分类: 教育/科学 >> 外语学习
问题描述:
RT
解析:
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
When the clock struck elve, all the lights in the street went out
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
He looked behind from time to time as he went forward
B)表示两个同步发展的动作或行为,译为"随着……"。如:
As time went on / by, she became more and more worried
As children get older, they bee more and more interested in the things around them
C)表示两个短促行为或事件几乎同时发生。如:
I thought of it just as you opened your mouth
Just as the flying worm hit her face, she gave a loud cry
D) 后接名词表示某一年龄段时,用as。如:
As a young man, he was active in sports
2 as=since, 作"既然"、"由于"解,引导原因状语从句,常用来表示已为人们所知或显而易见的原因或理由。如:
As / Since you're not feeling well, you may stay at home
As he wasn't ready in time, we went without him
3 as=in the way that, 作"像"、"按照……的方式"解,引导方式状语从句。如:
He speaks English as Americans do
Remember, you must do everything as I do
4 用于asas或not so/ asas中,前一个as是副词,后一个as是连词,引导比较状语从句。如:
They helped the old man as often as possible
I don't speak English so/ as well as he does
5 作"虽然"、"尽管"解,引导让步状语从句。常用倒装语序,即adj /adv / n+ as +主语+谓语+主句。如:
Tired as they were, they walked on
Child as he is, he knows a lot (child前不用冠词)
二、 as作关系代词,引导定语从句,作"正如"、"这一点"解。如:
He is very careful, as his work shows
As is well-known, Taiwan belongs to China
as的这种用法,请看2001年的高考题:
is known to everybody, the moon travels round the earth once every month
A It B As C That D What
字母下划横线的为正确答案)
另外,当先行词被the same, such等词修饰时,常用as来引导定语从句。如:
Such a clever boy as he can learn anything quickly
I was reading the same book as he bought yesterday
三、 as作介词的用法:
as引导的介词短语大多用作状语,as译为"作为";少数情况可引起宾语补足语。如:
As a League member, I'll take the lead in everything (状语)
She works as a doctor (状语)
They have me as one of their own children(引起宾语补足语)
as可以用作介词、副词和连词的成分组成句子
一， as 作介词
意思是 “作为”,“以…身份”，“如同”
（1) Alfred worked as a dustman for the Ellesmere Corporation 阿尔弗雷德在Ellesmere公司当清洁工。
（2) People who work in offices are frequently referred to as “white-collar” workers 坐办公室的人常常被称作”白领工人”。
二，as作连词的用法
1 as…as, 意为 ”和…一样”, 用于形容词或副词的比较，as + adj/adv + as…, 第一个as为副词，第二个as为连词
2 引导时间状语从句，“随着”, “当…时”，和when, while用法相同，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) When she was young, she lived with her grandparents 她小时候和祖父母住在一起。
（2) I was preparing our dinner while you were sleeping 你睡觉的时候我在准备晚餐。
（3) You will grow wiser as you grow older 随着年龄增长你会变的越来越聪明。
3 引导原因状语从句，“由于”, “因为”, 和because, since用法相同，但他们有区别：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：
As there were not enough lifeboats for everybody, 1500 lives were lost 由于没有足够的救生艇运载所有乘客，结果1500人丧生。
4 引导让步状语从句，”尽管”, “虽然”, 句子结构稍有不同，例如：
Old as he is, he still jogs every day 他尽管上了年纪，仍然每天慢跑。
三，as作关系代词，引导定语从句
1 as引导定语从句与其他词连用
①用于the sameas结构中
②用于suchas结构中
③用于"so +adj + a/an + n (单数) + as "结构中
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。(修饰的是整个主句)
IV 几个关于as 的固定搭配：
(1)asas possible
(2)asas usual/before
(3)as long as (引导条件状语从句)
(4)as far as
(5)as well as
(6) as if/as though 似乎，好像，仿佛
as具体用法如下：
1as用作副词时主要用来表示比较,意思是“像一样；如同”。可以单独使用，但更多的是用在asas结构中，其中第一个as是副词，其后可接形容词或副词,也可接其他成分，as前可有状语。第二个as可以是介词,也可以是连词。as用作副词时还可以指事物以同样的方式发生,意思是“和一样”。
2as 常做关系代词，如such children as love their books中的as是love的主语。
