as 引导定语从句, 在定语从句中作主语、宾语、表语
as在定语从句中的用法
as在定语从句中的用法as在定语从句中的用法下面就是店铺为您收集整理的as在定语从句中的用法的相关文章，希望可以帮到您，如果你觉得不错的话可以分享给更多小伙伴哦！篇一：as在定语从句中的详细用法(1) as引导的定语从句修饰表人或物的先行词，即先行词可以是人也可以是物；在定语从句中可以做主语、宾语或表语；常用于the sameas/suchas/as(so)as句型，as不论在定语从句中作何成分，均不能省略。
① 先行词为人such teachers， as作主语②I’ll buy the same bike as I lost yesterday. 先行词为物the same bike，as作宾语 ,指同一类事物※此时注意和the same that 引导的定语从句的区别It’ that引导定语从句，作宾语，指同一个事物※ She wore the same dress that she wore at Mar y's wedding. (the samethat特指同一个) 她穿着她在Mary婚礼上穿过的同一条裙子。
(the sameas 泛指同一类) 她穿着和她妹妹所穿的一样的裙子。
那块手表和我丢失的一模一样。
(the sameas 泛指同一类) 那就是我丢失的那块手表。
(the samethat特指同一个) ③The school is just the same one as it was 10 years ago.先行词为物the same one (school), as作表语It’ 先行词为物so heavy a box，as作宾语此时应注意as引导的定语从句和结果状语从句such / sothat的区分It’ 结果状语从句sothat如此以至于※He is such a good student as is liked by everyone.(定语从句，as在从句中作主语) （结果状语从句suchthat） that在从句中不充当任何成分，故不是定语从句，而是结果状语从句(2) as引导的非限制性定语从句可以修饰整个主句, 可以放在主句前，主句后或插入主句中间。
As引导从句专属,看完就不用愁了？
As引导从句专属，看完就不用愁了？as一词在不同的句子中有不同的含义和用法，且可引导多种从句。
因此，弄清楚as引导各种从句的特征，对理解句子的含义至关重要。
一、as作从属连词，引导不同种类的状语从句1、as引导时间状语从句此时，as译作“当……时候”，可以放在主句之前，也可以放在主句之后。
例如：He smiled as he said goodbye to me.他向我道别时微笑了一下。
As she was walking in the park, she heard a girl singing. 她在公园里散步时，听到一位女孩在唱歌。
I sang an English song as I went along the river.我边沿河边走边唱英文歌。
2、as引导原因状语从句表示已知的原因，译作“既然；由于；因为……”，通常放在句首。
例如：As it is too late for you to go home, you’d better stay over night at this place.由于天太晚，你不能回家了，你最好留在这儿过夜。
As it is going to rain, the sports meet will be put off until next week.由于天要下雨，运动会将推迟到下星期开。
3、as引导比较状语从句as引导比较状语从句有两种结构，分别是“as…as”和“not as / so …as”结构。
第一个as是副词，第二个as是连词。
译作“跟……一样”、“跟……不一样”。
这种从句有三种不同的结构形式和意义。
（1）表示两个不同的人（或物）在相同（或不同）方面的比较。
例如：He is as careful as his elder brother.他和他哥哥一样细心。
She is not so clever as her sister.她不如她姐姐聪明。
As引导的定语从句解析
As引导的定语从句解析我们知道，定语从句是在复合句中用来修饰主句里面的名词或代词的从句，引导定语从句的一般有关系代词who、whom、whose、which、that 和关系副词when、where、why等。
但我们在学习和高考试题中经常会碰到as 引导的定语从句。
如2001年全国高考卷：_____ is known to everybody, the moon travels round the earth once every month.A. ItB. AsC. ThatD. What本题考察as 引导的非限定性定语从句，“正如大家所知”，后面整个句子“月球每月绕地球转一圈” 指代as 做先行词，as 在句中作主语，所以选B。
下面就as 引导的定语从句加以归纳并解析：1） as 用作关系代词和关系副词引导限定性定语从句，并在从句中作宾语、表语和状语，构成the same…as, such…as 等结构。
例如：I like the same book as you do. （as 作宾语）I shall do it in the same way as you did. （as 作状语）I want to have such a dictionary as he has. （as 作宾语）2） as 引导非限定性定语从句，在句中作主语、表语或宾语，这个定语从句是说明整个句子，可以放在主句之前。
例如：As we all know, he studies very hard. (as 作宾语)As is known to all, he is the best student in our class. （as 作主语）常用的这种类似插入语的句式有as is said above, as is known to all, as it is 等。
要注意的是，关系代词whom, which, that 在限定性定语从句中作动词宾语和介词宾语，而该介词又位于句末时三个关系词经常省略，但as 一般不省略；which 和as 在定语从句中的区别：which 不能放在句首，而as 可以；as 在句中有“正如，就象”之意，而which 则没有。
as在定语从句中的意思
