as引导的让步状语从句
as的用法例句
as的用法例句as英语单词有三种使用方法：①.连词conj. 因为；随着；虽然；依照；当…时；②.介词prep. 如同；当作；以…的身份；③.副词adv. 同样地；和…一样的。
下文将对as引导各类从句进行汇总，并具体总结出其特性，及例句：一、as引导原因状语从句as表示“因为”，与because相比，较口语化，所表达的原因语气较弱，所表的原因比较明显，或是已知的事实。
例1：As the weather is so bad, we have to delay our journey.因为天气太糟糕，我们不得不推迟旅行。
例2：Any new source of energy will be very welcome, as there is already a shortage of petroleum.任何新型能源都将大受欢迎，因为石油已经出现短缺。
二、as引导方式状语从句as表示“按照”，“以……方式”，“像……一样”，“正如”。
例：Do as the Romans do when in Rome. 入乡随俗注：as在引导方式状语从句时，还常出现在一个固定的类比结构中：(just) as …, so…。
这一句型表示类比，基本含义是“正如……，所以……”。
例：Just as virtue is its own reward, so is vice its own punishment.善有善报，恶有恶报。
三、as引导让步状语从句as可以表示“尽管”，“虽然”，引导让步状语从句，但必须构成倒装。
让步状语从句倒装规则有两类：1、动词原形+as+主语+助动词（may/might, will/would,can/could, do/does/did），主句。
例：Try as we may, we cannot sense directly the television signal sent out from the broadcast station.尽管我们费了很大的劲，也无法直接觉察发射台发出的电视信号。
资料(8)--as让步状语从句
资料(10) -- as让步状语从句I 知识准备: 让步状语从句是一种条件状语从句, 由though, although, as even if / even though, -ever (whatever, however, wherever, whenever, etc), no matter wh- (no matter what, no matter how, no matter where, no matter when etc.)等引导的让步状语从句II as让步状语从句: as引导让步状语从句, 要用部分倒装结构, 形式如下:1形容词(包括形容词化了的过去分词和形容词化了的现在分词) + as + 主语+ 系动词。
如:Clever as he is (虽然他很聪明), he doesn’t put his heart into his research. (as)Tired as he is, he offers to help me. 尽管他已经很累了, 他还是主动提出帮助我。
Well-written as the book is, the author is not satisfied and prepared to revise it.尽管这本书写得很好, 作者还是不满意并打算修改它。
在美式英语中，可写成：As clever as he is, he doesn’t put his heart into his research. (as)As tired as he is, he offers to help me.As well-written as the book is, the author is not satisfied and prepared to revise it.2名词+ as + 主语+ 系动词/ 动词。
如:Student as he is, he does not study hard. 他虽然是个学生，却不努力学习。
as引导让步状语从句时的倒装
as引导让步状语从句时的倒装as作“虽然”解，引导让步状语从句时，必须将表语、状语或动词原形提到as前面。
经常遵循“形容词/副词/（不带冠词的）名词/动词原型＋as/though＋主语＋谓语”结构。
（though有时也可像as这样使作倒装。
）如：Tired as I was, I tried to help them.虽然我很累，我还是努力帮助他们。
Try as he would, he couldn’t open the door.他试过多次了, 却仍打不开那门。
Search as they would, they would find nobody in the house.无论怎样搜查，他们在房子里仍然没有找到一个人。
Hard as (though)they tried, they couldn’t make her change her mind.尽管他们做了很大努力，却没法让她改变主意。
Boy as he was, he behaved like a girl.他虽是个男孩，但举止却像个女孩。
“疑问词+ ever ”可分为两类，“疑问代词+ ever ”：whatever / whichever / whoever （宾格whomever ）和“疑问副词+ ever ”：wherever / whenever / however.不论是“疑问代词+ ever ”还是“疑问副词+ ever ”，其意义都是“不管/ 无论+ 该疑问词的本义”。
1.“疑问代词+ ever”可引导两种类型的从句，即让步状语从句和名词性从句（主语从句、宾语从句）。
（1）引导让步状语从句。
此时whatever / whoever / whichever 分别等于“no matter + what / who / which”。
例如：Whoever says so, it is wrong.= No matter who says so, it is wrong.注意：这类从句中应用一般现在时表将来，从句中也常用情态动词may / might .（2）引导名词性从句。