3as还可表示原因,作“因为,既然”解，引导原因状语从句，表示不说自明的原因或理由，语气较轻，是附带提及，不加强调。as引导的从句可放在主句之前(表示原因不明显),也可放在主句之后(表示原因明显)。
as读音：英 [æz , əz] 美 [æz , əz]
释义：
1prep像;如同;作为;当作
例句：Nobody that I spoke to doubted his sincerity as a politician
和我谈过话的人中没有一个怀疑他作为一个政治家的诚意。
2adv(比较时用)像一样，如同;(指事情以同样的方式发生)和一样
例句：Today, as usual, he was wearing a three-piece suit
像往常一样，他今天穿的是三件套。
3conj当时;随着;照方式;因为;由于
例句：She counted more than a dozen in plain sight as the steamer drew closer
当轮船靠近时，她一眼就数出了十多艘来。
扩展资料近义词：equally、though
一、equally读音：英 [ˈiːkwəli] 美 [ˈiːkwəli]
释义：adv平等地;同样地;平均地;相等地;均等地;(引出同样重要的内容)同样，此外，也
例句：Team members contribute thoughts and share ideas equally
团队成员平等地贡献思维和分享想法。
二、thoughthough读音：英 [ðəʊ] 美 [ðoʊ]
释义：
1conj虽然;尽管;即使;(用于主句后，引出补充说明，使语气变弱)不过，可是，然而
例句：I will say no more on these matters, important though they are
虽然这些事很重要，我也不想再说什么了。
2adv(尤用于句末补充说明，使语气减弱)不过，可是，然而
例句：I like him Though he makes me angry sometimes
我喜欢他，不过他有时惹我生气。
as既可以当连词 也可以当介词 本句中应该是连词，意思是 当……的时候
各举一例:
连词：（表示两件事情同时发生）当…的时候，在…的同时 If something happens as something else happens, it happens at the same time
介词 ：作为；当作 You use as when you are indicating what someone or something is or is thought to be, or what function they have
as具体用法如下：
1as用作副词时主要用来表示比较,意思是“像…一样；如同”。可以单独使用，但更多的是用在asas结构中，其中第一个as是副词，其后可接形容词或副词,也可接其他成分，as前可有状语。第二个as可以是介词,也可以是连词。as用作副词时还可以指事物以同样的方式发生,意思是“和…一样”。
2as 常做关系代词，如such children as love their books中的as是love的主语。
3as还可表示原因,作“因为,既然”解，引导原因状语从句，表示不说自明的原因或理由，语气较轻，是附带提及，不加强调。as引导的从句可放在主句之前(表示原因不明显),也可放在主句之后(表示原因明显)。
as读音：英 [æz , əz] 美 [æz , əz]
释义：
1prep像;如同;作为;当作
例句：Nobody that I spoke to doubted his sincerity as a politician
和我谈过话的人中没有一个怀疑他作为一个政治家的诚意。
2adv(比较时用)像…一样，如同;(指事情以同样的方式发生)和…一样
例句：Today, as usual, he was wearing a three-piece suit
像往常一样，他今天穿的是三件套。
3conj当…时;随着;照…方式;因为;由于
例句：She counted more than a dozen in plain sight as the steamer drew closer
当轮船靠近时，她一眼就数出了十多艘来。
扩展资料近义词：equally、though
一、equally读音：英 [ˈiːkwəli] 美 [ˈiːkwəli]
释义：adv平等地;同样地;平均地;相等地;均等地;(引出同样重要的内容)同样，此外，也
例句：Team members contribute thoughts and share ideas equally
团队成员平等地贡献思维和分享想法。
二、thoughthough读音：英 [ðəʊ] 美 [ðoʊ]
释义：
1conj虽然;尽管;即使;(用于主句后，引出补充说明，使语气变弱)不过，可是，然而
例句：I will say no more on these matters, important though they are
虽然这些事很重要，我也不想再说什么了。
2adv(尤用于句末补充说明，使语气减弱)不过，可是，然而
例句：I like him Though he makes me angry sometimes
我喜欢他，不过他有时惹我生气。
大家在 英语学习 的时候经常会对as的用法感到疑惑，下面我给大家对as的用法做了 总结 ，希望可以帮助到大家！
as用法
一、as作连词的用法
1asas的用法
asas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)Your pen writes as smoothly as mine你的钢笔书写起来和我的一样流畅。
(2)This film is as interesting as that one这部**和那部**一样有趣。
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。
2、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。
3as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引导让步状语从句
此时，as译作“尽管”。当as引导让步状语从句时，不把as放在从句的开头，而是将充当从句主要成分的形容词、副词、分词、动词原形或不加冠词的单数可数名词置于前面。
（1）将表语放在句首，再将as放在表语和主语之间。例如：
Child as he is,he knows quite a lot of things
虽然他还是个孩子，但他懂得很多事情。
（2）将状语放在句首，再将as放在状语（副词）和主语之间。例如：
Much as she likes,she will not take it
尽管非常喜欢它，但她也不会拿走的。
（3）将主动词放在句首，再将as放在主动词和主语之间。例如：
Try as he did,he didn’t succeed
尽管他努力了，但还是没有成功。
二、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。
