as as的用法总结例句4篇

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as…as表示同级比较，意为“和……一样”。例如：【第一篇】

①Mary is as tall as her mother.

玛丽和她母亲一样高。

② John plays basketball as well as Mike.

约翰打篮球打得跟麦克一样好

③ Rose is as well as her brother.

罗斯和她哥哥身体一样棒。

④ Li Ping works as hard as his classmates.

李平学习和同班同学一样努力。

⑤That pencil is as long as this one.

那支铅笔与这支铅笔一样长。

⑥ He had as many books as I.

他和我有同样多的书。

⑦Tom has as many picture books as Mike.

汤姆和迈克有同样多的图画书。

⑧There is as much tea in this cup as in that one.

这个杯里的茶和那个杯里的茶一样多。

⑨Your spoken English is as good as his.

你的英语口语同他的一样好。

注：有关as…as…的一些固定短语：

as作为从属连词，可以引导下列从句：【第二篇】

1、as引导时间状语从句，意为“正当……的时候”、“一面……一面……”、“随着……”，从句可放主句之前或主句之后。

As I was coming here, I met your brother.

As he walked on, he felt himself getting more and more tired.

知识拓展：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：

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。

You will grow wiser as you grow older.你会随着年龄的增长而越来越聪明。

2、as引导原因状语从句，意为“由于”大多位于主句之前，偶尔在前或后。

As this question is of great importance, we will discuss it once again.

Water, as it occurs in nature, is never very pure.

We couldn‘t send the children to school as life was very hard in those days.

知识拓展：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：

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。

As rain has fallen, the air is cooler.因为下过雨，空气比较清爽。

3、方式状语从句，意为“如同”、“按照……的方式、样子、办法”。As从句总跟在主句之后。

You must try to hold the tool as I do. 象我那样拿住工具。

Leave things as they are. 让那些东西保持原样。

3、as引导让步状语从句，意为“虽然”，多在主句之前，且多用倒装。(应将从句主要成分的形容词、副词、原形动词、不加冠词的单数名词置于as 前面)

Difficult as it is, we should not give it up.

Child as he is, he knows something about electricity.

知识拓展：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：

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。

However hard he may try, he will not attain his goal.无论他怎样努力也达不到目标。

4、as引导比较状语从句，意为“和……一样/不一样”。 表示同级的比较。使用时要注意第一个as为副词(意为“那么”“如此”)，第二个as为连词(引导的比较状语从句常常用省略)。其基本结构为：as+ adj./ adv. +as。例如：The line AB is as long as the line CD (is).

This film is as interesting as that one.这部电影和那部电影一样有趣。

Your pen writes as smoothly as mine.你的钢笔书写起来和我的一样流畅。

注意1：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。

注意2：“as…as…”结构前加上表示程度或倍数的词语作为修饰成分，如just, nearly, almost, 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。

This is just as important an experiment as that(is).

There are now three times as many schools in this city as(there were )ten years ago.

知识拓展1：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。

(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。

as的相关解释【第三篇】

prep. 像； 如同； 作为； 当作；

adv. (比较时用) 像…一样，如同； (指事情以同样的方式发生) 和…一样；

conj. 当…时； 随着； 照…方式； 因为； 由于；

as的例句

1. Love me as I do (love) you.

像我爱你那样的爱我。

2. We might as well bunk down in this hotel.

我们还是在这家旅馆找床铺睡觉为好。

3. We have to charge off the debt as hopeless.

我们只好把这笔债款作为无望收回而注销。

4. She gave us Saturday as our day of meeting.

她指定星期六为我们的集会日。

5. Do as I bid you.

照我吩咐你的去做。

6. He crystallized salt as part of his experiment.

他使盐结晶作为他的实验的一部分。

7. As the leader of this office, she can work with everyone.

作为办公室的领导，她和每个人都合作得很好。

《21世纪大英汉词典》

8. As a scholar, he is far above me.

他作为一名学者，比我高明得多。

9. I wish we could migrate from here every winter, as the birds do!

但愿我们能像鸟儿一样，每年冬季从这里定期迁徙！

10. As a scientist,he disbelieves in Jesus.

作为一名科学家，他不信耶稣。

11. He found himself perpending it as an experiment in realism.

他发现自己正把它作为现实中的一种尝试在思考。

12. I do not think much of her as a musician.

她作为一名音乐家，我认为不怎么样。

13. She acknowledged him as her heir.

她承认他为自己的继承人。

14. As historians we brood about the study of the history.

作为历史学家，我秘心的是研究历史。

15. I cannot accept you as my assistant.

我不能聘你为我的助理。

16. I think as you do.

我和你想到一块儿了。

17. She is not so weak as she looks.

她并不像看上去那么虚弱。

18. They acclaimed him as the best writer of the year.

他们称赞他为当年的最佳作者。

19. She behaves as a lady.

她举止像位贵妇人。

20. They adopted an orphan as an heir.

他们立一个孤儿为继承人

AS用法总结【第四篇】

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 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。

以上所总结的是as一词的主要用法及在高考卷中的具体应用，可以看出它词性多，词义广，用法灵活。龙文学校辅导教师希望同学们在复习中一定要理清思路，抓住重点，应用时仔细分析上下文，弄清逻辑关系，才能作出正确选择。