As 用法知多少有这样两个句子:①...we don't always do as we say... ②Steve says as he takes us on a tour ...让我们由这两个句子出发概括一下 as 的词性和常见用法。as 有以下用法:(1) 作副词用,"同样地"The horse is getting old and can't run as fast as it did.这匹马老了,没有以前跑得快了。(2) 连词,"像……一样";当……的时候;由于,因为"① 引导方式状语从句Study as Lenin studied. 象列宁那样学习。② 引导定语从句,指代整个从句的内容或从句的某一部分;与 the same 或 such 连用。China is a developing country, as we all know. 中国是个发展中国家,这一点我们大家都知道。③ 引导让步状语从句(用倒装语序):Clever as he is, he doesn't study well. 他尽管聪明,但还是没学好。④ 引导时间状语从句。译作"当……的时候"。 As the day went on, the weather got worse. 随着白昼的推移,天气变得更坏了。Mother was worried because little Alice was ill, especially as Father was away in France.因为小爱丽丝病了,且父亲又远在法国,母亲很着急。⑤ 因为,由于 We had better hurry as it is getting dark. 我们最好快点儿,因为天渐渐黑下来了。(3) 介词,"作为","当作"The old peasant regarded us as his own sons and daughters.那老农把我们当作他的亲儿女看待。He was famous as a soldier. 他作为一名军人很有名气。课文中 We don't always do as we say 中 as 是连词,引导方式状语,"象……一样"。Steve says as he takes us on a tour ...句中 as 也是 连词,引导时间状语,"当……的时候"。
