今天我们来聊聊as用法,以下6个关于as用法的观点希望能帮助到您找到想要的大学知识。
本文目录
as的用法是什么
as具体用法如下：
1.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”。
2.as 常做关系代词，如such children as love their books中的as是love的主语。
3.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读音：英 [æz , əz] 美 [æz , əz]
释义：
1.prep.像;如同;作为;当作
例句：Nobody that I spoke to doubted his sincerity as a politician.
和我谈过话的人中没有一个怀疑他作为一个政治家的诚意。
2.adv.(比较时用)像…一样，如同;(指事情以同样的方式发生)和…一样
例句：Today, as usual, he was wearing a three-piece suit
像往常一样，他今天穿的是三件套。
3.conj.当…时;随着;照…方式;因为;由于
例句：She counted more than a dozen in plain sight as the steamer drew closer.
当轮船靠近时，她一眼就数出了十多艘来。
扩展资料
近义词：equally、though
一、equally读音：英 [ˈiːkwəli] 美 [ˈiːkwəli]
释义：adv.平等地;同样地;平均地;相等地;均等地;(引出同样重要的内容)同样，此外，也
例句：Team members contribute thoughts and share ideas equally.
团队成员平等地贡献思维和分享想法。
二、thoughthough读音：英 [ðəʊ] 美 [ðoʊ]
释义：
1.conj.虽然;尽管;即使;(用于主句后，引出补充说明，使语气变弱)不过，可是，然而
例句：I will say no more on these matters, important though they are
虽然这些事很重要，我也不想再说什么了。
2.adv.(尤用于句末补充说明，使语气减弱)不过，可是，然而
例句：I like him. Though he makes me angry sometimes
我喜欢他，不过他有时惹我生气。
as的多种用法归纳
单词as的用法比较多样，下面我为大家归纳整理它的用法，希望能帮助大家学习： 一、as作连词的用法 1. as...as的用法 as...as意为"和……一样"，表示同级的比较。使用时要注意第一个as为副词，第二个as为连词。其基本结构为：as+ adj./ adv. +as。例如： (1)Your pen writes as smoothly as mine.你的钢笔书写起来和我的一样流畅。 (2)This film is as interesting as that one.这部电影和那部电影一样有趣。 其否定式为not as/so +adj./ adv. +as。例如： This dictionary is not as/so useful as you think.这本字典不如你想象的那样有用。 若有修饰成分，如twice, three times, half, a quarter等，则须置于第一个as之前。例如： Your bag is twice as expensive as mine.你的袋子比我的贵一倍。 几个关于as...as的常见句型： (1)as far as He walked as far as the railway station yesterday evening.昨天傍晚，他一直散步到火车站。 (2)as well as She cooks as well as her mother does.她烧菜烧得跟她母亲一样好。 (3)as...as possible Please answer my question as soon as possible.请尽快回答我的问题。 (4)as...as usual/before She looks as pretty as before.她看起来和以前一样漂亮。 (5)as long as... (引导条件状语从句) It took us as long as three years to carry out the plan.我们花了长达三年的时间才完成这项计划。 2. as用作连词引导时间状语从句 as与when，while都是引导时间状语从句的从属连词，含义都是"当……的时候"。但它们有区别：用when时，从句的动作可以与主句的动作同时发生，也可以先于主句的动作发生;用while时，从句的动作为一过程，主句动作与从句动作同时进行或在从句动作过程中发生;用as时，主句和从句的动作同时发生，具有延续的含义。例如： (1)It was snowing when he arrived at the construction site.他到达工地时，天正在下雪。 (2)He was watching TV while his mother was cooking.他母亲做饭时他在看电视。 (3) You will grow wiser as you grow older.你会随着年龄的增长而越来越聪明。 3. as用作连词引导原因状语从句 as，because，since都可以表示因果关系，连接原因状语从句，含义是"因为，由于"，但它们有区别：because表示的语气最强;as一般放在句首，语气较弱，较口语化;since常常用在书面语中，表示多为对方已知的、或稍加分析便可得知的原因，有时可译作"既然"。例如： (1) He will succeed because he is in earnest.他一定会成功，因为他很认真。 (2) Since you are so sure of it he”ll believe you.既然你对此如此有把握，他会相信你的。 (3) As rain has fallen, the air is cooler.因为下过雨，空气比较清爽。 