As 引导让步状语从句
As 引导让步状语从句，意为“尽管，虽然”，常可将作表语或作状语的形容词，名词，副词以及青苔动词或助动词之后的动词原形提到句首，构成倒装形式。
注：将作表语的名词提前时不能用冠词。
1.G irl as she is, she is braver than a boy.=Though she is a girl, she is braver than a boy.2.S mart as she was, he was not able to solve the problem.3.T ry as he might, he couldn’t get out of the difficulties.4.C lever as he is, he doesn’t study well.句型：1.（零冠词+单数可数名词+as+主语+be+其他成分）Child as he is, he knows a lot.2. 形容词，过去分词+as+主语+be+其他成分）Surrounded as we were by enemy, we managed to march forward.Yong as he is, he is quite experienced in the work.3. 副词+as+主语+谓语+其他Many times as she had failed, she didn’t give up her plan.4.谓语动词+as+主语+助动词，情态动词+其他Fail as I did, I would try again.注：当状语从句的主语是动词时候，一般全全部倒装。
Difficult as was the task, it was finished in time.Dark as was the night, he still found his way to my home.If only 要是…多好1，If only he had been here.2，I dread the coming exams, if only I could have time to review my lessons.Only if 只有当….(只是在….时候)The company will succeed only if it has sufficient banking.Only if I get a job will I have enough money to go to school.1. multimedia equipment2. multipurpose furniture3. multifunction cell phone4. a multi-storey car park5. a multicultural curriculum6. a multi-subject dictionary7. a multi-channel television set8. a multinational society1.such a shy boy2.such a well-written report3.such a long time4.so many people5.so firmlyTranslation1.Cultivating the right emotions isindispensable in that/because it lays thefoundations for the success of one’sfuture work and studies.2.West China is crying out for talentedpeople for its development. To this end,the government has laid down/madefavorable policies, calling for morecollege graduates to go and work there. 3.How can you turn your back on mewhen I am in such difficulty? We havegone through trials and tribulations forpratically half a century。
As引导的各种从句归纳
As带领的从句之阳早格格创做一、As带领让步状语从句为了帮闲共教们周到掌握让步状语从句的倒拆用法，本文将那类语法局里归纳为以下五种句型：1、名词汇+ as / though +主语 +动词汇King as he was，he was unhappy. 他虽是国王，然而他本去不幸运.Child as he is，he knows to help other. 他虽是个孩子，却知讲帮闲他人.【证明】其中的动词汇常常为结合动词汇，也便是道位于句尾的名词汇是其后结合动词汇的表语.其余，要特天注意位于句尾的名词汇前习惯上不必冠词汇，纵然其前有形容词汇建饰也不必冠词汇.比较：Boy as ［though］ he is， he likes to play with girls.=Though he is a boy，he likes to play with girls. 他虽是男孩，却喜欢与女孩子玩.Strong man as ［though］ he is，General Botha has been severely put to the test during the past few weeks.= Though heis a strong man， General Botha has been severely put to the test during the past few weeks. 波赛将军虽然脆强，然而正在往日的数周里也受到了宽峻的磨练.2、形容词汇+ as / though + 主语 + 动词汇Successful as he is，he is not proud. 他虽然乐成，然而不骄傲.Improbable as it seems，i t’s true. 