关于as的用法 as怎么使用
as只有作副词、介词、连词、代词等四大用法，具体用法如下：
一）as作副词，表示程度，意为“同样地”。在“as．．．as．．．”，“not as．．．as．．．”结构中的第一个as是副词，作“和／与．．．(不)一样”解。eg：Jack is as tall as his father．杰克和他的父亲一样高。He doesn't speak English as／so fluently as you．他的英语说得不如你流利。二）as作介词。1．作“如，像”解。eg：They got united as one man．他们团结得像一个人一样。2．作“充当，作为”解。eg：As a writer，he was famous．作为作家，他是很有名的。三）as作连词，常用来连接主句和状语从句。1．引导时间状语从句，作“当．．．的时候”解，有“随着．．．”之意，与while意义相近，强调两个动作同时发生；或某事一发生，另一事立即发生。eg：He shouted aloud as her ran along．他一边往前跑，一边高声地呼喊。I was startled as he opened the door．他一开门，我吓了一跳。as作连词，相当于when。eg；As a little boy (When he was a little boy)he began to learn to play piano．他小时候就开始学弹钢琴。2．引导原因状语从句，作“因为，由于”解，与because的用法相近。eg；I must stop writing now，as I have rather a lot of work to do．我必须停笔了，因为我还有许多工作要做。3．引导方式状语从句或比较状语从句，作“正如，(如)像”解。例eg：As in your country，we grow wheat in the north and rice in the south．正如(像)你们国家一样，我们在北方种小麦，在南方种大米。(方式状语从句)When at Rome，do as Romans do．入乡随俗。(方式状语从句)4．引导让步状语从句，作“虽然，尽管”解。这时从句常用倒装语序，即把从句中的表语、状语或动词原形放在as之前。eg；Strange as it may seem，it is true．尽管这事看上去很奇怪，但却是真的。Try as he might，Tom could not get out of the difficulties．不管怎样努力，汤姆还是摆脱不了困境。四）as作关系代词。1．引导限制性定语从句，用在“such．．．as”,“the same．．．as”，“as．．．as”等结构中，常译作“像．．．一样的人(或物)”，“凡是．．．的人(或物)”。例eg：He wished to be such a man as Lei Feng was．他曾希望做一个像雷锋那样的人。My hometown is no longer the same as it was．我的家乡再也不像过去一样了。2．引导非限制性定语从句，用来指代它前面的整个句子(即先行句)，意思是“这一点”。这个分句可以位于句首、句中或句末。eg：As is well known，oceans cover more than 70％ of the earth．我们知道，海洋占地球面积的百分之七十以上。
扩展资料：
缩写为AS的单词
1. =Anglo-Saxon 盎格鲁-撒克逊人;盎格鲁-撒克逊语;盎格鲁-撒克逊人的;盎格鲁-撒克逊
语的
2. =antisubmarine 反潜艇的
3. =Asia 亚洲;亚细亚
4. =Asian 亚洲的;亚洲人;亚洲人的
参考资料来源：百度百科：AS
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。
五：缩写词abbr：
1. =Anglo-Saxon 盎格鲁-撒克逊人;盎格鲁-撒克逊语;盎格鲁-撒克逊人的;盎格鲁-撒克逊语的
2. =antisubmarine 反潜艇的
3. =Asia 亚洲;亚细亚
4. =Asian 亚洲的;亚洲人;亚洲人的
六，前缀:=ad 用于s前
扩展资料：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。
参考资料：百度百科-AS
其否定式为not as/so +adj./ adv. +as。 This dictionary is not as/so useful as you think. 这本字典不如你想象的那样有用。 I never went through a final exam that was as difficult as that one. 我从来没有碰到过像那次那么难的期末考试。 There was no obvious reason why this could not be as good a film as the original. 找不出明显的理由来解释为什么这部片子拍得不如原先的好。
若有修饰成分，如twice, three times, half, a quarter等，则须置于第一个as之前。 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...as possible Please answer my question as soon as possible. 请尽快回答我的问题。 You ought to rest as much as possible. 你应该尽可能多地休息。
若有修饰成分，如twice, three times, half, a quarter等，则须置于第一个as之前。 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...as possible Please answer my question as soon as possible. 请尽快回答我的问题。 You ought to rest as much as possible. 你应该尽可能多地休息 (2)as...as usual/before She looks as pretty as before. 她看起来和以前一样漂亮。 (3)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。 (4)as far as He walked as far as the railway station yesterday evening. 昨天傍晚，他一直散步到火车站。 (5)as well as She cooks as well as her mother does.她烧菜烧得跟她母亲一样好。 (6)as little as You can look forward to a significant cash return by saving from as little as £10 a month. 只要每个月存下区区10英镑，你就有希望得到相当可观的现金收益。 (7)as many as She gets as many as eight thousand letters a month. 她一个月里收到的信件多达8,000封。 (8)as much +不可数名词+as 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。 (9)as much as I ate as much as I could. 我尽可能得多吃。 (10)as early as I left as early as it was consistent with politeness. 我在不失礼的情况下提前离去了。
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。 (9)as much as I ate as much as I could. 我尽可能得多吃。 (10)as early as I left as early as it was consistent with politeness. 我在不失礼的情况下提前离去了。 I mailed the letter as early as Friday. 我早在星期五就把信寄了 She became a film star as early as 1942. 她早在1942年就成了电影名星了. 一些带有as...as结构的常见短语归纳： as busy as a bee像蜜蜂一样忙碌 as easy as ABC像ABC一样容易 as deep as a well像井一样深 as light as a feather像羽毛一样轻 as soft as butter像黄油一样软 as rich as a Jew像犹太人一样富裕 【2】as用作连词引导时间状语从句 s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。It was snowing when he arrived at the construction site. 他到达工地时，天正在下雪。 He was watching TV while his mother was cooking. 他母亲做饭时他在看电视。
【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"。 He will succeed because he is in earnest.他一定会成功，因为他很认真。 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。
【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。 Although he is quite old, he still jogs every day. 他虽然年纪相当大，仍然每天慢跑。 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。
【5】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。
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。 【5】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。 (2) as单独引导定语从句as单独引导非限制性定语从句时，先行词可以是一个词，也可以是一个句子或短语。 As you can see, we're still working... 如你所见，我们仍在工作。 We were sitting, as I remember, in a riverside restaurant. 我记得我们当时是坐在一个河畔的餐馆里。
【6】引导方式状语从句 I'll behave toward them as I would like to be treated... 我会以希望别人对待我的方式来对待他们。 When in Rome,do as the Romans do. 入乡随俗。
I am not so strong a man as I was. 我已经没有从前那么强壮了。 (2) as单独引导定语从句as单独引导非限制性定语从句时，先行词可以是一个词，也可以是一个句子或短语。 As you can see, we're still working... 如你所见，我们仍在工作。 We were sitting, as I remember, in a riverside restaurant. 我记得我们当时是坐在一个河畔的餐馆里。 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) 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) 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。 【6】引导方式状语从句 I'll behave toward them as I would like to be treated... 我会以希望别人对待我的方式来对待他们。 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。
【7】as作介词的用法 as作介词，意思是"作为"，"以……身份"。 He came to China as a tourist five years ago. 他五年前以游客的身份来过中国。 He has worked as a diplomat in the US, Sudan and Saudi Arabia... 他曾任驻美国、苏丹和沙特阿拉伯的外交官。
【8】as作副词的用法 as 作为副词，意思是"相同地"，"同样地"。
They don”t have as many airplanes. 他们没有同样多的飞机。 She is as tall as her mother. 她和她母亲一样高。
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