as……as的意思及具體用法

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as……as的意思及具體用法

as……as的意思及具體用法1

　　“as + 形容詞或副詞原級+ as…” 意為“和……一樣”，表示同級的比較，但要注意第一個 as 為副詞，第二個 as 為連詞。根據比較對象和性質的不同又可以把此種結構分為三種：

　　(一)“ as … as …結構”用于表示不同人或物同一性質的比較，意為“……和……一樣…… " 。例如： The tree is as tall as the building(is) .

　　這棵樹和那棟樓一樣高。

　　注意此結構也常用于形象比喻中：as cool as cucumber沉著的，as stubborn as a mule 非常頑強的，倔強的， as clear as crystal 非常透明的， as poor as a church mouse非常貧困的，as busy as a bee像蜜蜂一樣忙碌， as easy as ABC 像 ABC 一樣容易， as deep as a well 像井一樣深， as light as a feather像羽毛一樣輕，as soft as butter像黃油一樣軟。這些短語生動活潑，淺顯易懂，記住這些短語可以提高學生的英語寫作和口語能力。

　　(二)“ as … as …結構”用于表示同一個人或物不同性質的比較，意為“既……又……” 。例如： This swimming pool is as wide as it is long.

　　這個游泳池寬度和長度相等。

　　(三)“ as … as …結構”用于表示兩個人或物不同性質的比較，表示程度相同或相當，意為“……而……”。在否定句中結構是“ so/as…as… ”。例如：

　　He was as handsome as his wife was beautiful .

　　他長得非常英俊，他的妻子也長得非常漂亮。

　　He was as experienced as his brother was green .

　　他經驗豐富，而他兄弟卻涉世未深。

　　He cannot run so/as fast as you.

　　他沒你跑得快。

　　Danny is not so/as wise as he is witty .

　　丹尼為人風趣，但欠明智。

　　需要注意的是： “as + 形容詞或副詞原級 + as…” 結構的變體形式是“ as + 形容詞 + a + 單數名詞 + as 或 as + many/much + 名詞 + as ”。意為“……和……一樣…… " 。例如：

　　I don't want as expensive a car as this. = I don't want a car as expensive as this . 我不要這么貴的汽車。

　　This is as good an example as the other is.

　　這個例子和另外一個例子一樣好。

　　Tony is as clever a boy as his brother .

　　托尼是一個和他兄弟一樣聰明的男孩。

　　I can carry as much paper as you can.

　　我能搬得動和你一樣多的紙。

　　此外，變體結構的否定形式為“ so +adj. + a/an + n. ( 單數 ) + as " 。例如：

　　I am not so strong a man as I was.

　　我已經沒有從前那么強壯了。

　　二、 “as … as… 結構 ” 中常見詞組和句式的用法

　　“as … as… 結構 ” 中常見詞組和句式有很多，最常見的詞組有“ as soon as ”意思是 " 一 …… 就 ……", 引導一個時間狀語從句，還有“ as much as ”和“ as many as ”意思是“像 …… 一樣多 ……” ，用來表達極其多的語氣，學生在學習中時常會遇到這些詞組，對這些詞組的用法并不陌生。筆者對此無需贅述。下列筆者將要介紹 “as … as… 結構 ” 中其他一些常用詞組和句式：

　　(一)詞組“ as long as ”意思是 " 長達 …… 之久;只要 ……" 。引導時間或條件狀語從句。如： It took us as long as three years to carry out the plan.

　　我們花了長達三年的時間才完成這項計劃。

　　You may borrow this book as long as you promise to give it back.

　　只要你答應歸還，你就可以把這書借走。

　　As long as you work hard, you are sure to succeed in everything.

　　只要你努力，你就一定會事事成功。

　　(二)詞組“ as far as ” 意思是“那么遠，就… … 而知，就… … 言，” 如：

　　He walked as far as the railway station yesterday evening.

　　昨天傍晚，他一直散步到火車站。

　　As far as I’m concerned, she is the most qualified for the job.

　　在我看來，她是最適合這份工作的。

　　(三)句式 “ as+ many/much+ 名詞 +as” 意思是“ …… 和 …… 一樣”。此結構是詞組“ as much as ”和“ as many as ”的變體形式。如：

　　To eat too much is as much a bad thing as to eat nothing.

　　吃太多和什么都不吃同樣是壞事。

　　He is as much a member of the orchestra as Tom.