虽然瞅起去不太大概，然而却是果然.Stupid as it sounds，I was so in love with her that I believed her. 纵然听起去很笨笨，尔是如许爱她竟然疑赖了她的话. Patient as he was，he didn’t like waiting that long. 他虽道有耐性，也不肯等那样少.Beautiful though the necklace was，we thought it was over-priced. 那条项链虽然很漂明，咱们认为价钱太下.【证明】其中的动词汇也常常为结合动词汇，也便是道位于句尾的形容词汇是其后结合动词汇的表语.3、副词汇+ as / though + 主语 + 动词汇Much as I like Paris，I couldn’t live there. 纵然尔喜欢巴黎，然而尔不克不迭住正在何处.Hard though they tried，they couldn’t make her change her mind. 纵然他们干了很大齐力，却出法让她改变主意.Fast as you read，you can’t finish the book in two days. 纵然您读得很快，您总不克不迭正在二天之内便读完那本书籍.He was unable to make much progress，hard as he tried. 纵然他干了齐力，却已能博得很大先进.【证明】有的词汇典将 much as 动做习语瞅待，认为它是一个用以带领让步状语从句的复合连词汇.再如：Much as I admire him as a writer，I do not like him as a man. 他动做一名做者尔很佩服他，然而尔却不喜欢他那部分.Much as I like you，I couldn’t live with you. 尔纵然很喜欢您，却不克不迭战您正在所有死计.4、动词汇本形+ as / though + 主语 + 动词汇Object as you may，I’ll go.纵使您阻挡于，尔也要去.Try as he might，he couldn’t solve the problem. 纵然他念圆设法，却已办理那个问题.Search as they would，they would find nobody in the house. 无论何如搜查，他们正在房子里仍旧不找到一部分.Dislike him as we may，we must acknowledge his greatness. 纵然咱们不喜欢他，然而必须启认他的伟大.Lose money as I did，we got a lot of experience. 钱虽然拾了，咱们却得到了许多体味.Fail in the election as he did，he became famous for his fiery speech against slavery. 纵然降选了，然而他却以其阻挡于仆隶造的猛烈演道而出了名.【证明】主语后的动词汇常常为 may，might，would，did 等情态动词汇或者帮动词汇(若表示情态意思，则采用情态动词汇；若报告究竟，则用 did，do 等帮动词汇).5、分词汇+ as / though + 主语 + 动词汇Raining hard as it is，I’m going out for a walk. 虽然正正在下着大雨，尔仍旧要进去集步.Surrounded as we were by the enemy，we managed to march forward. 虽然咱们被仇人包抄着，然而咱们仍旧设法前进了.Munching the apple as he was，he had got an eye for all John’s movements. 他纵然正在一个劲天嚼着苹果，然而仍警告着约翰的一举一动.6、补充证明1）那类倒拆的让步状语从句可用as， though去带领，不克不迭用 although 去带领；然而是，已倒拆的让步状语从句却可用though， although去带领，而不克不迭用as 去带领.也便是道，although带领让步状语从句时不克不迭倒拆，as带领让步状语从句时必须倒拆，而 though带领让步状语从句时不妨倒拆也不妨不倒拆.如：虽然很早了，然而咱们仍旧继启处事.正：Late as ［though］ it was，we still went on working.正：Though it was late，we still went on working.误：Late although it was，we still went on working .误：As it was late，we still went on working.2）上头提到的倒拆结构偶尔也可用去表示本果，区别的办法主要瞅句子的真质：让步从句的真质大普遍与主句正在意思上差异，而本果从句则与主句之间有果果闭系.比较：Tired as he was，he sat up late studying at night. 昨早他虽然很疲倦了，然而仍旧教习到很早才睡.(表让步)Tired as he was，he went to bed early. 果为很乏，所以他睡得很早.(表本果)Young as he was，he was equal to the task. 他虽年少，却能胜任那项处事.(表让步)Young as he was，he was not equal to the task. 他果为年少，所以不克不迭胜任那项处事.(表本果)3）正在好国英语中，人们通时常使用 as...as 带领让步状语从句.如：Cold as it was， we went out.=As cold as it was， we went out. 纵然天气热，咱们仍旧进去了.Successful as he is， he is not proud.=As successful as he is，he is not proud. 他虽乐成了，然而不骄傲.