as的使用方法與分類
as的使用方法與分類
在英語語句中經常出現as的單詞，那么as要如何正確使用呢?以下是由學習啦小編整理關于as的用法的內容，希望大家喜歡!
as的用法
一、 as作連詞的用法:
1. 作"當……的時候",引導時間狀語從句。注意與when、 while的用法區別。
?、?when作"當……的時候"解,可以指較短的(一點)時間,也可指一段時間。如:
When he was at college, he could speak several foreign languages.
When the clock struck twelve, all the lights in the street went out.
?、?while常表示一段較長的時間或一個過程,強調主句謂語動詞與從句謂語動詞同時發生。如:
Work while you work. Play while you play.
?、?但屬下列情形時,只用as, 而不用when或while。
A) 用于表示同一個人的兩種動作交替進行,指"一邊……,一邊……"。如:
The girl dances as she sings on the stage.
He looked behind from time to time as he went forward.
B)表示兩個同步發展的動作或行為,譯為"隨著……"。如:
As time went on / by, she became more and more worried.
As children get older, they become more and more interested in the things around them.
C)表示兩個短促行為或事件幾乎同時發生。如:
I thought of it just as you opened your mouth.
Just as the flying worm hit her face, she gave a loud cry.
D) 后接名詞表示某一年齡段時,用as。如:
As a young man, he was active in sports.
2. as=since, 作"既然"、"由于"解,引導原因狀語從句,常用來表示已為人們所知或顯而易見的原因或理由。如:
As / Since you're not feeling well, you may stay at home.
As he wasn't ready in time, we went without him.
3. as=in the way that, 作"像"、"按照……的方式"解,引導方式狀語從句。如:
He speaks English as Americans do.
Remember, you must do everything as I do.
4. 用于as...as...或not so/ as...as...中,前一個as是副詞,后一個as是連詞,引導比較狀語從句。如:
They helped the old man as often as possible.
I don't speak English so/ as well as he does.
5. 作"雖然"、"盡管"解,引導讓步狀語從句。常用倒裝語序,即adj. /adv. / n.+ as +主語+謂語+主句。如:
Tired as they were, they walked on.
Child as he is, he knows a lot. (child前不用冠詞)
二、 as作關系代詞,引導定語從句,作"正如"、"這一點"解。如:
He is very careful, as his work shows.
As is well-known, Taiwan belongs to China.
另外,當先行詞被the same, such等詞修飾時,常用as來引導定語從句。如:
Such a clever boy as he can learn anything quickly.
I was reading the same book as he bought yesterday.
三、 as作介詞的用法:
as引導的介詞短語大多用作狀語,as譯為"作為";少數情況可引起賓語補足語。如:
As a League member, I'll take the lead in everything. (狀語)
She works as a doctor. (狀語)
They have me as one of their own children.(引起賓語補足語)
as的分類
副詞
:ad.1. 跟...一樣地,同樣地 例如:I'm as tall as he 我和他一樣高。
2. 如同;例如 例如:There are lots of famous buildings as the Eiffel Tower and the Arch of
Triumph. 這里有許多著名建筑如埃菲爾鐵塔和凱旋門。
介詞
prep.1. 作為,以...的身份 例如:He works as a tour guide. 他作為導游工作。
2. 當作 例如:She is a famous person as a actress. 作為一個女演員,她很出名
3. 像;如同 例如:The old woman was dressed as a young lady. 這位老婦人打扮得像一位年輕人。
連接詞
conj.1. 像...一樣;依照;像 例如:You ought to do as Paul tells you. 你應按照保羅吩咐的做。
2. 當...時 例如:As she was leaving the room she remembered that book. 她離開房間時想起了那本書。
3. 隨著 例如:As the sun rose the fog dispersed. 太陽一出來,霧隨之消失。
4. 因為 例如:We didn't know what to do as we were just visiting there. 我們不知道該
怎么辦，因為當時我們僅僅在那里作訪問。
5. 雖然 例如:Tired as he was, he stayed up late. 他雖然疲倦，可仍然很晚才睡。
6.盡管 例如：Try as she might,Sue couldn't get the door open.盡管想盡一切辦法，蘇還是不能打開那扇門
代詞
pron.1. (與such,the same,as等連用,引導關系從句)與...相同的事物(或人) 例如:He has
earned as much money as I have. 他賺的錢和我賺的一樣多。
2. (引導從句,對前述內容作補充)本情況,該事實 例如:She has married again, as was
expected. 她已再婚,這是意料中的事。
縮寫詞abbr.1. =Anglo-Saxon 盎格魯-撒克遜人;盎格魯-撒克遜語;盎格魯-撒克遜人的;盎格魯-撒克遜語的
2. =antisubmarine 反潛艇的
3. =Asia 亞洲;亞細亞
4. =Asian 亞洲的;亞洲人;亞洲人的
前綴:=ad 用于s前
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