as的英文怎么读_as的用法大全

时间:2022-1-1 作者:英语外教网

as怎么读

英[əz]美[əz]

as的例句

用作副词(adv.)

The ground was as white as snow with petals that had drifted down from the apple trees.满地是苹果树上飘落下来的花瓣,地上一片雪白。

Many things pollute water, such as tires, trash, and plastic bags.很多东西使水污染,例如轮胎、垃圾和塑胶袋。

This cathedral was regarded as a miracle in architectural history.这座大教堂被认为是建筑史上的奇迹。

用作介词(prep.)

As a cub reporter he would learn the facts of life in the newspaper world.作为一名初出茅庐的记者,他要了解报界生涯的内幕。

Just as writing a fiction,programming is a process of creating art.如同写小说一样,程序设计也是一个艺术创造的过程。

用作连词(conj.)

As the wage of the job was low, there were few applicants for it.因为工资低,没有什么人申请这份工作。

Despite the threat of war, people go about their work as usual.尽管战争一触即发,人们仍像平时一样工作。

A sudden chill of horror sweep over her as she feel the drip of saliva upon her hand.当她感觉到滴到她双手上的唾液时,恐怖的寒栗突然遍布了她全身。

Gambling is not the same as investment in the stock market. It’s a horse of a different colour.赌博与把资金投入股市并不一样,它完全是另外一码事。

He did not follow our advice so as to be arrested by the police.他不听我们的劝告,结果被逮捕。

As difficult as it seems to be,the problem is by no means a new one.尽管看起来很难,这个问题却并非新问题。

常见句型

用作副词(adv.)

She is as tall as her mother.
她和她母亲一样高。

He runs as fast as Paul.
他跑得和保罗一样快。

Ade doesn’t play half as well as Cage.
艾德演奏的水平不及凯奇的一半。

Smith works as hard as you used to.
史密斯和你从前一样工作努力。

Return as much money as you borrowed.
借多少就还多少。

You must speak English as much as possible.
你必须尽量多说英语。

You’ve made as many mistakes as I have.
你犯的错误和我一样多。

They are having almost as much unemployment as we are.
他们的失业者几乎和我们一样多。

The dining room was twice as big as the Tom’s.
这个餐厅是汤姆的餐厅的两倍大。

This is as difficult a problem as you are likely to meet.
像这样的难题,你可能会碰到。

It was as pleasant a day as I have ever spent.
那一天我和往常一样过得愉快。

He isn’t quite so old as she.
他还没有到她那样老的年纪。

He is not as old as she,but older〔younger〕 than she.
他并不是和她同样年纪,而是比她老〔年轻〕些。

I’m not as conceited as so many people seem to think.
我不像很多人认为的那么自负。

She’s smart,but her brother is just as smart.
她很聪明,但她兄弟也一样聪明。

The woman married a man poor as herself.
这个女人嫁给了一个与她一样穷的男人。

用作介词(prep.)

As a child,he lived in Japan.
他小的时候住在日本。

As a schoolboy,he showed every sign of genius.
当他还是个小学生的时候,就显示出了天资聪慧。

He worked as a cashier in a bank.
他在一家银行干过出纳。

Under the new arrangement I continued as manager.
根据新的安排,我继续担任经理职务。

This chair can also function as a bed.
这张椅子可兼做床用。

This watch was given me as a birthday present.
这只表是作为生日礼物送给我的。

She is known as Mary.
她叫玛丽。

France is famous as a wine-producing country.
法国以产酒国著称于世。

He does this job as a skilled labour.
他做起这个活像个熟手。

He appeared as a man in a trance.
他显得神思恍惚。

We chose this one as the most suitable for our purpose.
我们之所以选择这一个,因为它最适合于我们的目的。

He wished to join the army,but was rejected as medically unfit.
他想要参军,但因体检不合格而未被批准。