二、as 带领定语从句as 的用法:(as 带领定语从句, 正在定语从句中做主语、宾语、表语)(一) 如为节造性的，多用于the sam e …as ; the same as；such …as …; as many/much as；so …as等结构中.如：1. I have the same book as you (have). 尔有一本战您的一般的书籍.Her attitude to him was quite the same as it had always been. (闭系代词汇as战指示代词汇same连用, 正在从句中用做表语, 先止词汇是same.)2.---Why didn't you mention that in face of the police just now?--- I thought it was such a minor detail as was hardly worth mentioning.We will only discuss such problems as have something to do with our own interests.Don't do such things as you are not sure about.There is no such place as you dream of in all this world.比较：I live in the same house that he used to live in.I'm wearing the same shirt as you wore yesterday.比较：Here is so big a stone as no one can lift. （定语从句）Here is so big a stone that no one can lift it.（截止状语从句）(二) 如为非节造性的，多单独带领一个定语从句，那种定语从句可置于句尾，句中或者句尾，译为"正如，那一面".（动词汇常为know, see, expect, point out, etc.）1. As we all know, smoking is harmful to one's health . (as 做宾语)=As is known to all, smoking is harmful to one's health . （as 做主语）=It's known to all that smoking is harmful to one's health .或者:Smoking is harmful to one's health , as we all know .（as 做宾语）或者: Smoking, as we all know, is harmful to one' health.2.He was a foreigner, as I knew from his accent. (宾语, 先止词汇是前里所有句子)当先止词汇被the same所建饰时，闭系词汇既不妨用as，也不妨用that.正在表示简曲真物时，偶尔二者有一定的辨别.普遍道去，表示共一种类多用as，表示共一真物多用that.如：This is the same instrument that I used yesterday. 那便是尔今天用过的那台仪器.This is the same instrument as I used yesterday. 那台仪器跟尔今天用过的那台一般.正在抽象观念上，共种类战共一真物是不千万于区别的，所以二个词汇可换用：I have the same opinion as / that you have.那里要注意的是：（1）使用as时，它带领的定语从句中的动词汇不妨简略，然而使用that时，定语从句中的动词汇不可简略.如：Women received the same pay as men.Women received the same pay that men received.(2) 正在“the same…that”结构中，that不过用去加强语气，强调“相共”.that不妨省去而不改变句子本意，以至连名词汇前的same也不妨省去.如：This is the same instrument that I used yesterday.= This is the same instrument I used yesterday.= This is the instrument I used yesterday.然而正在“the same…as”结构中，same战as皆不克不迭简略.(3) 当“the same…that”结构中的that动做闭系副词汇用时，不不妨曲交与as互换.如：He lives in the same building that I live.= He lives in the same building as / that I live in.Shall we meet at the same place that we last met?= Shall we meet at the same place that / as we last met at?7. 当先止词汇前有such, so, as时，闭系词汇应当用as.如：A wise man seldom talks abo ut such things as he doesn’t understand.He spoke in such easy English as everybody could understand.At this time of the day, all buses and trolleys have to carry as many passengers as they can.It is so easy a book as every schoolboy can read.Let’s disc uss such things as we can talk of freely.另需注意：This book is written in such easy English as beginners can understand.（定语从句）This book is written in such easy English that beginners can understand.（截止状语从句）。