as在定语从句中的意思as在定语从句中的意思as在定语从句中是十分的常见的，那么as在定语从句中的意思又是什么呢?1. 准关系代词as引导限制定语从句，用于以下3个结构中，as在从句中作主语、宾语或表语：a. so / such…asSuch people as were mentioned by him were honest. (as作主语)I’ve never seen such a clever man as he is. (as作表语)Last term our maths teacher set so difficult an (= such a difficult) examination problem as none of us worked out.b. the same…asModern statemen are often faced with the same problem as defeated the ancient Romans. (as 作宾语)I like the same book as you do. (as 作宾语)c. as…asAs many children as came were given some cakes. (as 作主语) He is as diligent a man as ever lived. (as 作主语)补充：a. such…as 与such…that的区别such…as 引导定语从句;such…that引导结果状语从句。
They talked in such simple English as children could understand.他们用孩子们能听懂的简单的英语交谈。
They talked in such simple English that children could understand it.他们用十分简单的英语交谈，连孩子们都能听懂。
关系代词AS的用法
关系代词AS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。
同学们要下点功夫哦!AS作关系代词,可以用来引导定语从句:限制性定语从句和限非制性定语从句一、AS引导限制性定语从句AS引导限制性定语从句时,通常和such,the same,as(so)等连用,构成如下结构:such...as/such as,the same...as/the same as, as(so)...as等结构,在从句中可作主语,宾语和表语。
...as/such as意为“...的那种...,像那样的”，such...as/such as引导限制性定语从句时,既可指人,也可指物。
such用于名词之前时,具有形容词性质；such单独使用(即后面不接名词)时,具有代词性质。
Don’t trust such men as praise you to your face.(as作主语)不要相信那种当面吹捧你的人。
You should read only such books as you can understand without much difficulty.(as作宾语)你应当只读那些你读起来不太难懂的书。
Associate with such as will improve your manners.(as作主语)要和能改善你的言行的那种人结交。
same...as/the same as意为“与...同样的”,和such一样,the same既有形容词作用,又有代词性质。
We have arrived at the same conclusoin as they have.(as作宾语)我们已得出和他们同样的结论。
比较:the same...as和the same...that不同,前者是“同那一个相似”,后者是“正是那一个”。
如：This is the same watch as I lost.这同我丢的那块表一样。
定语从句as的三种用法
定语从句as的三种用法定语从句 "as" 有以下三种用法：1. 引导限制性定语从句：这种用法中，as在从句中作主语、宾语或表语。
例如：The car, as you know, cost me a lot of money. (你知道，那辆车花了我很多钱。
)I'll take the book, as you suggested. (按照你的建议，我会拿那本书。
)The child, as is well known, needs love and care. (众所周知，那个孩子需要爱和照顾。
)2. 引导非限制性定语从句：这种用法中，as在从句中作主语、宾语或表语。
例如：My sister, as you know, is a doctor. (你知道，我姐姐是一名医生。
)The book, as I have said, is very interesting. (正如我所说的，这本书非常有趣。
)The film, as you can imagine, was very emotional. (正如你可以想象的，这部电影非常感人。
)3. 引导方式状语从句：这种用法中，as在从句中作方式状语，表示“正如”、“就像”的意思。
例如：He did it, as we had expected. (他按照我们预期的那样做了那件事。
)She spoke to the camera, as if she was addressing a crowd of people. (她对着镜头讲话，就像是在向一群人发表演讲一样。
)。
(完整版)as引导定语从句
as anybody can see
⑵ as引导非限制性定语从句，“正如， 正像”的含义
The boy has as much progress ，as we had expected. 正像我们所预料的那样，这个男孩取得 了大的进步。
（3）
1 as在非限制性定语从句中做宾语时通常 做see 、watch 、know 、say 、tell 、 remember 等词的宾语
as 引导定语从句
一、as引导限制性定语从句
先行词前通常有such、the same、as、so, 构成such as、the same...as、as…as so...as结构, 作主语,宾语和表语
Don’t trust such men as praise you to your face. 不要相信那种当面吹捧你的人。
2. Such girls as he knows are good at English . 他所认识的女孩都擅长英语。
3. Do you have such books as we like ? 你有我们喜欢那种书吗？
4. She will marry as wealthy a man as she can find . 她将嫁给她能找到的任何一个有钱人。
It was true，as everybody could know．
As has been said before， China plays an important role in the world.