It’s not nearly as cold as yesterday.
今天一点儿也不像昨天那么冷。

The two brothers look and speak the same as each other.
这两兄弟长得一模一样,说起话来也一模一样。

Don’t regard me as a child.
别把我当成小孩看待。

We had better treat it as a joke.
我们最好把它当作玩笑。

The dykes were built as a protection against the sea.
建筑堤坝是为了防止海水泛滥。

We talked about such subjects as the weather.
我们谈论了诸如天气之类的话题。

用作连词(conj.)引导时间状语从句

I was coming in as he was going out.
我进来的时候,他正出去。

My pen trembles as I write it.
我一边写,笔一边颤抖。

Helen heard the story as she washed.
海伦洗衣服的时候听了这个故事。

As I left the house I remembered the key.
当我离开房间的时候,我想起了钥匙。

As I was coming here,I met your brother.
我来这儿的时候遇见了你哥哥。

The boy’s eyes had slowly moved to him as he had spoken.
他说完时,这孩子的眼光已慢慢地移到他身上。

引导原因状语从句

As rain has fallen,the air is cooler.
由于下了雨,空气比较凉爽。

As he has not ready in time,we went without him.
由于他未能及时准备好,我们没有等他就走了。

As this question is of great interest,we will discuss it once again.
因为这个问题很有意义,所以我们决定再讨论一次。

I can’t come tonight,as I’m going to a concert.
今晚我不能来,因为我要去听音乐会。

I am going to bed,as I am very tired.
我疲倦得很,要去睡了。

引导让步状语从句

Child as is Paul,he knows enough to tell good from bad.
保尔虽是个孩子,却已懂得区分好坏。

Coward as he was,however,Flashman couldn’t swallow such an insult as this.
弗拉西曼虽然是个胆小鬼,也不能忍受这种屈辱。

Simple as was the idea,the then scientific world would have none of it.
虽然这概念很简单,但当时的科学界却不知道这一点。

Intelligent as you are,I suspect you will fail.
尽管你聪明,我还是猜想你会失败。

Surrounded as we were by the enemy,we managed to march forward.
尽管我们被敌人包围了,我们还是决心向前进。

Quickly as it spread and threatening as it appeared to be,the result was doomed from the start.
尽管起义发展很快,声势浩大,但它从开始时起就注定了要失败。

He was unable to make much progress,hard as he tried.
尽管他努力了,但他没能取得多少进步。

Try as I might,I couldn’t lift the stone.
无论我怎么努力也搬不动这块石头。

引导比较状语从句

Run as fast as you can.
你能跑多快就跑多快。

Poets are not so scrupulous as you are.
诗人并不像你那样顾虑多。

I’m as happy as happy can be.
我快乐极了。

引导方式状语从句

When in Rome,do as the Romans do.
入乡随俗。

State the fact as it is.
照实讲来。

Balloons float in the air as boats float on water.
气球飘在空中如同船浮在水上一样。

Things were almost as they had been before.
事情还像以前一样。

She looks forward,as does her secretary,to the completion of the building.
她像她的秘书那样盼望工程竣工。

用于插入语

As I said in my last letter,I am taking the exam in July.
我上次信里已经说过,我七月份要考试。

All the while,as I say,I was still running.
我说,我一直是在跑着。

用作副词(adv.)as…as与…一样…to the (specified) degree or extent
用作连词(conj.)as against与…相对照,与…相比之下as compared with
as and when可能时when possible
as far as据…,就… the extent that; as much as
as far as…be concerned参见concern条。
as follows列举如下 as now to be told
as for至于,关于speaking of;speaking for;with regard to
as from自…起from the time started
as good as几乎,实际上 almost, practically
as how是否 if;whether
as if〔though〕好像,似乎,仿佛with the appearance of;apparently
引导方式状语从句

〔说明〕 as if〔though〕引导的方式状语从句中的谓语动词多用虚拟语气,指现在的情况时用一般过去时,指过去的情况时用过去完成时。从句中的谓语动词偶尔也可用陈述语气,这时表示的内容可能是真实的,也可能是不真实的。

He likes to talk big as if he was an important person.