4. as作连词引导让步状语从句 as与although (或though)，however (或no matter how)等都可以引导让步状语从句，含义是"虽然，尽管"，但它们有区别：although语气稍正式些，可放在句首，也可放在句中，主句中不能再用but，但可以用yet;as所表示的语气较强，引导的让步状语从句用倒装语序;however引导让步状语从句时，它的后面可跟形容词或副词，也要用倒装语序。例如： (1) Although he is quite old, he still jogs every day.他虽然年纪相当大，仍然每天慢跑。 (2) Strange as it may seem, nobody was injured in the accident.这次意外虽然显得令人不可思议，却没有人受伤。 (3) However hard he may try, he will not attain his goal.无论他怎样努力也达不到目标。 二、as作介词的用法 as作介词，意思是"作为"，"以……身份"。例如： He came to China as a tourist five years ago.他五年前以游客的身份来过中国。 三、as作副词的用法 to the same degree or amount; equally "相同地"，"同样地"。例如： They don”t have as many airplanes.他们没有同样多的飞机。 四、as作关系代词的用法 关系代词as引导定语从句时，既可以单独使用，也可以与其他词连用，其用法要比that和which更为复杂。 1. as单独引导定语从句 as单独引导定语从句时，先行词可以是一个词，也可以是一个 句子 或 短语 。例如： (1) She is late, as is often the case.她迟到了，这是经常的事。(先行词是整个主句) (2) To shut your eyes to facts, as many of you do, is foolish.对事实视而不见--你们好多人都是如此的愚蠢。(先行词是不定式短语) 2. as引导定语从句与其他词连用 ①用于the same...as结构中 This is the same book as I read last week.这本书和我上周读的那本是一样的。 ②用于such...as结构中 I don”t like such books as he recommends.我不喜欢他推荐的那些书。 ③用于"so +adj. + a/an + n. (单数) + as "结构中 I am not so strong a man as I was.我已经没有从前那么强壮了。
as的用法是什么？
1、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。
2、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；
3、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。
扩展资料：
1、as，for这两个词均可作“作为；当作；用作”解，一般情况下可以互换。但as表示资格，而for表示用途。例如：
She was respected as a teacher.
作为一名教师，她受到尊敬。
She won't do for a teacher.
她做教师不行。
2、另外，在regard，think of，treat等动词之后一般用as，不用for。
as的用法有哪些
as可用作连词，引导比较、时间、原因及方式等四种状语从句，应注意的是，引导的比较状语从句往往有省略;引导的时间状语从句一般用一般现在时而不用一般将来时;引导原因状语从句时与“Because”和“since”引导的从句比较起起来语气最弱。
as作介词，意思时“作为”，“以……身份”。例如:He came to China as a tourist five years ago.
而表示像…一样时，like通常作介词用，而介词后面通常接名词，代名词和动名词。
as in Australia“和在澳大利亚一样”。
as……as
AS +adj(原级)+AS
AS +adv(原级)+AS
as soon as 一……就
as soon as possible 尽可能快地
as early as possible 尽可能早的
as carefully as you can 尽可能认真地
as careful as you can 尽可能认真的
1。as是连词，表示“随着”的意义。lives是life的复数，意义是“生活”。
2。as是连词，表示“因为，由于”的意义。wanting是现在分词，表示主动意义，wanting to buy cars=who want to buy cars。
As的用法小结
as可以作连词、介词及关系代词和副词。现将其用法小结如下:
(一)、 as作连词的用法:
1.作“在-------期间，当----的时候”引导时间状语从句.注意与when、 while的用法区别。
①下列情形时,只用as, 而不用when或while。
1)用于表示同一个人的两种动作交替进行,指一边----一边. 如:
The girl sings as she goes to school.
He looked behind occasionally as he went forward in the forest.
2)表示两个同步发生的动作或行?意思是随着-----的发展.如:
As time went on / by, she became more and more beautiful .
As children get older, they become more and more interested in everything.
3)表示两个短暂行为或事情几乎同时发生.如:I watched her as she read the book.
I thought of it just as you opened your mouth.
Just as the flying worm hit her face, she gave a loud cry.