　　他和湯姆同樣是管弦樂隊的成員。

　　Comets are just as much members of the sun’s family as(are) the other planets.

　　彗星和其他的行星同樣是太陽家族的成員。

　　(四)以下幾個結構的意思都差不多：“ as … as possible/as…as one can(could)/as…as…can be” 都表示“盡可能地… … ”的意思。如：

　　Read the story as quickly as possible. = Read the story as quickly as you can.

　　盡快地閱讀這篇故事。

　　They watered the trees as often as possible. = They watered the trees as often as they could. 他們盡可能經常給樹澆水。

　　His failure is as plain as plain can be.

　　他的失敗是再明白不過了。

　　He is as handsome as handsome can be.

　　他瀟灑極了。

　　Mary is as hardworking as can be.

　　瑪麗學習極為努力。

　　其他例如：

　　as wise as wise can be 再聰明不過了

　　as white as white can be 白得不能再白了

　　as wrong as wrong can be 錯得太離譜了

　　(五)“ as … as usual/ever/before ”此結構的意思是“像平時 / 以前一樣”。如：

　　He gets up as early as usual.

　　他像平時一樣早起。

　　He seems to be as busy as ever.

　　他似乎像往常一樣忙碌。

　　He works as hard as ever.

　　他和往常一樣努力工作。

　　She was as beautiful as ever after so many years.

　　過了這么多年她美麗如故。

　　(六)“ as … as …結構”可以用來表示倍數。具體用法是倍數詞： twice ， three times ，

　　quarter 置于第一個 as 之前，意思是“ …… 是 …… 的幾倍”。如：

　　You are not half as clever as you think you are . half 或 a

　　你可不像自己想象的那么聰明。

　　She isn ’ t going out with a man who is twice as old as she .

　　她不打算和一個比她大一倍的`人出去散步。

　　We’ve produced twice as much cotton this year as we did last year.

　　我們今年的棉花產量是去年的兩倍。

　　She works three times as hard as I.

　　她用功的程度是我的三倍。

　　需要注意的是，在比較級前還可以用“ over, more than ” 等表示“比 …… 倍數還要多”。如： He is more than three times as rich as I.

　　他的財富是我的三倍還不止。

　　I am more than twice as old as he.

　　我的年齡是他是兩倍還不止。

　　He studies more than three times as hard as I.

　　他用功的程度是我的三倍還不止。

　　He has collected more than four times as many stamps as I.

　　他搜集的郵票是我的四倍還不止。

　　(七)詞組“ as well as ”意思是“像…一樣好，既…又… , 除之外還”，此短語使用頻率十分高，用途非常廣泛。它可以用作連詞和介詞，也可以表示比較。具體用法如下：

　　1. 詞組“ as well as ”用作連詞。連接兩個并列的同等成分，其意義為“不但……而且……”，“既……又……”，這時相當于“ not only … but also… ”。它所連接的部分既可以是單詞、短語，也可以是句子。例如： He speaks Japanese as well as English and French.

　　他不但講英語和法語，而且還講日語。

　　2. 詞組“ as well as ”用作介詞。此時，相當于 besides ，意為“除……之外”，后常接名詞、動名詞。如

　　As well as visiting the old man, he helped to clean the room.

　　除看望老人外，他還幫助打掃房間。

　　3. “ as well as ”用于同級比較 , 意為“和……一樣(好)”，這時，第一個 as 是副詞，第二個 as 是連詞，引導一個狀語從句，表示同級比較。如：

　　He can operate the machine as well as I do.

　　他操作這臺機器和我一樣熟練。

　　4. 在使用“ as well as ” 時還應注意以下幾點：

　　( 1 )當“ as well as ” 連接主語時，謂語動詞的人稱和數應與“ as well as ” 之前的名詞或代詞的人稱和數保持一致。如：

　　Mary as well as I has been to the Great Wall.

　　我和瑪麗去過長城。

　　( 2 )當“ as well as ”連接兩個謂語動詞時，前后時態與形式應保持一致。如：

　　They play the piano as well as sing.

　　他們不但會唱歌，而且會彈琴。

　　( 3 )當“ as well as ”連接兩個簡單動詞時，也可充當插入語，這時 as well as 后的動詞在人稱和數上應與主語保持一致。如：

　　He works, as well as sleeps, in the room.