英语学习：as引导的五种状语从句
【导语】状语从句（Adverbial Clause）状语从句指句⼦⽤作状语时，起副词作⽤的句⼦。
它可以修饰谓语、⾮谓语动词、定语、状语或整个句⼦。
根据其作⽤可分为时间、地点、原因、条件、⽬的、结果、让步、⽅式和⽐较等从句。
欢迎阅读©⽆忧考⽹为⼤家精⼼整理的as引导的五种状语从句！欢迎阅读学习！更多相关讯息请关注©⽆忧考⽹！1. as表⽰“当……的时候”，引导时间状语从句，多强调主句和从句中的动作或状态同时发⽣，从句可放在主句前，也可放在主句后。
例如：As I waited at the stop， I heard a big noise. 当我在车站等车的时候，我听到⼀个很⼤的声响。
She rose up as he entered. 当他进来时，她站了起来。
2. as表⽰“因为”、“由于”，引导原因状语从句，其语⽓不如because强，通常为附加说明的理由，且是已知晓的原因，主句与从句没有逻辑上的因果关系。
例如：As she was not well, I went there alone. 因为她⾝体不好，所以我独⾃到那⾥去了。
As he is a tailor, he knows what to do with this material. 由于他是个裁缝，他知道怎样利⽤这块布料。
3. as表⽰“虽然……但是……”，引导让步状语从句，从句通常⽤倒装语序，把从句的表语、状语或动词原形放在as前⾯，可以⽤though替代。
例如：Child as he is, he knows a lot. 虽然他是个孩⼦，但他知道的东西很多。
Hard as it was raining， they went on working in the field. 虽然天下⼤⾬，但他们继续在⽥地⾥⼲活。
4. as表⽰“按照”、“依照”、“像”，引导⽅式状语从句，从句置于主句之后。
例如：You should do as the teacher tells you.你应当依照⽼师所说的去做。
as引导让步状语从句
as引导让步状语从句一、让步状语从句1.让步状语从句是让步关系上存在的句子，是对前述假设以及某种理论的怀疑或者认可。
它是句子开头以as, though, though等引导词开头的句子，起到让步作用。
2.让步状语从句既有从属连接词，也有让步引导词。
连接词有although, even though, though, no matter how, whatever, as if / though等，它们与主句之间存在让步关系，后面的子句内容通常具有比较宽泛的话语内容，表达的意思是对前文论述的一种补充和拓展。
3.让步状语从句在书面语中也经常使用，特别是在文体散文中。
通过让步的方式来表达作者的思路更加流畅，还能让文章显得更饱满，丰富文章的内容。
二、让步状语从句使用方法1.让步状语从句一般放句子开头，来表达让步的比较关系，例如：Though it rains，we will not cancel the open-air party。
这个句子表达的是：尽管下雨，我们仍不会取消露天聚会。
2.让步状语从句也可以放句子的末尾，形成前后的让步关系，例如：We will not cancel the open-air party though it rains. 这个句子表达的意思是：虽然下雨，我们仍不会取消露天聚会。
3.让步状语从句在一个复合句中也可以运用，它多用于对前文从属性质的表述，来强调某一论点，丰富前文。
例如：He started off energetically, as though eager to finish the job quickly. 这个句子意思是：他精力旺盛地开始，好像渴望迅速完成工作，三、让步状语从句拓展用法1.让步状语从句也可以用于表达某种僵硬的情形，用于表达故意的或是与自身无关的情况。
例如：As though I didn't care about the love, I told him the truth. 这句子表达的意思是：尽管我似乎不在乎，我还是告诉了他真相。
as的用法归纳
as的用法归纳
“as”是一个英语连词，具有多种用法。
以下是“as”的用法归纳：
1、引导时间状语从句：as表示“当……时候”，“随着……”，“一经……就……”，强调主句和从句中的动作或状态同时发生或进行。
例句：As time goes by, I grow more and more confident. 随着时间的推移，我变得越来越自信。
2、引导原因状语从句：as表示“因为”，与because相比，语气较轻。
例句：As it was getting dark, we decided to stay in the hotel. 因为天色渐渐暗了，我们决定在旅馆里待着。
3、引导方式状语从句：as表示“以……方式”，“像……一样”。
例句：She looks at the world as if she were the only person in the world. 她看待世界的方式就像她是世界上唯一的人一样。
4、引导让步状语从句：as表示“尽管”，“虽然”。
例句：Young as he is, he knows a lot. 尽管他很年轻，但他知道很多事情。
5、引导比较状语从句：as表示“与……一样”，“像……一样”。
例句：He is as tall as his father. 他和他父亲一样高。
6、作为介词：as还可以作为介词，表示“作为”，“以……身份”。
例句：He works as a teacher. 他作为一名教师工作。
综上所述，“as”是一个非常灵活的连词，具有多种用法。
掌握其用法可以更准确地表达思想和意义。
as引导的从句
As引导的从句一、As引导让步状语从句1、名词+ as / though +主语+动词King as he was，he was unhappy. 他虽是国王，但他并不幸福。
Child as he is，he knows to help other. 他虽是个孩子，却知道帮助别人。