4)接在名词后面表示某一个年龄段时.如:
As a young man, he was active in sports.
②when作"当……的时候"解,可以指较短的(一点)时间,也可指一段时间。如:When I was at college, I could speak several foreign languages. When the clock struck twelve, I had slept for 2hours.
③ while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时发生。如:Work while you work. Play while you play.
2. As =Since 作"既然"、"由于"解,引导原因状语从句,常用来表示已为人们所知或显而易见的原因或理由。如: As he’s been ill for ages, I will help him.
As / Since you're not feeling well, you may stay at home.
As he wasn't ready , we went without him.
3. As =in the way that作"像"、"按照……的方式"解,引导方式状语从句。如:
Do as I told you.
Remember, you must do everything as I do.
4. 用于as--- as或not / so/ as ---- as中,前一个as是副词,后一个as是连词,引导比较状语从句。如:They helped the old as much as possible.
I don't speak English so/ as well as she does.
5. 表示虽然,尽管 等,引导让步状语从句,常用倒装语序,模式为:
adj. /adv. / n.+as +主语+谓语+主句。如: Young as he is, he knows much.
Tired as they were, they walked on.
6. 表示也------一样。 She is a doctor, as was her husband.
(二)、 as作关系代词,引导定语从句,表示正如,这一点.如:
He is very careful, as we all know.
As is well-known, Taiwan belongs to China.
另外,当先行词被the same, such等词修饰时,常用as来引导定语从句。如:
Such a clever girl as she can learn anything quickly.
I was reading the same book as he bought yesterday.
(三)、as作介词的用法.
1.表示好像。如:He dressed as a policeman.
2. 表示作为当作。如:I found a job as a guide.
3. 当某人是某身份时。如:As a child , she was sent to abroad.
4. as引导的介词短语大多用作状语,as译为"作为";少数情况可引起宾语补足语。如:
As a Party member, I'll take the lead in everything. (状语)
She works as a model. (状语)
She has me as one of her best friends.(引起宾语补足语)
(四)、作副词的用法 1 表示与------等同。如:This dress is twice as expensive as that one. 2 像，如等。如:As before, he remained unmoved.
As的用法是什么？
一，副词adv：
1. 跟...一样地,同样地 例如:I'm as tall as him 我和他一样高。
2. 如同;例如 例如:There are lots of famous buildings as the Eiffel Tower and the Arch of Triumph. 这里有许多著名建筑如埃菲尔铁塔和凯旋门。
二，介词prep：
1. 作为,以...的身份 例如:He works as a tour guide. 他作为导游工作。
2. 当作 例如:She is a famous person as a actress. 作为一个女演员,她很出名
3. 像;如同 例如:The old woman was dressed as a young lady. 这位老妇人打扮得像一位年轻人。
三，连接词conj：
1. 像...一样；依照；像 例如:You ought to do as Paul tells you. 你应按照保罗吩咐的做。
2. 当...时 例如:As she was leaving the room she remembered that book. 她离开房间时想起了那本书。
3. 随着 例如:As the sun rose the fog dispersed. 太阳一出来,雾随之消失。
4. 因为 例如:We didn't know what to do as we were just visiting there. 我们不知道该怎么办，因为当时我们仅仅在那里作访问。
5. 虽然 例如:Tired as he was, he stayed up late. 他虽然疲倦，可仍然很晚才睡。
6.尽管 例如：Try as she might,Sue couldn't get the door open.尽管想尽一切办法，苏还是不能打开那扇门
四，代词pron:
1. (与such,the same,as等连用,引导关系从句)与...相同的事物(或人) 例如:He has
earned as much money as I have. 他赚的钱和我赚的一样多。
2. (引导从句,对前述内容作补充)本情况,该事实 例如:She has married again, as was expected. 她已再婚,这是意料中的事。
四、英语中as……as的用法:
(1) 在否定句中，第一个 as 也可换成 so。
(2) 在该结构的两个as之间通常接形容词或副词的原级，但若涉及数量或程度，可用“as much+不可数名词+as”和“as many+复数名词+as”。
I haven’t got as much money as I thought. 我不像原来想像的有那么多钱。
(3) 第二个as后接从句时，该as通常为连词，但有时这个as还充当其后从句的主语或宾语，此时该as实为关系代词。如：
I gave him as much as he could eat. 他能吃多少，我就给了他多少。
(4) 该结构根据情况可用使用以下修饰语。如：(not) nearly, almost, just, nothing like, exactly, not quite, half, one-ten, twice, three times, 30 per cent等，并且这些修饰语必须置于第一个as之前，而不能置于其后。
注意：
一、 as作连词的用法:
1. 作"当……的时候",引导时间状语从句。注意与when、 while的用法区别。
① when作"当……的时候"解,可以指较短的(一点)时间,也可指一段时间。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.
