as的用法小结
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……的时候"解,可以指较短的(一点)时间,也可指一段时间。如: When he was at college, he could speak several foreign languages. (表示一段时间)
When the clock struck twelve, all the lights in the street went out. (表示时刻)
② while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时发生。如:
Work while you work. Play while you play.
③ 但属下列情形时,只用as, 而不用when或while。
A) 用于表示同一个人的两种动作交替进行,指"一边……,一边……"。如:
The girl dances as she sings on the stage.
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1.引导时间状语从句
1),指 “一边…一边…”
The girl sings as she goes to school.
He looked behind occasionally as he went forward in the forest.
2) “随着…的推移/交替”
As time went on / by, she became more and more beautiful.
As children get older, they become more and more interested in everything.
3)表示两个短暂行为几乎同时发生.
I thought of it just as you opened your mouth.
Just as the flying worm hit her face, she gave a loud cry.
(自己联想一下when, while引导时间状语从句时的特点吧)
2. 引导原因状语从句
As =Since "既然"、"由于":
As / Since you're not feeling well, you may stay at home.
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As的用法小结:
as连词、关系代词、介词、副词:
(一)as连词:
1) 引导时间状语从句, 译成一边…一边…
如:The girl sings as she goes to school.
2)随着…的发展…
如:As time went on / by, she became more and more beautiful .
3)表示两个短暂行为或事情几乎同时发生.
如:I watched her as she read the book.
4)后面接名词表示某一个年龄段时.如: As a young man, he was active in sports.
5) As =Since,引导原因状语从句,
作"既然"、"由于"解, ,常表示显而易见的原因或理由。
如:
As / Since you're not feeling well, you may stay at home.
6) As =in the way that作"像"、"按照……的方式"解,引导方式状语从句。
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as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。
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高考常见词as用法总结
近几年高考中有关as一词的题目出现过很多次,其中as或是最佳选项,或是干扰项,或是题干中的关键信息点,涉及as作为连词、介词、关系代词、副词以及习语等各种用法。现结合高考试题将as的用法归纳如下:
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,一般不与状态动词连用,意为“一边……一边……”。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.
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关于"as" 的用法小结
我在浏览其他网站时发现了有关AS用法的总结,自己觉得非常比较适合我自己,现将他贴出来共享。非常感谢总结用法的老师们!!!
As的用法小结
as可以作连词、介词及关系代词和副词。现将其用法小结如下:
(一)、 as作连词的用法:
1.作“在-------期间,当----的时候”引导时间状语从句.注意与when、 while的用法区别。 ①下列情形时,只用as, 而不用when或while。
1)用于表示同一个人的两种动作交替进行,指一边----一边. 如:
The girl sings as she goes to school.
He looked behind occasionally as he went forward in the forest.
2)表示两个同步发生的动作或行为,意思是随着-----的发展.如:
As time went on / by, she became more and more beautiful .
As children get older, they become more and more interested in everything.
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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
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as可用作连词,引导比较、时间、原因及方式等四种状语从句,应注意的是,引导的比较状语从句往往有省略;引导的时间状语从句一般用一般现在时而不用一般将来时;引导原因状语从句时与“Because”和“since”引导的从句比较起起来语气最弱。
as作介词,意思时“作为”,“以……身份”。例如:He came to China as a tourist five years ago.
而表示像…一样时,like通常作介词用,而介词后面通常接名词,代名词和动名词。
as in Australia“和在澳大利亚一样”。
as……as
AS +adj(原级)+AS
AS +adv(原级)+AS
as soon as 一……就
as soon as possible 尽可能快地
as early as possible 尽可能早的
as carefully as you can 尽可能认真地
as careful as you can 尽可能认真的
1。as是连词,表示“随着”的意义。lives是life的复数,意义是“生活”。<BR>
2。as是连词,表示“因为,由于”的意义。wanting是现在分词,表示主动意义,wanting to buy cars=who want to buy cars。
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