宾语从句中as的用法

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as的从句用法~

AS在从句中的用法小结
一.As在各种状语从句中的用法:
1. AS用于时间状语从句中,表示从句动作与主句动作同时发生, “边….边….”,而且主要指一段时间,但有时候和when一样也可指一点时间。
They shouted slogans as they passed the square
2.As用于原因状语从句中,表示的原因语气较弱,其原因多是对方所知道的,他引出的原因状语从句常常置于句首。
As he wasn’t ready in time, we went to the bar without him.
3.AS用于让步状语从句中,常常被转换成一个部分倒装结构,含有强调的意味。
1)Small as (=though) the stars appear, they are really large bodies. 2)Tired as she was, she continued to prepare for her lecture tomorrow. 4.AS引导方式状语从句时,意思是“如同”、“就像”(in the same manner that…..),可以修饰动作和状态。
例如:Air is to man as water is to fish. 二.AS在定语从句的用法
1.AS引导限制性定语从句时,主要用在“such….as”,”the same…as”的结构中,可倒替先行词是人和物的名词.在“the same…as”的结构中as 也可以用that来代替
1)Let’s discuss only such questions as concern us!(as作主语) 2)I have never seen such kind of people as they are.(as作表语) 3)This is the same scarf as/that I have bought in HK.(as作宾语)
2.AS引导非限制性定语从句时,代替整个主语,对其进行说明。该从句的位置比较灵活,可位于主句前面或者插在主语中间,或者位于主句后面。常常由逗号将其主句隔开。“正如….” “正像….” 1)She is a southener,as(=which) I know her accent.(as代替前述句在从句中作宾语) 2)As was usual with the old man,he went out for a walk with his dog after dinner. (as代替后述句在从句中作主语)
as的用法灵活,词义繁多,特别是在复合句中更能体现其用法的多样性和灵活性,但如果同学们能正确掌握as的高考资源网词性和词义,是不难掌握其用法的。 一、as用作关系代词引导定语从句
1. as 引导非限制性定语从句,一般不指代某个具体的名词或代词,而是代表整个主句或主句的一部分。这种从句可放在主句之前,也可以放在主句之后,有时还可以放在主句的中间。如:
As is reported in the newspapers, talks between the two countries are making progress. 正如在报纸上所报道的,两国间的谈判有所进展。
Grammar is not a set of dead rules, as has been said above. 如上所说,语法不是一套死条文。
Spiders are not insects, as many people think, nor even nearly related to them. 蜘蛛不是昆虫,尽管许多人都这样认为,它甚至与昆虫几乎没有联系。
2. as 引导限制性定语从句,主要用于the same„as(与„„相同),such„as(像„„一样),as„as(与„„一样)。如: She knew he felt just the same as she did. 她知道他的感受和她一样。
Such a man with a good temper as Mr. Li is is easy to get along with. 像李先生这样好脾气的人是容易相处的。
He smokes as expensive a cigarette as he can afford. 他抽一种他买得起的最贵的烟。 二、as作为从属连词引导时间状语从句
表示“当„„的时候”或“一边„„一边”,强调主句的动作和从句的动作同时发生。如: I saw him as he was getting off the bus. 当他下公共汽车的时候我看见了他。 The boy was singing a popular song as he was bicycling. 这男孩边骑车边唱歌。 As she grew older, she became less active. 当她长大一点的时候,就变得不那么活泼了。
三、as作为从属连词引导原因状语从句
as 引导的原因状语从句常放在主句前,表示“因为,由于”。如:
As she is a model teacher, she gives a good example to others. 因为她是一名模范教师,她给其他人树立了一个好的典范。
As he wasn’t ready in time, we went to the cinema without him. 由于他没有及时准备好,我们就去看电影了,没有等他。w.w.w.k.s.5.u.c.o.m
三、as作为从属连词,引导让步状语从句
as引导让步状语从句比较特别,它要求将主语和谓语或谓语的一部分倒装。如: Old as he is, he is still full of energy. 尽管年纪大了,但他依然精力充沛。 Try as she may, she never succeeds. 尽管她很努力,但总是不成功。
Much as I admire Mr. Wang as a poet, I don’t like him as a man. 尽管我喜欢王先生的诗歌,但我不喜欢他的为人。
注:当倒装后置于句首的名词为单数可数名词时,习惯上不带冠词。如: Boy as he was, he was made king. 尽管他还是个孩子,却被立为国王了。 四、与其他词搭配使用构成从属连词引导从句
1. as if / as though。表示“好像,仿佛”,引导表语从句或方式状语从句。如: It looks as if / as though it is going to snow. 看起来要下雪啦。
He looks as if / as though he had seen a ghost. 他的脸色看起来好像他看见了鬼。
He talks as if /as though he knew everything about it. 他说话的口气好像他已经全部都知道了。
2. as [so] long as。“只要”,引导条件状语从句。如:
As [So] long as you can keep away from them, you will be safe. 只要你能远离他们,你就安全了。
I’m happy as long as you are happy. 只要你幸福,我就感到幸福了。 3. as [so] far as。表示“在„„的范围内”,引导限制状语从句。多用于下列结构:as [so] far as I know(据我所知),as [so] far as I can see, as [so] far as I’m concerned(依我看)。如: As [So] far as I know, the couple have been abroad for about five years. 据我所知,这对夫妇已经出国约五年了。
There’s only one thing to be done now, as far as I can see. 依我看。现在只有一件事情要做。
4. as soon as。表示“一„„就”,引导时间状语从句。如:
As soon as he got off the plane, he telephoned her girl friend. 他一下飞机就给他的女朋友打了个电话。w.w.w.k.s.5.u.c.o.m
He started as soon as he received the news. 他一得到消息就出发了。
总之,由于as的用法复杂,同学们在学习时一定要注意比较其在不同句子中的作用,判断其连接的是什么样的从句,多做一些关于相关练习,这样便可掌握其用法了。

这是个省略句。本来应该是but not for as long as they can / as possible而不是为了(尽可能的)长寿。for long=for a long time 长久地。在使用as...as...短语时,在有上下文的情况下,有时会把后面的as...一起省略掉。例如:
Nothing stays the same for long. 任何事情都不会长期保持不变。
Getting a job is his first aim, and no other consideration is as important ( = as important as getting a job). 找份工作是他首要的任务, 其它的考虑都不及这个重要。

as一般不用与宾语从句。
as的用法总结:
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)This film is as interesting as that
one.这部电影和那部电影一样有趣。

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

  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...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。

  (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。

  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

  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)

  三、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。

  四、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。


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河北区13946909673: 宾语从句和宾语补足语 -
史水马蔺:[答案] 在英文中,有许多动词可以带“宾语+宾语补足语”的结构,如(make,name,let,force等),宾语补足语也有许多形式,如名词,不定式,形容词以及副词、介词短语等. (1)Tom always makes his little sister cry.汤姆总是招他妹妹哭. (不带to的动词...

河北区13946909673: as 的用法 急求..经常出现,很多种不同的地方,却老是似懂非懂 -
史水马蔺: 1. as 作为副词,常与连词 as 连用,意为“和……一样”.例如: as easy as ABC (非常容易), as cool as cucumber (沉着的), as stubborn as a mule (非常顽强的,倔强的), as clear as crystal (非常透明的), as poor as a church ...

河北区13946909673: 请给讲一下 as .....as ......的用法 -
史水马蔺: as可以作连词、介词及关系代词.现将其用法小结如下: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…...

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