② while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时发生。如:
Work while you work. Play while you play. 工作的时候工作。玩的时候玩。
③ 但属下列情形时,只用as, 而不用when或while。
A) 用于表示同一个人的两种动作交替进行,指"一边……,一边……"。如:
The girl dances as she sings on the stage.
He looked behind from time to time as he went forward.
B)表示两个同步发展的动作或行为,译为"随着……"。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)表示两个短促行为或事件几乎同时发生。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) 后接名词表示某一年龄段时,用as。如:
As a young man, he was active in sports.
2. as=since, 作"既然"、"由于"解,引导原因状语从句,常用来表示已为人们所知或显而易见的原因或理由。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,引导方式状语从句。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,前一个as是副词,后一个as是连词,引导比较状语从句。如:
They helped the old man as often as possible.
I don't speak English so/ as well as he does.
5. 作"虽然"、"尽管"解,引导让步状语从句。常用倒装语序,即adj. /adv. / n.+ as +主语+谓语+主句。如:
Tired as they were, they walked on.
Child as he is, he knows a lot. (child前不用冠词)
二、 as作关系代词,引导定语从句,作"正如"、"这一点"解。如:
He is very careful, as his work shows.
As is well-known, Taiwan belongs to China.
另外,当先行词被the same, such等词修饰时,常用as来引导定语从句。如:
Such a clever boy as he can learn anything quickly.
I was reading the same book as he bought yesterday.
三、 as作介词的用法:
as引导的介词短语大多用作状语,as译为"作为";少数情况可引起宾语补足语。如:
As a League member, I'll take the lead in everything. (状语)
She works as a doctor. (状语)
They have me as one of their own children.(引起宾语补足语)
短语
as well 也；同样地；还不如
as well as 也；和…一样；不但…而且
as one 一致的
as的用法
近几年高考试卷中有关as一词的题目出现过很多次，其中as或是最佳选项，或是干扰项，或是题干中的关键信息点，涉及到as作为连词、介词、关系代词、副词以及习语等各种用法。as的用法有哪些呢?本文是我整理as的用法的资料，仅供参考。 as的用法 (一)、 as作连词的用法: 1.作“在…期间，当…的时候”引导时间状语从句.注意与when、 while的用法区别。 ①下列情形时,只用as, 而不用when或while。 1)用于表示同一个人的两种动作交替进行,指一边----一边. 如: The girl sings as she goes to school. He looked behind occasionally as he went forward in the forest. 2)表示两个同步发生的动作或行为,意思是随着…的发展.如: As time went on / by, she became more and more beautiful. As children get older, they become more and more interested in everything. 3)表示两个短暂行为或事情几乎同时发生.如:I watched her as she read the book. I thought of it just as you opened your mouth. Just as the flying worm hit her face, she gave a loud cry. 4)接名词表示某一个年龄段时.如: As a young man, he was active in sports. As a little boy (When he was a little boy) he began to learn to play the piano. ②when作"当„„的时候"解,可以指较短的(一点)时间,也可指一段时间。 如:When I was at college, I could speak several foreign languages. When the clock struck twelve, I had slept for 2 hours. I was wandering through the street when I caught sight of a tailor’s shop有意料之外的意思 ③ while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时 如:Work while you work. Play while you play. Strike while the iron is hot趁着 2. As =Since 作"既然"、"由于"解,常用来表示已为人们所知或显而易见的原因或理由。 如: As he’s been ill for ages, I will help him. As / Since you're not feeling well, you may stay at home. As he wasn't ready, we went without him. 3. As =in the way that作"像"、"按照„„的方式"解,引导方式状语从句。如: Do as I told you. Remember, you must do everything as I do. Take the medicine as directed. Maglev trains don’t make much noise, as planes do. When at Rome，do as Romans do.入乡随俗 As in your country，we grow wheat in the north and rice in the South. 4. 