2 as在非限制性定语从句中做主语时， 谓语动词通常是被动形式，如是不及 物动词，则正常使用。
as引导的定语从句例句讲解
as引导的定语从句例句讲解as引导的定语从句例句讲解在一些习惯用法上，as能兼作关系代词、关系副词，经常引导定语从句。
下面是店铺为你带来的as 引导的定语从句例句，欢迎阅读。
惯用型1：such… as…像……一样的the same…as…与……同样的I seldom meetsucha beggarasI met today.我很少碰到今天这样的'乞丐。
（as是代词，在定语从句中作宾语）Please choosesuchapplesascan be put in my bracket.请选择我能放入篮子里这样的苹果。
（as在定语从句中作主语）I am notthe samekind of personasyou are.我可不是和你一类的人。
（as在从句中作表语）You may takethe samebusaswe take.你可乘坐我们坐的同一辆大巴。
（as在从句中作宾语）惯用型2：such as…在这种场合，such是代词，表示“这种人、这种物”，as是关系代词。
He is notsuchasyou can imagine.他不是你能得到的那种人。
We have got a lot of drinkssuchasyou can find in supermarkets.我们习了大量在超市能找到的那种饮料。
惯用型3：as……, as…as引导的定语从句，有时像非限制性定语从句一样修饰整个主句或者主句的一部分，但它的位置比较灵活，可以放在被修饰的主句后面，也可以放在主句前面。
例如：Asyou can see, we are all students.你能看得出，我们都是学生。
=We are allstudents,asyou can see.=We are all students,whichyou can see.（这是详细的解读，大家请熟悉啊）Asyou know, we need to hurry up.大家知道，我们需要加快速度。
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as的用法:
(as引导定语从句,在定语从句中作主语、宾语、表语)
(1)如为限制性的，多用于the same …as ; the same as；such …as …; as
many/muchas；so …as等结构中。
如：
1. I have the same book as you (have).我有一本和你的一样的书。
Her attitude to him was quite the same as it had always been. (关系代词as和指示代词same连用,在从句中用作表语,先行词是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.（结果状语从句）
(2)如为非限制性的，多单独引导一个定语从句，这种定语从句可置于句首，句中或句尾，译为"正如，这一点"。
（动词常为know, see, expect, point out, etc.）
1. As we all know, smoking is harmful to one's health . (as作宾语)
=As is known to all, smoking is harmful to one's health .（as作主语）
=It's known to all that smoking is harmful to one's health .
或:
Smoking is harmful to one's health , as we all know .（as作宾语）
或:
Smoking, as we all know, is harmful to one' health.
2.He was a foreigner, as I knew from his accent.(宾语,先行词是前面整个句子)当先行词被the same所修饰时，关系词既可以用as，也可以用that。
在表示具体事物
时，有时两者有一定的区别。
一般说来，表示同一种类多用as，表示同一事物多用that。
如：
This is the same instrument that I used yesterday.这就是我昨天用过的那台仪器。
ThisthesameinstrumentasIusedyesterday.这台仪器跟我昨天用过的那台一样。
在抽象概念上，同种类和同一事物是没有绝对区别的，所以两个词可换用：
I have the same opinion as / that you have.
这里要注意的是：
（1）使用as时，它引导的定语从句中的动词可以省略，但使用that时，定语从句中
的动词不可省略。
如：
Women received the same pay as men.
Women received the same pay that men received.
(2)在“the same…that”结构中，that只是用来加强语气，强调“相同”。
that可以省去而不改变句子原意，甚至连名词前的same也可以省去。
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.
但在“the same…as”结构中，same和as都不能省略。
(3)当“the same…that”结构中的that作为关系副词用时，不可以直接与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.当先行词前有such, so, as时，关系词应当用as。
如：
A wise man seldom talks about 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 theycan.
It is so easy a book as every schoolboy can read.
Let’s discuss 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.（结果状语从句）。