as you know
As you know,为什么要加as 在一篇文章中看到的,就是 你知道 可我不明白的是为什么要加as呢? 请说详细点,或举个小例子 一说又想起来了 我对那个as.as也不很了解As正如
As you know正如你所知道的,如：
as you know,I am a student.
as.as和……一样,如：
this room is as big as that one.
As you know正如你所知道的,如：
as you know,I am a student.
as.as和……一样,如：
this room is as big as that one.
for as you know
As you know,you’ll be staying with a family for two weeks. 这个句子中为什么要用staying 其他几种形式stays ,stayed ,stay .为什么不可以用.这里是现在进行时态,表示的是“要持续的动作”,因为你后面是“for two weeks" 表示要和家人在一起 要持续2周呢,所以这里用 staying 表示持续的动作,你所说的其他的几种形式 都没有表示 持续的 意思.
as you know后面用什么时态？
用一般现在时
As正如
As you know正如你所知道的,如：
as you know,I am a student.
as.as和……一样,如：
this room is as big as that one.
As正如
As you know正如你所知道的,如：
as you know,I am a student.
as.as和……一样,如：
this room is as big as that one.
As you know, 为什么要加as
在一篇文章中看到的，就是 你知道 吗 可我不明白的是为什么要加as呢？请说详细点，或举个小例子 一说又想起来了 我对那个as....as也不很了解 共两个问题 谢谢。1.as sb know是固定搭配，正如某人所知道的那样
2.as结构表示同级比较.as结构的构成是:as...as... 在as结构中第一个as后面加形容词副词原级.
一.名词与副词连用的问题
例句: He is as clever a boy as John.
在上面的句子中多了一个a boy,如何解释其用法呢? 还要研究一下as结构本身:在as结构中第一个as后面加形容词副词原级.根据英语词性的基本用法,第一个as可以修饰形容词副词,说明它本身是副词.
接下来要研究的是副词和名词连用的问题.副词的词性是修饰形容词,副词,动词和句子.它无法直接修饰名词.那么副词和名词如何连用呢,看下面的例子:
How clever a boy he is!
这是我们非常熟悉的句子,在这个句子中就交代了名词和副词连用时词序的问题:how a clever boy he is,只要把clever放到how这一副词的后面,句子就是正确的.
二.as结构表示不同级比较的用法
例子: He is better.
他好多了,如果我们想表示他好多了,这个表示程度的词放在哪呢?
He is much better.
as结构中也不例外.The room is as large as that one. The room is twice/three//www.souquanme.com times as large as that one.
其它的表示程度的词:nothing like（毫不）, not nearly(根本不), not half(非常)，by no means(决不)，exactly， almost ，quite, just
三.as结构常见的搭配
1． as much as多达…;,达到…的程度；也；尽…那么多；差不多
as much ….as 像…一样多的…；…跟…到同一程度 （在程度和数量上）
It was as much as he could do to help us 他尽了最大的努力来帮助我们。
He as much as admitted the whole story. 他几乎全部承认了。
In the summer months the difference in temperature between London and the north can be as much as nine degrees.在夏季，伦敦与北方的温差多达九度。
We must give as much as we take.我们付出多少就会得到多少.
John, as much as his brothers , was responsible for the loss.同他的哥哥们 一样，他应该对损失负责。
2. as...as any 不弱于 杰出的
He iwww.souquanme.coms as great an astrophysicist as any.他是一位非常杰出的天体物理学家.
3.as...as...can be 无以复加;到了最...的程度，极其
A lot of boys were as green as green can be .
这些男孩很多都是毫无经验的生手.
4.as…as ever =as…as before 和以前一样
His trust in his friend was as firm as ever.
他对朋友的信任像以前一样的坚定.
5.as good as 和…一样;等于是;实际上
Don’t worry; the problem is as good as settled.不要担心;问题差不多得到解决.
6.as far as 远到…(表示某一指明的地点); 同样远(表示距离); 就…;据….(表示程度)
As far as I know, he will be away for two weeks.据我所知,他将离开这里两个星期.
We rowed as far as the neck of the lake.我们一直把船划到湖的狭窄处.
as far as …is concerned 至于；就…而言
The earlier the better , as far as the Committee is concerned. 就委员会而言，越早越好。
7.as long as 长达(表示时间和距离); 和…一样长（表示长度）；只要(表示条件)，可以与so long as 互换。
I have lived in Beijing as long asQCtuKfCwdo thirty years.我在北京住了长达30 年之久.
I can lend you my bike as （so）long as you return it to me tomorrow.
我可以把自行车借给你，只要你明天还给我。
As long ago as …早在…
As long ago as the 11th century ,the Chinese people not only invented the compass but also used it in navigation..早在十一世纪，中国人就不仅发明了指南针，而且把它应用到航海上。
8．as well as 不仅。。。而且；既…又；除…之外，还…
The child is lively as well as healthy.