　　他既在這房間里睡覺，又在這兒工作。

　　( 4 )當“ as well as ”前的動詞是分詞或不定式，那么“ as well as ” 后的動詞應取相應的形式(不定式不帶 to )。如：

　　You can’t expect her to do the housework as well as look after the children.

　　你不可能叫她既做家務又照看小孩。

　　( 5 )如果“ as well as ”前的謂語動詞是一般現在時或一般過去時，“ as well as ” 之后的動詞可與前面一致，也可用動名詞形式。如：

　　She sings as well as playing the piano.

　　她不但會彈琴，而且會唱歌。

　　Heavy smoking runs away with your money, as well as being bad for your health. 抽煙多既浪費金錢，又對健康不利。

　　( 6 )如果“ as well as ” 前面的動詞是分詞，那么“ as well as ” 后的動詞也應用分詞形式。如： We are repairing the roof, as well as painting the walls. 我們既油漆墻壁，又修房頂。

　　( 7 ) “ as well as ”也可以用于否定結構中，當 not 位于“ as well as ” 后時，兩者都否定;當 not 用于 as well as 前時，否定前者，肯定后者。試比較：

　　I shall not see the film as well as he.

　　他將去看電影，而我不去。

　　I, as well as he, shall not see the film.

　　他不去看電影，我也不去。

　　通過以上分析可以發現“ as … as …結構”看似簡單，但此結構變化太多，不易掌握。只有在平時的學習中多做練習才能熟能生巧。

　　As… as 的否定形式： not as … as

　　Not as half … as …

　　My daughter is not as half clever as your daughter.

　　看了as……as的意思及具體用法的人還看了：

　　1.as…as…句型的用法小結

　　2.as的多種用法歸納

　　3.as...as用法的詳細說明

　　4.as...as...的用法詳解

　　5.As…as 的用法詳解

　　6.as...as的英語常見用法

as……as的意思及具體用法2

　　as可以作連詞、介詞及關系代詞。現將其用法小結如下:

　　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。

　　① 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. (表示一段時間)

　　When the clock struck twelve, all the lights in the street went out. (表示時刻)

　　② 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.

　　③ 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引導讓步狀語從句,常用倒裝語序,,后一個as是連詞(連詞后面可以跟動詞、形容詞、句子),引導比較狀語從句。如:

　　5. 作"雖然"、"盡管"解即adj. /adv. / n.+ as +主語+謂語+主句。如: 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.

　　as的這種用法,請看20xx年的高考題:

　　is known to everybody, the moon travels round the earth once every month.

　　A. It B. As C. That D. What

　　字母下劃橫線的.為正確答案)

　　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……as的意思及具體用法3

　　as...as意為"和……一樣",表示同級的比較.使用時要注意第一個as為副詞,第二個as為連詞.其基本結構為：as+ adj./ adv. +as.例如：

　　(1)This film is as interesting as that one.這部電影和那部電影一樣有趣.

　　(2)Your pen writes as smoothly as mine.你的鋼筆書寫起來和我的一樣流暢.

　　其否定式為not as/so +adj./ adv. +as.例如：

　　This dictionary is not as/so useful as you think.這本字典不如你想象的那樣有用.

　　若有修飾成分,如twice, three times, half, a quarter等,則須置于第一個as之前.例如：

　　Your bag is twice as expensive as mine.你的袋子比我的`貴一倍.

　　幾個關于as...as的常見句型：

　　(1)as...as possible

　　Please answer my question as soon as possible.請盡快回答我的問題.

　　(2)as...as usual/before

　　She looks as pretty as before.她看起來和以前一樣漂亮.

　　(3)as long as... (引導條件狀語從句)

　　It took us as long as three years to carry out the plan.我們花了長達三年的時間才完成這項計劃.

　　(4)as far as

　　He walked as far as the railway station yesterday evening.昨天傍晚,他一直散步到火車站.

　　(5)as well as

　　She cooks as well as her mother does.她燒菜燒得跟她母親一樣好.

　　一些帶有as...as結構的常見短語歸納：

　　as busy as a bee像蜜蜂一樣忙碌

　　as easy as ABC像ABC一樣容易

　　as deep as a well像井一樣深

　　as light as a feather像羽毛一樣輕

　　as soft as butter像黃油一樣軟

　　as rich as a Jew像猶太人一樣富裕

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