他老爱说大话,就仿佛他是一位要人似的。

He talks as though he knew all about it.

他说话的口气似乎他全都知道了。

He continued with his reading as if nothing important had happened.

他若无其事地又继续看他的书。

He walks as if he is drunk.

从走路的情况看,他是醉了。

She treats me as though I am/were stranger.

她待我形同路人。

The house was lit up as though a big celebration was going on.

整个屋子灯火辉煌,犹如在举行盛大庆典。

Eagles were flying up and up as if to ride the white clouds.

老鹰越飞越高,好像翱翔在白云之上。

The girl listened as though turned to stone.

那姑娘仿佛变成了石头似地倾听着。

引导表语从句

〔说明〕 as if〔though〕引导的表语从句中谓语动词可用虚拟语气,也可用陈述语气,完全依说话人对从句内容真实性的判断。在it looks,it seems等结构之后常用陈述语气。

She looks as if she were ill.

她看起来像生病一样。

She looks as if she had been ill.

她看起来像生过病一样。

He looks as though he would not hurt a fly.

他看起来善良得连只苍蝇都不肯伤害。

He felt as if he had lost his power of judgement.

他觉得自己仿佛已失去了判断力。

It seems as though it was spring already.

现在好像是春天了。

It looks as though it may blow up a gale tonight.

看来今晚可能要刮大风。

It sounds as though there is a knock at the door.

听起来好像有人在敲门。

引导无定形句

〔说明〕 as if〔though〕引导无定形句可以表示惊讶、不信任、愤懑等强烈感情,意思是“好像…似的”“倒是…似的”。

As if I cared!

好像我在乎似的〔我才不在乎呢〕!

As if anyone would believe that story.

别人才不信那一套呢。

as (it) is照现状;照原样taking present circumstances into account;as things are
as it is/was实际上,事实上as a matter of fact
as it were在某种程度上 to some extent
as long as参见long条。
as of直至,在…时up to a specified time;at
as often as not往往,多半 very frequently
as opposed to参见oppose条。
as per按照;根据according to; following
as regards关于,至于 concerning or connected with sb/sth
as regards sb/sth

As regards John,I will write to him at once.

至于约翰,我会立即给他写信。

As regards the contract, the second paragraph must be changed.

至于这份合同,第二段必须修改。

You needn’t worry as regards the cost of the operation.

你无需担心手术的费用。

As regards money,I have enough.

至于钱,我是够花的。

as…so像…那样;恰如…一样in a degree equal to that;in a parallel way in which
as〔so〕 soon as参见soon条。
as to按照according to;by
as usual像平常一样in the usual way
as well参见well条。
as well as参见well条。
as yet到现在为止until now
even as正当…的时候 just at the same moment as
in so far as参见far条。
just as well参见well条。
may as well参见well条。
much as虽然,尽管although
regarded as参见regard条。
so as to为了…with the intention of doing sth
so…as to参见so条。
~+形容词+as+名词

