as詞性多,詞義廣,用法靈活,現(xiàn)將其用法歸納如下:
I. as作副詞, 表示程度, 意為“同樣地”?！癮s…as…”,表示“和/與……一樣”,是同級(jí)比較,其中第一個(gè)as是副詞;否定句中常用“not so…as…”,表示“和/與……不一樣”。如:
Jack is as tall as his father.杰克和他的父親一樣高。
He doesn’t speak English so/ as fluently as you.
他的英語(yǔ)說得不如你流利。
II. as作介詞。
①如,像
They got united as one man.
他們團(tuán)結(jié)得像一個(gè)人一樣。
She spoke of me as her dearest friend。
她談起我猶如我是她最親密的朋友。
②充當(dāng),作為
As a writer, he was famous.作為作家,他是很有名的。
English is spoken as the first language by most people in Australia.
在澳大利亞,大多數(shù)人把英語(yǔ)作為第一語(yǔ)言。
③當(dāng)某人是(某身份)時(shí)
As a child (=When he was a child),he lived in the countryside.他小時(shí)候住在農(nóng)村。
III. as作連詞, 常用來(lái)引導(dǎo)狀語(yǔ)從句
①引導(dǎo)時(shí)間狀語(yǔ)從句, 表示“當(dāng)……的時(shí)候”;“隨著……”。如:
He shouted loud as he ran along.
他一邊往前跑,一邊高聲地呼喊。
We get wiser as we get older.
隨著年齡的增長(zhǎng),我們變得更聰明。
②引導(dǎo)原因狀語(yǔ)從句,表示“因?yàn)?由于”。如:
As it was getting very late, we soon turned back.
因?yàn)楹芡砹?我們很快就回來(lái)了。
I must stop writing now, as I have rather a lot of work to do.
我必須停筆了,因?yàn)槲疫€有許多工作要做。
③引導(dǎo)比較狀語(yǔ)從句,表示“像……一樣地”。如:
They always work as hard as we do.
他們工作總是像我們一樣努力。
(句中第二個(gè)as是連詞,引導(dǎo)比較狀語(yǔ)從句,也屬于同級(jí)比較)
IV. as作關(guān)系代詞, 引導(dǎo)定語(yǔ)從句,表示“正如……”。如:
He was a foreigner, as I knew from his accent.
他是個(gè)外國(guó)人,這一點(diǎn)我是從他的口音中聽出來(lái)的。
[相關(guān)鏈接] 含as的固定詞組
as soon as 一……就……
as... as possible = as... as one can 盡可能地……
as/ so long as 只要
as if/ though 好像,仿佛
as to 關(guān)于,至于
as much/ many as 多達(dá)……,達(dá)……之多
so/ as far as I know 就我所知,在句中作插入語(yǔ)
as a result, as a result of 結(jié)果;由于……的結(jié)果
as well 也,還
山東 張新峰
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