用于as--- as或not / so/ as ---- as中,前一个as是副词,后一个as是连词,引导比较状语从句。如:They helped the old as much as possible. I don't speak English so/ as well as she does. 5. 表示虽然,尽管 等,引导让步状语从句,常用倒装语序,模式为: adj. /adv. / n.+as +主语+谓语+主句。如: Tired as they were, they walked on. Child as he is ，he knows a lot.Fast as he ran，he didn't catch the bus.Much as I respect him, I won’t do as suggests. Try as you may, you might fail again Try as he might，Tom could not get out of the difficulties. 6. 表示也------一样。 She is a doctor, as was her husband. (二)、 as作关系代词,引导定语从句,表示正如,这一点.如: He is very careful, as we all know. As is well-known, Taiwan belongs to China. 另外,当先行词被the same, such, so等词修饰时,常用as来引导定语从句。如: Such a clever girl as she can learn anything quickly. He wished to be such a man as Lei Feng was. I was reading the same book as he bought yesterday. This book is not such as I expect Note: He took the police back to the same place where he witnessed the robbery (三)、as作介词的用法. 1.表示好像。如:He dressed as a policeman. They got united as one man. 2. 表示作为当作。如：I found a job as a guide. 3. 当某人是某身份时。如：As a child , she was sent to abroad. 4. as引导的介词短语大多用作状语,as译为"作为";少数情况可引起宾语补足语。如: As a Party member, I'll take the lead in everything. (状语) She works as a model. (状语) She has me as one of her best friends.(引起宾语补足语) (四)、作副词的用法 1 表示与------等同。如：This dress is twice as expensive as that one. 2 像，如等。As before, he remained unmoved. He doesn't speak English as/so fluently as you. (3)英语中有很多表示比较的成语。 as black as coal as blind as a bat as brave as a lion as bright as day as busy as a bee as cold as ice as easy as ABC as fat as a pig as hot as fire as light as air /a feather as like as two peas /beans as poor as a church mouse as rich as a Jew as sound as a bell状况极佳;十分健康 as fit as a fiddle as strong as a horse as stupid as a donkey as sweet as honey /sugar as white as snow as red as blood as bright as a button as wise as Solomon (五)含as的固定词组的用法 1.As soon as I get to Beijing，I'll write to you.我一到北京，就给你写信。 2.as/so long as作“只要”解，eg; As/So long as you study hard，you'll make progress. 比较：I've waited as long as two hours.我一直等了整整两小时。 3.as if/though常用来引导方式状语从句，作“好像，仿佛”解。如果从句中讲的是非 真实情况，则用虚拟语气。eg：She loves the child as if/though he were her own. As if/though也可用来引导表语从句，常用在“It looks/seems...+as if/though”句型结构中。It looks to me as if/though it is going to clear up.It seems as if/though he knew nothing about it. You look as though you slept badly. 4.as to作“关于，至于”解。eg;There is no doubt as to his honesty. 5.as much/many as“多达…”，“达到…之多”eg：He can earn as much as 5000 dollars a month. 6.As/So far as I know，he will come here next Monday.据我所知， 比较：We might go as far as the school and back.我们可以走到学校那边，然后回来。 7.She died as a direct result of the accident.表示“由于...的结果”。 8，as well为“也，还”之意。eg： Come early，and bring your brother as well. 9.so as to，表示目的so...as to表示结果。eg：He studied hard so as to pass the exam.他努力学习以便通过考试。(表示目的) 10.as a matter of fact实际上，事实上 As a matter of fact，I'm very fond of house work. 11.as follows如下 Our plan is as follows. 12.as for至于，说到 As for me，I shall never return there. 13.as good as几乎已经，实际已经 Everything was as good as settled.一切都差不多安排好了. She is as good as her words.她遵守诺言。 He as good as said I'm a liar. 