as alike as chalk and cheese本质上完全两样的,截然不同的

as big as life(画像等)与原物一样大的;千真万确的

as black as a raven像乌鸦一般黑

as black as a thunder面带怒容

as black as coal黑得像煤一样

as black as ink黑的,黑乎乎的

as black as jet乌黑发亮的,深黑色的

as black as midnight漆黑的,深黑色的

as black as night漆黑一团

as black as pitch漆黑

as black as soot像煤烟一样黑

as black as Styx阴森漆黑的

as black as the Ace of spades黑色的;脏的

as blind as a bat〈非正〉完全看不见东西的

as blind as a beetle瞎的

as blind as a mole瞎的

as blind as an owl全盲的,瞎透的

as bold as a lion勇猛如狮

as bold as brass极其胆大妄为的;极为粗率无礼的

as brave as a lion勇猛的

as bright as a new pin非常整洁

as bright as day像白昼一样的;光亮的

as bright as noonday像白昼一样的;光亮的

as bright as silver光亮的,光泽好的

as brisk as a swallow动作轻快得像燕子一般

as brittle as glass脆得像玻璃一样

as brown as a berry黑得透红

as busy as a bee忙得像蜜蜂似的

as changeable as the moon多变的,变幻莫测的

as changeable as the weather多变的,变幻莫测的

as chaste as ice像冰一样纯洁

as cheap as dirt便宜透顶

as cheerful as a lark快活得像云雀一样

as clean as a new pin非常整洁

as clear as a bell极为清晰的

as clear as crystal一清二楚

as clear as day昭然若揭

as clear as mud十分明显

as clear as that two and two makes four像二加二等于四一样明显

as clear as the nose in your face一清二楚,显而易见

as clear as the nose on your face一清二楚,显而易见

as cold as a stone冷得像石头一样

as cold as charity寒冷的

as cold as ice冰冷

as common as an old shoe〈非正〉不卖弄,不爱虚荣,谦虚的,对人友好的

as common as dirt极端平常

as common as muck〈非正〉举止粗俗,没有教养

as cool as a cucumber泰然自若

as cowardly as a rat胆小如鼠

as crooked as a corkscrew极不正直

as cross as a bear怒气冲冲

as cunning as a fox像狐狸一般狡猾

as dark as night漆黑一团

as dark as pitch漆黑

as dead as a coffin-nail肯定死了,无效的,失效的

as dead as a doornail肯定死了,无效的,失效的

as dead as a herring〈英〉完全死了的

as dead as mutton〈非正〉僵死的

as deaf as a post聋得什么也听不见的

as different as chalk and cheese本质上完全两样的,截然不同的

as different as chalk from cheese本质上完全两样的,截然不同的

as drunk as a boiled owl〈非正〉烂醉如泥

as drunk as a lord酩酊大醉

as dry as a bone全干; 十分枯燥

as dry as a chip干涸的

as dry as a dust极其干燥的

as dry as a limekiln干涸的

as dry as a stick极其干燥的;口干的

as dull as lead非常愚钝

as dumb as a fish沉默不语的

as dumb as an ox沉默不语的

as dumb as an oyster沉默不语的

as dumb as a statue默不作声的

as easy as ABC极其容易的

as easy as anything极其容易的

as easy as falling off a log极容易的

as easy as pie〈非正〉极容易的

as easy as rolling off a log极容易的

as fair as a rose像玫瑰花一样好看

as faithful as a dog忠诚如狗

as fast as a hare像野兔一样快

as fat as a pig肥得像猪一样

as fierce as a tiger凶猛如虎

as firm as rock坚如磐石

as flat as a board平得像块板子

as flat as pancake完全(扁)平的;非常平坦的

as fleet as a deer快捷如鹿

as free as the wind自由自在

as fresh as flowers in May焕发青春

as fresh as paint〈非正〉精神饱满的;干净明亮的

as full as a tick吃饱喝足

as full of…as an egg is of meat(头脑等)充满了…的,尽是…的

as funny as a crutch没有什么可笑

as fussy as a hen with one chick在琐事上瞎操心

as game as a cockerel像小公鸡一样勇敢

as gaudy as a peacock很漂亮

as gay as a lark快活得像云雀一样

