with. 像李先生這樣好脾氣的人是容易相處的。

He smokes as expensive a cigarette as he can afford. 他抽一種他買得起的最貴的煙。

二、as作為從屬連詞引導(dǎo)時(shí)間狀語(yǔ)從句

表示“當(dāng)……的時(shí)候”或“一邊……一邊”，強(qiáng)調(diào)主句的動(dòng)作和從句的動(dòng)作同時(shí)發(fā)生。如：

I saw him as he was getting off the bus. 當(dāng)他下公共汽車的時(shí)候我看見(jiàn)了他。

The boy was singing a popular song as he was bicycling. 這男孩邊騎車邊唱歌。

As she grew older, she became less active. 當(dāng)她長(zhǎng)大一點(diǎn)的時(shí)候，就變得不那么活潑了。


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