他无异于说我撒谎。 比较：Your composition is as good as his.你的作文和他的作文一样好。 另外，还有以下习惯搭配，其翻译不能随便从字面来理解： (as) good as gold 表现很好的 (as) good as new 完好如新 as good as one’s word 守信 as good as pie 很好的，可爱的，讨人喜欢 (as) good as a play 非常有趣 14. as well as同样，和，也，而且 She called on you as well as I.不但我来看你，她也拜访了你。 She called on you as well as me. 她不但拜访了我，也拜访了你。 在下列句中，as well as表示“像„一样”的涵义：She as well as you is an English teacher. 她像你一样也是英文教师。 George hasn’t gone abroad as well as his brother. 乔治并没有和他兄弟一样出国去。(他兄弟一人出国) George, as well as his brother, hasn’t gone abroad. 乔治和他兄弟都没有出国。 1) as well as 可连接并列的单词或短语 前后两个动词的时态要一致。即：若第一个动 词是一般现在时，第二个动词也应是一般现在时;若第一个动词是一般过去时，第二个动词也应是一般过去时。例如： He publishes(published)as well as prints(printed)his own books.他的书是自己印刷并出版的。 2)如果第一个动词是复合时态，或由can，may， must等加动词构成时，as well as后面可省去助动词或情态动词，此时，as well as意为“既„„又„„”。例如： We are repairing the roof as well as painting the walls.我们在粉刷墙壁，同时也在修理屋顶。 She can /could sing as well as dance.她既会跳舞也会唱歌。 3)如果第一个动词是不定式，as well as后面的动词也要用不定式，但要去掉to。例如： You can't expect her to do the housework as well as look after the children.你不可能叫她既照管孩子又做家务。 ⑷注意as well as的另外两层涵义：1)as well as还有“除„„之外”之意。例如： As well as knowing some Russian，she speaks English very well.除了懂得一点俄语之外，她的英语讲得很好。 比较：He can speak English as well as she does.他和她英语讲得一样好。 15.as many /much /deep /large，ect.as达……程度，多/深/大……达 As early as his second film，Chaplin had developed his own manner of acting. 早在他第二部电影中，卓别林就形成了自己的表演风格。 The well is as deep as eight metres.这口井深达八米。 16.as usual像平常一样 She would go homeas usual for Christmas. 17.such as像……之类，例如 He knows a lot of poets ，such as Shelley and Byron. 18.may(might /could)as well不妨，不如 You may as well wait upstairs. you might as well throw the money into the sea as lend it to him. 19. as a rule作为一个常规,通常,习以为常?As a rule, we keep records on all the experiments so that we may have enough data. 20. As a whole作为一个整体(来看)?We should analyze the problem as a whole. 21. As above如上?It has been explained as above.? 22. as…as ever像往常一样……She works as hard as ever.她工作一贯努力。? 23. as it is (was)①在句首,“但在实际上”;②在句末,“照原来样子”。As it was, we did help them.事实上,我们的确帮了他们。?Leave the things as they are.别动这些东西。? 24. as matters stand按目前情况来说 As matters stand, he does not like to make the plan public.就目前情况而论,他不愿公开那个计划。 AS用法总结 一、用作连词的as 1. 引导时间状语从句，表示“当……的时候”，其用法与when和while类似。例如：As a child (When he was a child), she was sent to six different schools.此用法中as多表示从句与主句动作同时进行，意为“一边……一边……”，一般不与状态动词连用。例如：She sang songs as she did her homework. as 还可以表示一动作紧接着另一动作发生，说明另一动作的结果，有“随着……”的含义。例如：As time went by, we found he was an honest man./As he grew older, he lost interest in everything except gardening. 例1 It wasn’t until nearly a month later________ I received the manager’s reply. A. since B. when C. as D. that 解析：本题的as中与when一起作为干扰项，容易使考生往时间状语从句上思考，事实上本题是强调句，正确选项是D。 2. 引导原因状语从句，表示“由于，因为”，相当于because, 但通常置于句首。例如： As he is a qualified doctor, I trust his advice on medical matters. 例2 _____ modeling business is by no means easy to get into, the good model will always be in demand. A. While B. Since C. As D. If 解析：本题中as干扰性很强，很多考生误以为是原因状语从句，但仔细分析不难发现正确答案应是A(while表示“只要”)。 3. 引导让步状语从句，通常可与although或though通用，但语序不同，although或though用于句首，as用于倒装结构。