as gentle as a lamp温顺如羊

as good as a play非常有趣的

as good as gold很乖的;很可靠的

as good as one’s word说到做到的,说话算数的

as graceful as a swan姿态优美; 举止端庄

as grave as a judge摆起一副法官的严肃面孔

as grave as an owl铁板着脸的,不苟言笑的

as greedy as a dog贪吃的

as greedy as a pig贪吃的

as greedy as a wolf像狼一般贪得无厌

as green as grass浑然无知

as handsome as paint壮丽如画

as handy as a pocket in a shirt非常方便

as happy as a king像国王一样幸福

as happy as a lark非常欢乐

as happy as a sandboy兴高采烈的,快乐无比的

as hard as a bone硬得像骨头一样

as hard as a stone铁石心肠

as hard as iron坚如铁石,很严厉,很残酷

as hard as nails像钉子那么结实

as hard as nether millstone铁石心肠

as hard as rock坚如磐石

as harmless as a dove像鸽子一般无害

as heavy as lead沉重如铅

as high as a kite烂醉如泥的

as hungry as a hawk饿得像老鹰一样

as hungry as a hunter非常饥饿

as innocent as a baby unborn清白无辜

as jolly as a sandboy兴高采烈的,快乐无比的

as keen as mustard极端热情

as large as life全貌; 明明白白

as lean as a rake骨瘦如柴

as light as feather轻如鸿毛

as like as an apple to an oyster毫不相像

as like as chalk to cheese本质上完全两样的,截然不同的

as like as two peas一模一样

as mad as a hornet〈尤美〉狂怒的,气得发疯的

as mad as a March hare疯狂得像三月的野兔一般

as mad as hops〈非正〉怒不可遏

as melancholy as a cat非常忧郁

as merry as a cricket〈非正〉兴高采烈的,非常快乐的

as merry as a grig〈非正〉兴高采烈的,非常快乐的

as merry as a lark〈非正〉兴高采烈的,非常快乐的

as merry as a sandboy兴高采烈的,快乐无比的

as mild as a dove(性情)非常温和的

as mild as May(性情)非常温和的

as mild as milk(性情)非常温和的

as mute as a fish噤若寒蝉

as mute as a mouse悄无声息

as near as a toucher〈非正〉〈英〉接近得很

as neat as a new pin非常整洁

as nervous as a cat on a hot tin roof〈非正〉惊悸不安的,极度紧张的

as nervous as a dog shitting razorblades〈非正〉惊悸不安的,极度紧张的

as nice as pie〈非正〉极好的

as nimble as a squirrel身手灵活的,举动轻捷的

as numberless as the sands像沙粒一样数不尽

as obstinate as a mule犟得像头骡子

as old as Adam极其古老

as old as Methuselah寿比彭祖

as old as the hills古老的

as open as the day光明磊落

as pale as a ghost面无人色

as plain as a pikestaff非常清楚

as plain as day非常明显,明明白白

as plain as the nose in your face一清二楚,显而易见

as plain as the nose on your face一清二楚,显而易见

as pleased as proud非常快乐的

as pleased as Punch洋洋得意

as plentiful as blackberries多得很

as poisonous as a toad非常恶毒

as poor as a church mouse一贫如洗

as pretty as a picture像图画一样秀丽

as pretty as paint非常漂亮的

as proud as a peacock骄傲得像孔雀一样;非常高傲

as proud as Punch洋洋得意

as quick as a flash快如闪电

as quick as lightning快如闪电

as quiet as a mouse悄无声息

as red as a beetroot满脸通红的

as red as a rose红润得像朵玫瑰

as red as a turkey-cock满脸通红的

as regular as clockwork像钟表机件那样有规律

as rich as a Jew非常有钱

as rich as crazes极为富有的

as rich as Croesus富比陶朱

as right as a trivet非常健康; 一切顺利

as right as nails十分准确的,毫厘不爽的;完全健康的

as right as rain十分健康;状况奇佳

as round as a ball圆得像个皮球

as scarce as hen’s teeth非常稀有

as scared as a rabbit惊慌得像兔子一样

as secret as the grave像坟墓般神秘的,非常秘密的

as sharp as a needle异常精明

as sharp as a razor像匕首那样锋利

as silent as a mouse悄无声息

as silent as the grave默不作声; 沉寂得像座坟墓