【说明】其中的动词通常为连系动词，也就是说位于句首的名词是其后连系动词的表语。
另外，要特别注意位于句首的名词前习惯上不用冠词，即使其前有形容词修饰也不用冠词。
比较：Boy as ［though］he is，he likes to play with girls.=Though he is a boy，he likes to play with girls. 他虽是男孩，却喜欢与女孩子玩。
Strong man as ［though］he is，General Botha has been severely put to the test during the past few weeks.= Though he is a strong man，General Botha has been severely put to the test during the past few weeks. 波赛将军虽然坚强，但在过去的数周里也受到了严峻的考验。
2、形容词+ as / though + 主语+ 动词Successful as he is，he is not proud. 他虽然成功，但不骄傲。
Improbable as it seems，it’s true. 虽然看起来不太可能，但却是真的。
Stupid as it sounds，I was so in love with her that I believed her. 尽管听起来很愚蠢，我是如此爱她竟然相信了她的话。
Patient as he was，he didn’t like waiting that long. 他虽说有耐心，也不愿等这么长。
as的用法总结大全
as的用法总结大全as可以在句子中充当不同成分，是英语语法中非常常见的成分之一。
那么你知道as的用法有哪些吗？下面小编给大家整理了as的用法总结,希望大家喜欢!● as的用法1、as做介词，意思是“作为”例句：French is known as the most beautiful language in the world.法语以世界上最美丽的语言著称。
2、as做连词，引导时间状语从句，意思是“当……的时候”例句：My mother was cooking fish as I arrived home.当我到家的时候，我妈妈正在做鱼。
3、as做连词，引导原因状语从句，意思是“因为”例句：As rain has fallen, the air is cooler.因为下过雨，所以空气比较凉爽。
4、as做连词，引导让步状语从句，意思是“虽然”例句：Young as he is, he has been one of the most famous painters in our country.虽然他还很年轻，但已经成为我们国家最有名的画家之一。
5、as做连词，引导方式状语从句，意思是“以……方式”例句：Do as the Romans do when in Rome.入乡随俗6、as做关系代词，引导定语从句例句：This is the same game as I played yesterday.这和我昨天玩的游戏一样。
as相关短语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 soon ◎宁愿…，宁可… , ◎同样乐意，同样愿意(常用于 would，had 之后)[亦作as lief] , ◎同样高兴(或愿意) , ◎宁愿,宁可(与 would, had 连用)as soon as 一…就…as long as 只要;和…一样长as if 犹如，好似as much 也;同样多的as for 关于，至于as soon as possible 尽快as a whole 总的来说as far as adv. 至于，直到，远到;就…而言as of 自……起as though 好像;仿佛as being 就是;即像as early as 早在…的时候as usual 像往常一样;照例as good as 和…几乎一样，实际上等于…as per 按照，依据;如同as such 同样地;本身;就其本身而论● As 用法专练1.It is generally believed that teaching is ____ it is a science.A. much as an art asB. as much an art asC.an art as much asD.as much as an art2. _____ I admire David as a poet,I don’t like him as a man.A.Only ifB.If onlyC. As muchD.Much as3. ____ ,he talks a lot about his favourite singers after class.A.A quiet student as he may beB.Quiet student as he may beC.Quiet as he may be a studentD.As he may be a quiet student4.I wonder why you don’t do it as ____ and it’s the third time you have done so.A.told youB. be toldC. told toD. you told5.( 1) ___I explain on the phone,your request will be considered at the next meeting.(2)____ I explain on the phone is that your request will be considered at the next meeting.A. WhatB.WhenC.AfterD. As6.(1)That is ____ problem____can’t be worked out by anyof us .