例如：Young as I am, I already know what career I want to follow. /Although(或Though)I am young, I already know what career I want to follow. as 表示让步用于倒装结构，通常将从句的表语、状语或动词前置。如果表语有冠词a/an, 需去掉。例如：Great scholar as he is, he is lacking in common sense./Much as I like you, I couldn’t live with you. 例3 _____ he has limited technical knowledge, the older worker has a lot of experience. A. SinceB. Unless C. As D. Although 解析：as 虽然有引导让步状语从句用法，但本题不是倒装结构，故正确答案应是D。 4. 引导方式状语从句，表示“如，像”。例如：When in Rome, do as Romans do./Do to others as you would have others do to you. 例4 We wanted to get home before dark, but it didn’t quite ________ as planned. A. make outB. turn out C. go onD. come up 解析：本题考查动词词组辨析，题干中的“as planned”给同学们提供了重要信息，答案选B。 5. 固定句型：“主句，as +be/do+主语”表示“也一样”。例如：She’s unusually tall, as are both her parents./He’s a doctor, as was his wife before she had children. 二、用作介词的as 1.表示“如，像”。例如：They got united as one man./She spoke of me as her dearest friend. 2.表示“作为、当作”。例如：As a League member, you should think more of others. 3.与某些动词搭配，表示“把……当作……”，如：look on…as…, regard…as…, treat…as…, consider…as…, think of…as…, see…as…等。其中consider…as…中的as可以省略。as与famous或known搭配，表示“作为……而出名”。 例5 Linda worked for the Minnesota Manufacturing and Mining Company, ________ as 3M. A. knowingB. known C. being knownD. to be known 解析：如果熟悉be known as这一短语，运用有关非谓语动词的常识，可选出正确答案B。 三、用作关系代词的as 1. 引导限制性定语从句，先行词前通常有as, so, such, same等修饰语。例如：He will marry as pretty a girl as he can find./My hometown is no longer the same as it used to be./As many people as are present will be given a present.在此种用法中，同学们要注意与结果状语从句的区别。比如：A: The teacher asked us such a difficult question that none of us could answer it. B: The teacher asked us such a difficult question as none of us could answer.A句为结果状语从句，而B句则是定语从句。 2. 引导非限制性定语从句，用来指代整个主句(即先行句)，表示“这一事实，那一情况”。从句可以位于句首、句中或句末。例如：We stand when the national anthem is played, as is the custom. 例6 ______ I explained on the telephone, your request will be considered at the next meeting. A. When B. After C. As D. Since 解析：根据句意，选项C是正确答案。as表现的正是本点所讲用法。 四、用作副词的as 修饰形容词或副词，表示程度，意为“同样地”。例如：He swims fast, but I swim just as fast. 但它通常构成表示比较的结构“as„as„”，“not as„as„”。此结构中第一个as是副词，第二个as是连词。否定结构中的副词as可以由so代替。as„as possible /one can也属于此用法。例如：It is generally believed that teaching is as much an art as it is a science. 五、用在习语中的as 由as构成的习语很多，常见的有：as soon as “一„„就”，引导时间状语从句;as/so long as “只要”引导条件状语从句;as if/though “好像，仿佛”，引导方式状语从句或表语从句;as to/ as for “至于，就„„而言”;as much/many as“多达„„”;as/so far as “就„„的限度”;as a result，as a result of “(由于„„的)结果”;as a matter of fact“事实上”;as well “也、还”;A as well as B“不但A而且B”;as it is“照现状看，看样子”，等等。这些习语在高考中可能经常遇到，在高考题中有的作为正确选项，有的作为干扰项，有的出现在题干，值得同学们认真掌握。例如： 例9 I would like a job which pays more, but ______ I enjoy the work I’m doing at the moment. A. in other wordsB. on the other hand C. for one thing D. as a matter of fact 解析：选项D极具干扰意义，但进一步研读会发现本题中的两个分句表达了一件事的两个对立面，故选B。 例10 ——People should stop using their cars and start using public transport. ——______. The roads are too crowded as it is. A. All right B. Exactly C. Go aheadD. Fine 解析：本题选项中虽没有as内容，但题干中的as it is却是解题的关键信息，正确选项为B。
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