as silly as a goose非常笨

as sleek as a cat像猫一般圆滑谄媚

as slow as a snail慢得像蜗牛爬行

as sly as a fox像狐狸一样狡猾,老奸巨猾

as snug as a bug in a rug非常舒服

as sober as a judge十分清醒

as solid as a rock坚如磐石,屹然不动;(人)可靠的

as sound as a bell十分健康

as sour as vinegar酸得像醋

as steady as a rock坚如磐石,屹然不动;(人)可靠的

as stiff as a poker又硬又直; 笔直

as stiff as a ramrod僵直的,笔直的

as still as a mouse悄无声息

as still as death像死了一样, 一动也不动

as straight as an arrow像箭一样直

as straight as a poker直得像个拨火棍

as straight as a ramrod僵直的,笔直的

as strong as a bull健壮如牛

as strong as a horse健壮如牛

as strong as a lion健壮如牛

as strong as an ox健壮如牛

as strong as brandy跟白兰地一样厉害

as stubborn as a mule像骡子一样固执

as stupid as a coot笨头笨脑的

as stupid as a donkey笨得像驴

as stupid as a goose非常笨

as stupid as an ass笨得像驴

as stupid as an owl笨透的

as sulky as a bear怒气冲冲

as sure as a gun一点不错

as sure as death〈非正〉毫无疑问的(地),千真万确的(地)

as sure as fate〈非正〉毫无疑问的(地),千真万确的(地)

as sure as hell〈非正〉毫无疑问的(地),千真万确的(地)

as surly as a bear怒气冲冲

as sweet as honey甜得像蜜一样

as sweet as pie〈非正〉极甜的

as swift as lightning快如闪电

as tame as a chicken像小鸡一样驯顺;非常听话

as thick as blackberries多得很

as thick as thieves非常亲密

as thin as a lath骨瘦如柴

as thin as a rake瘦得像柴耙,骨瘦如柴

as tight as a drum爱钱如命; 烂醉如泥

as tight as a tick吃饱喝足

as timid as a hare胆小如鼠

as tough as nails身体结实的

as tough as old boots(人)非常紧张地;一点也不嫩的,非常老的

as tricky as a monkey诡计多端

as true as flirt极其忠实的,非常可靠的

as true as steel忠实可靠

as true as touch极其忠实的,非常可靠的

as ugly as a scarecrow丑极了

as unstable as water反复无常

as warm as toast暖烘烘的,热得满面红光的

as weak as a cat身体虚弱的;意志薄弱的;性格懦弱的

as weak as water身体虚弱的;意志薄弱的;性格懦弱的

as welcome as a storm不受欢迎的,不合时宜的

as welcome as flowers in May很受欢迎

as welcome as snow in harvest不受欢迎的,不合时宜的

as welcome as water in a leaking ship不受欢迎的,不合时宜的

as white as a sheet脸色苍白

as white as snow洁白如雪

as wide as poles apart相差太远

as wise as before仍旧是糊里糊涂

as wise as Solomon非常聪慧,聪明绝顶

as yellow as gold色黄如金

~+副词+as

as much as像…那么多,多达;实际上差不多

as much…as和…同样多的;和…一样,正如

用作介词 (prep.)动词+~

mutton dressed as lamb打扮得像少妇一样的老妇人(或中年妇女)

pass as充作,被看作,被当作

pass as a watch in the night很快被忘却

动词+副词+~

come across as〈非正〉似乎是,看上去好像是

pass sb off as使假扮成,使冒充

put down as把…当作,认为

write down as把…描写成

write sb off as认为…毫无益处

~+名词

as a (general) rule通常,一般说来

as a result因此,作为结果

as a/the result of因此,由于,作为…的结果

as a man从人的观点,仅就其本人品格来说

as a matter of fact事实上,其实

as a shot作为猜测

as a starter〈非正〉作为开端,首先

as a whole总体上,大体上

as one man一致地

as sin〈非正〉非常,极端地

as witness以…为证明

副词+~

so much as甚至

not so much…as不如…那么多;与其说是…不如说是

~+副词

the mixture as before照原方配服的药;老一套的处理方法,换汤不换药的东西

代词+~

such as像这种的,像那样的,诸如此类的

~+代词

as such如所指的人或事物那样,就其本身而论

用作连词 (conj.)~+形容词

as usual通常,和往常一样

~+副词

as always作为通常情况,如平常一样

as yet迄今为止,到目前为止

~+介词

as of now此刻,眼下

as of old一如从前,照旧

as of right作为合法权利

as的用法

adv.(副词)