三、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。
四、as作关系代词的用法
as引导英语从句时，在从句中充当主语、宾语、介词宾语或表语，既可以指人，也可以指物。
1as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)
2as引导定语从句与其他词连用
①用于the sameas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suchas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。
as短语
as well 也；同样地；还不如
as well as 也；和…一样；不但…而且
as one 一致的
as soon ◎宁愿…，宁可… , ◎同样乐意，同样愿意(常用于 would，had 之后)[亦作 as lief] , ◎同样高兴(或愿意) , ◎宁愿,宁可(与 would, had 连用)
as soon as 一…就…
as long as 只要；和…一样长
as if 犹如，好似
as much 也；同样多的
as for 关于，至于
as soon as possible 尽快
as a whole 总的来说
as far as adv 至于，直到，远到；就…而言
as of 自……起
as though 好像；仿佛
as being 就是；即像
as early as 早在…的时候
as usual 像往常一样；照例
as good as 和…几乎一样，实际上等于…
as per 按照，依据；如同
as such 同样地；本身；就其本身而论
As 用法专练
1It is generally believed that teaching is ____ it is a science
A much as an art as B as much an art as
Can art as much as Das much as an art
2 _____ I admire David as a poet,I don’t like him as a man
AOnly if BIf only
C As much DMuch as
3 ____ ,he talks a lot about his favourite singers after class
AA quiet student as he may be BQuiet student as he may be
CQuiet as he may be a student DAs he may be a quiet student
4I wonder why you don’t do it as ____ and it’s the third time you have done so
Atold you B be told
C told to D you told
5( 1) ___I explain on the phone,your request will be considered at the next meeting
(2)____ I explain on the phone is that your request will be considered at the next meeting
A What BWhen CAfter D As
6(1)That is ____ problem____can’t be worked out by anyof us
(2)That is ____problem____none of us can work it out
Aa such difficult , that Bso difficult a ,that
Csuch a difficult, as Da so difficult ,as
7There were not so many jobs available ____ were asked for
A that B which C what D as
8____ time went on,Einstine’theory_____ right
A With, proved B As, be proved
CWith, be proved D As, proved
9He will surely finish the job on time ____ he’s left to do it in his own way
Aas if Beven if Cso long as D so that
10Scientists generally agree that the earth’s climate will warm up over the next 50 to 100
years____it has warmed in the 20,000 years since Ice Age
AAs long as Bas much as
Cas long as D as well as
11Do come to my party,and bring your sister____
Aas good Bas a whole Cas well Dinstead
12It’s useless trying to argue with the sort of himYou might____ go and stand upon the beach
and argue with the sea
A as well B also Cas if D as well as
13(1) We all passed the exam,but ___ him, he alone failed
(2) ____ running, learning English needs will
A As/as with B As/as to CAs/as for DAs/as if
14I thought things would get better, but ___ it is they were gettting worse
A before Bbecause Cas Dafter
15All the gifts must be mailed immediately____ in time for Christmas
A in order to have received Bin order to received
Cso as to be received Dso as to be receiving
16(1)Look! The clouds are gathering It looks as if it ______ (rain)
(2)If you put a chopstick into water , it looks as if it _____(break)
Answers:
1-4 B D B C 5 DA 6CB 7-10 D D C B
11-12 C A 13CA 14-15 C C
161)is going to rain 2) were broken
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