这孩子既健康又活泼。
The teacher , as well as a number of students, was asked to attend the party.
不仅学生而且老师也被邀请参加晚会。
As well as fighting for human rights, he devoted the rest of his life to the rights of the women .
除了为人权而斗争，他把他的余生投入到争取妇女的权利中。
9.as…as possiQCtuKfCwdoble=as…as one can 尽可能地。。。
I will help you as much as I can =I will help you as much as possible.
我要尽可能地帮助你。
10．as much/many/high/long/little/wide/deep as +数词，表示“多/高/长/少/宽/深达…
The cost of www.souquanme.comone day in an average hospital in the United States can run as high as 250 dollars.
在美国，一家普通的医院一天的住院费可高达二百五十美元。
2.as结构表示同级比较.as结构的构成是:as...as... 在as结构中第一个as后面加形容词副词原级.
一.名词与副词连用的问题
例句: He is as clever a boy as John.
在上面的句子中多了一个a boy,如何解释其用法呢? 还要研究一下as结构本身:在as结构中第一个as后面加形容词副词原级.根据英语词性的基本用法,第一个as可以修饰形容词副词,说明它本身是副词.
接下来要研究的是副词和名词连用的问题.副词的词性是修饰形容词,副词,动词和句子.它无法直接修饰名词.那么副词和名词如何连用呢,看下面的例子:
How clever a boy he is!
这是我们非常熟悉的句子,在这个句子中就交代了名词和副词连用时词序的问题:how a clever boy he is,只要把clever放到how这一副词的后面,句子就是正确的.
二.as结构表示不同级比较的用法
例子: He is better.
他好多了,如果我们想表示他好多了,这个表示程度的词放在哪呢?
He is much better.
as结构中也不例外.The room is as large as that one. The room is twice/three//www.souquanme.com times as large as that one.
其它的表示程度的词:nothing like（毫不）, not nearly(根本不), not half(非常)，by no means(决不)，exactly， almost ，quite, just
三.as结构常见的搭配
1． as much as多达…;,达到…的程度；也；尽…那么多；差不多
as much ….as 像…一样多的…；…跟…到同一程度 （在程度和数量上）
It was as much as he could do to help us 他尽了最大的努力来帮助我们。
He as much as admitted the whole story. 他几乎全部承认了。
In the summer months the difference in temperature between London and the north can be as much as nine degrees.在夏季，伦敦与北方的温差多达九度。
We must give as much as we take.我们付出多少就会得到多少.
John, as much as his brothers , was responsible for the loss.同他的哥哥们 一样，他应该对损失负责。
2. as...as any 不弱于 杰出的
He iwww.souquanme.coms as great an astrophysicist as any.他是一位非常杰出的天体物理学家.
3.as...as...can be 无以复加;到了最...的程度，极其
A lot of boys were as green as green can be .
这些男孩很多都是毫无经验的生手.
4.as…as ever =as…as before 和以前一样
His trust in his friend was as firm as ever.
他对朋友的信任像以前一样的坚定.
5.as good as 和…一样;等于是;实际上
Don’t worry; the problem is as good as settled.不要担心;问题差不多得到解决.
6.as far as 远到…(表示某一指明的地点); 同样远(表示距离); 就…;据….(表示程度)
As far as I know, he will be away for two weeks.据我所知,他将离开这里两个星期.
We rowed as far as the neck of the lake.我们一直把船划到湖的狭窄处.
as far as …is concerned 至于；就…而言
The earlier the better , as far as the Committee is concerned. 就委员会而言，越早越好。
7.as long as 长达(表示时间和距离); 和…一样长（表示长度）；只要(表示条件)，可以与so long as 互换。
I have lived in Beijing as long asQCtuKfCwdo thirty years.我在北京住了长达30 年之久.
I can lend you my bike as （so）long as you return it to me tomorrow.
我可以把自行车借给你，只要你明天还给我。
As long ago as …早在…
As long ago as the 11th century ,the Chinese people not only invented the compass but also used it in navigation..早在十一世纪，中国人就不仅发明了指南针，而且把它应用到航海上。
8．as well as 不仅。。。而且；既…又；除…之外，还…
The child is lively as well as healthy.
这孩子既健康又活泼。
The teacher , as well as a number of students, was asked to attend the party.
不仅学生而且老师也被邀请参加晚会。
As well as fighting for human rights, he devoted the rest of his life to the rights of the women .
除了为人权而斗争，他把他的余生投入到争取妇女的权利中。
9.as…as possiQCtuKfCwdoble=as…as one can 尽可能地。。。
I will help you as much as I can =I will help you as much as possible.
我要尽可能地帮助你。
10．as much/many/high/long/little/wide/deep as +数词，表示“多/高/长/少/宽/深达…
The cost of www.souquanme.comone day in an average hospital in the United States can run as high as 250 dollars.
在美国，一家普通的医院一天的住院费可高达二百五十美元。