as用作副词时主要用来表示比较,意思是“像…一样;如同”。可以单独使用,但更多的是用在as…as结构中,其中第一个as是副词,其后可接形容词或副词,也可接其他成分,as前可有状语。第二个as可以是介词,也可以是连词。as用作副词时还可以指事物以同样的方式发生,意思是“和…一样”。

as…as结构多用于肯定式,偶尔也可用于否定式。表示同样意思的否定式多用so…as。as…as结构用于否定句时多用于口语,侧重“像…一样”;so…as结构则多用于书面语,侧重“像…那样”。

as…as结构表示的是同级比较,第一个as后的形容词或副词不可用比较级,必须用原级,比较的对象亦须属同类。

as…as结构表示数量或程度时,可用于“as much+(不可数名词+) as”或“as many+(可数名词复数+) as”结构。

修饰as…as结构的常见词语有nearly,almost,just,exactly,half,quite,表示倍数或次数的形容词,“数词+times”等。这些修饰语都放在as…as结构之前。

使用as…as结构时,若第一个as后的名词是单数可数名词并有形容词修饰,则应使用“as+ adj.+ a/an+ n. ”结构,即不定冠词应位于形容词和名词之间。第二个as后面的名词或代词的格不同,意思也不同。

as…as结构中后一个as用作连词时引导的从句常为省略句,省略从句中的动词可使主句的意义得到加强;反之,重复从句中的动词则可使从句的意义得到强调。

使用as…as结构时,在一定的上下文中可以省去其中的一个。

as用作副词时不用于比较等级。

prep.(介词)

as作“以…的身份,以…资格,作为,以…角色”解时常与动词act,employ,function,serve,speak,work或形容词eminent,distinguished,famous,known,recognized,renowned等连用。

as比较常用于as…as和the same…as两个句型。

conj.(连词)

as用作连词时,可以用来表示时间,译为“正当…的时候;随着…;边…边…”,引导时间状语从句。主句可以是主动句,也可以是被动句。当两个主语的动作是同时发生的时候,主句和从句的谓语动词都可以用进行时态或一般式,无论动作长短;当两件事发生的时间间隔很短,甚至没有时间间隔时,主句和从句均用一般过去时;当主句的动作发生在从句的动作发生的过程中的时候,主句和从句可以都用一般过去时,也可以在从句中用进行时态。当表示两个动作的完成时间恰好一致时,as连接的主、从句也都可用过去完成时。

as还可表示原因,作“因为,既然”解,引导原因状语从句,表示不说自明的原因或理由,语气较轻,是附带提及,不加强调。as引导的从句可放在主句之前(表示原因不明显),也可放在主句之后(表示原因明显)。

as可表示让步,作“尽管”解,引导让步状语从句。当主句的谓语动词是be或其他系词的限定形式时,常用于“名词〔形容词,过去分词〕+as+主语+be〔其他系词〕”的限定形式(名词位于句首时一律不用冠词);当主句的谓语动词是行为动词时,常用“副词+as+主语+行为动词(+其他附加成分)”的形式。有时也把动词放在从句句首,尤其是有may,might,will,would等情态动词时。注意当主语是名词时常用倒装语序,主语是代词时则不用倒装语序,主语位于谓语之前。

as可以引导一个比较关系的状语从句,意思是“像…一样”;为了加强比较的意味,主句中常加副词as(用于肯定句)或so(用于否定句)。此时as可用于“as…as…can〔could〕 be”结构,用来强调形容词的含义,一般可译为“到了…的程度”“极其”。

as可以引导方式状语从句,意思是“依照,按照”。

as引导比较或方式状语从句时,从句一般采用正常语序,但在正式语体里,也采用倒装语序,但不是强制性的。

as还可用于插入语,可置于句首、句中或句末,并常有逗号与句子的其他成分分开。

as 常做关系代词,如such children as love their books中的as是love的主语。such books as are loved by children中的as是are loved的主语,所以要分析清楚句子结构,不可以随便删除谓语动词,如上句中的are。当as指代主句所讲述的内容时,也做关系代词。值得注意的是,as在作关系代词时,极易被误认为是连接词而加用it。