(2)That is ____problem____none of us can work it out.A.a such difficult , thatB.so difficult a ,thatC.such a difficult, asD.a so difficult ,as7.There were not so many jobs available ____ were asked for.A. thatB. whichC. whatD. as8.____ time went on,Einstine’theory_____ r ight.A. With, proved B As, be provedC.With, be provedD. As, proved9.He will surely finish the job on time ____ he’s left to do it in his own way.A.as ifB.even ifC.so long asD. so that10.Scientists generally agree that the earth’s climate will warm up over the next 50 to 100years____it has warmed in the 20,000 years since Ice Age.A.As long asB.as much asC.as long asD. as well as11.Do come to my party,and bring your sister____.A.as goodB.as a wholeC.as wellD.instead12.It’s useless trying t o argue with the sort of him.You might____ go and stand upon the beachand argue with the sea.A as wellB also C.as if D. as well as13.(1) We all passed the exam,but ___ him, he alone failed.(2) ____ running, learning English needs will.A. As/as withB. As/as toC.As/as forD.As/as if14.I thought things would get better, but ___ it is they were gettting worse.A before B.because C.as D.after15.All the gifts must be mailed immediately____ in time for Christmas.A in order to have received B.in order to receivedC.so as to be receivedD.so as to be receiving16(1)Look! The clouds are gathering. It looks as if it ______ (rain).(2)If you put a chopstick into water , it looks as if it _____(break)Answers:1-4 B D B C 5. DA 6.CB 7-10 D D C B11-12 C A 13.CA 14-15 C C16.1)is going to rain 2) were broken。
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as引导的让步状语从句
as引导让步状语从句通常是以倒装的形式出现，这是一种为了表示强调而引起的倒装结构。
在这种倒装结构中，把被强调部分放在as的前面，但整个句子的主谓顺序不变，所以这种倒装形式也称作“形式倒装”。
以下分几种情况进行说明。
形容词表语提前
例句1：Tough as the job is, we are supposed not to give it up.
虽然这份工作很辛苦，但是我们不能放弃。
注释：这句话本来应该是“the job is tough”，但是在as引导的让步状语从句中为了强调形容词表语“tough”所以将它放到句首，但是句子的主谓“the job is”的顺序没有变化。
名词表语提前
例句1：Child as he is, he has a glib tongue.
虽然他还是个孩子，但是他说话一向巧舌如簧。
注释：在as引导的让步状语从句中为了突出他还是个孩子，所以将名词表语“child”放到句首进行强调，句子的主谓顺序“he is”仍然保持不变。
副词状语提前
例句1：Hard as he works, he makes little progress.
虽然他工作很努力，但是几乎没取得什么进步。
注释：这里的副词“hard”是用于修饰动词“work”的，所以是状语部分。
在as引导的让步状语从句中为了表示强调，将其放在句首，句子的主谓部分“he works”顺序没有变化。
动词原形提前
例句1：Try as he may, he does not have much chance of success.
尽管他可能还会尝试，但是取胜的希望不大。
例句2：Fail as he did, he did not lose his heart.
虽然失败了，但是他没有失去信心。
例句3：Help as she always does to me, she never asks for anything in return.
虽然她总是帮我，但是她从来没有要求回报。
注意：值得注意的是使用as引导让步状语从句的这种结构时，对句子的谓语有一定要求。
一般只有句子时态是“一般现在时”“一般过去时”或者谓语部分“由情态动词加上动词原形”时才可以使用这种结构。
结语：
as引导的让步状语从句是高考的一个重要考点，也是as的用法中比较常见的一种。
由于平时的学习和阅读中很少被注意到，所以很多考生对于这种用法比较陌生。
希望考生能够结合本文所列举的知识点，进一步深入了解as的用法。