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as词性多,词义广,用法灵活,现将其用法归纳如下: I. as作副词, 表示程度, 意为“同样地”。“as…as…”,表示“和/与……一样”,是同级比较,其中第一个as是副词;否定句中常用“not so…as…”,表示“和/与……不一样”。如: Jack is as tall as his father.杰克和他的父亲一样高。 He doesn’t speak English so/ as fluently as you. 他的英语说得不如你流利。 II. as作介词。 ①如,像 They got united as one man. 他们团结得像一个人一样。 She spoke of me as her dearest friend。 她谈起我犹如我是她最亲密的朋友。 ②充当,作为 As a writer, he was famous.作为作家,他是很有名的。 English is spoken as the first language by most people in Australia. 在澳大利亚,大多数人把英语作为第一语言。 ③当某人是(某身份)时 As a child (=When he was a child),he lived in the countryside.他小时候住在农村。 III. as作连词, 常用来引导状语从句 ①引导时间状语从句, 表示“当……的时候”;“随着……”。如: He shouted loud as he ran along. 他一边往前跑,一边高声地呼喊。 We get wiser as we get older. 随着年龄的增长,我们变得更聪明。 ②引导原因状语从句,表示“因为,由于”。如: As it was getting very late, we soon turned back. 因为很晚了,我们很快就回来了。 I must stop writing now, as I have rather a lot of work to do.我必须停笔了,因为我还有许多工作要做。 ③引导比较状语从句,表示“像……一样地”。如: They always work as hard as we do. 他们工作总是像我们一样努力。 IV. as作关系代词, 引导定语从句,表示“正如……”。如: He was a foreigner, as I knew from his accent. 他是个外国人,这一点我是从他的口音中听出来的。 [相关链接] 含as的固定词组 as soon as 一……就…… as... as
possible = as... as one can as/ so long as 只要 as if/ though 好像,仿佛 as to 关于,至于 as much/ many as 多达……,达……之多 so/ as far as I know 就我所知,在句中作插入语 as a result, as a result of 结果;由于……的结果 as well 也,还 |
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