As is announced in today’s papers, all the schools will reopen on 1 September.
句中的as指学校将在9月1日重开这件事。

As it is announced in today’s papers, all the schools will reopen on 1 September.
句中的it是多余的,不该加。

as much/many …中as用来谈论数量。另外as much/many可作为代词,后不接名词。同时,as much …可作为副词。

I haven’t got as much money as I thought.
我带的钱没有我自己想象的那么多。

I ate as much as I could.
我尽可能得多吃。

You ought to rest as much as possible.
你应该尽可能多地休息。

as … as …指“两个人或物在某方面一样”,既可以用在肯定句里,也可以用在否定句中,而so … as …只能用在否定句里。“as … as …”有时含有第二个as后的主语有着高程度的那形容词(或副词)所指的特点,如上述例句中有暗指“她很老”。用isn’t,wasn’t,don’t和can’t等时,多习惯与as搭配,而不是so,如He isn’t as old as she (is)比He isn’t so old as she (is)更为普遍。若是句中的形容词或副词前用了 quite这个词时,就习惯不用as,用so。

He is as old as she (is).
He is not so old as she (is).

He isn’t quite so old as she (is).

as在表示“原因”时,语气要轻于because。一般来说,as引导的从句会在主句前。as引导的从句也可以在主句后,不过必须要确认从句的内容要是对方知道的。注意在表示原因时,不可以把as和so连用,两者只能存在一个。不过as … so …的表达方式是可以的,但指“正像……,……”。

You need not go with me, as you are busy.
可以说,因对方知道自己忙。

I cannot go with you, as I am busy.
应该避免使用,应对方不一定知道我很忙。

As you like music, so I like poetry.
正像你喜欢音乐一样,我喜欢诗歌。

as还可指“虽然”,如beautiful as she,(虽然她很漂亮)和child as he is(虽然他很孩子气)。这样用时,要注意格式上形容词或名词在as前以及名词前没有a或an;

as也可加副词或动词。

Much as I should like to see you, I am afraid you may find it inconvenient to come in this hot weather.
Search as they would, they could find nobody in the house.

要注意区分so … as和so … that,such … as和such … that,彼此之间不可以互相替换。

Here is so big a stone as no man can lift.
习惯上,虽然as和that都可做关系代词或链接词,但使用that时,要与it搭配使用,而as要单用,不可以搭配it使用。

as指“当…的时候”时,引导的从句中的动词不能以将来时呈现。

Count the children as they will enter the room.
句中的will应该删掉。

so … as to …(不定式)同…enough to …(不定式)表达的意思相同。

Write so carefully as to make every sentence clear.
注意这两个结构是固定的搭配。

as from指“从某日开始”,常用在法律,契约,公告的文件中。

The shopping center will be open to the public as from 6 May, 2001.
商场会从2001年5月6日起重新开业。

as well as指“(除……之外)也,又”,要注意它同and和not only … but (also)…是有区别的。A as well as B = not only B but also A,指“不单B,而且A”,注意是B在前,A在后。不可以用A,B,as well as C.通常来说,as well as作连接词,不是介词。结构“both … as well as …”是错误的,避免使用。常有人用“not only … but …as well”的结构,同“not only … but also …”或“not only … but …”表达的意思相似,但是没有后者使用普遍。

He is a Chinese, but he has foreign friends as well as Chinese friends.
第一句是正确的表达,第二句是错误的。

I read French, German, as well as English.
这个句子是不可以的,应用and来连接。

He advised me as well as answering my question.
句中把as认作是介词,接了动名词answering,实际上是错误的,应改为answered。

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