as的用法

as九大用法~

as只有作副词、介词、连词、代词等四大用法，具体用法如下：
一）as作副词，表示程度，意为“同样地”。在“as．．．as．．．”，“not as．．．as．．．”结构中的第一个as是副词，作“和／与．．．(不)一样”解。eg：Jack is as tall as his father．杰克和他的父亲一样高。He doesn't speak English as／so fluently as you．他的英语说得不如你流利。二）as作介词。1．作“如，像”解。eg：They got united as one man．他们团结得像一个人一样。2．作“充当，作为”解。eg：As a writer，he was famous．作为作家，他是很有名的。三）as作连词，常用来连接主句和状语从句。1．引导时间状语从句，作“当．．．的时候”解，有“随着．．．”之意，与while意义相近，强调两个动作同时发生；或某事一发生，另一事立即发生。eg：He shouted aloud as her ran along．他一边往前跑，一边高声地呼喊。I was startled as he opened the door．他一开门，我吓了一跳。as作连词，相当于when。eg；As a little boy (When he was a little boy)he began to learn to play piano．他小时候就开始学弹钢琴。2．引导原因状语从句，作“因为，由于”解，与because的用法相近。eg；I must stop writing now，as I have rather a lot of work to do．我必须停笔了，因为我还有许多工作要做。3．引导方式状语从句或比较状语从句，作“正如，(如)像”解。例eg：As in your country，we grow wheat in the north and rice in the south．正如(像)你们国家一样，我们在北方种小麦，在南方种大米。(方式状语从句)When at Rome，do as Romans do．入乡随俗。(方式状语从句)4．引导让步状语从句，作“虽然，尽管”解。这时从句常用倒装语序，即把从句中的表语、状语或动词原形放在as之前。eg；Strange as it may seem，it is true．尽管这事看上去很奇怪，但却是真的。Try as he might，Tom could not get out of the difficulties．不管怎样努力，汤姆还是摆脱不了困境。四）as作关系代词。1．引导限制性定语从句，用在“such．．．as”,“the same．．．as”，“as．．．as”等结构中，常译作“像．．．一样的人(或物)”，“凡是．．．的人(或物)”。例eg：He wished to be such a man as Lei Feng was．他曾希望做一个像雷锋那样的人。My hometown is no longer the same as it was．我的家乡再也不像过去一样了。2．引导非限制性定语从句，用来指代它前面的整个句子(即先行句)，意思是“这一点”。这个分句可以位于句首、句中或句末。eg：As is well known，oceans cover more than 70％ of the earth．我们知道，海洋占地球面积的百分之七十以上。

扩展资料：
缩写为AS的单词
1. =Anglo-Saxon 盎格鲁-撒克逊人;盎格鲁-撒克逊语;盎格鲁-撒克逊人的;盎格鲁-撒克逊
语的
2. =antisubmarine 反潜艇的
3. =Asia 亚洲;亚细亚
4. =Asian 亚洲的;亚洲人;亚洲人的
参考资料来源：百度百科：AS

一，副词adv：
1. 跟...一样地,同样地 例如:I'm as tall as him 我和他一样高。
2. 如同;例如 例如:There are lots of famous buildings as the Eiffel Tower and the Arch of Triumph. 这里有许多著名建筑如埃菲尔铁塔和凯旋门。
二，介词prep：
1. 作为,以...的身份 例如:He works as a tour guide. 他作为导游工作。
2. 当作 例如:She is a famous person as a actress. 作为一个女演员,她很出名
3. 像;如同 例如:The old woman was dressed as a young lady. 这位老妇人打扮得像一位年轻人。
三，连接词conj：
1. 像...一样；依照；像 例如:You ought to do as Paul tells you. 你应按照保罗吩咐的做。
2. 当...时 例如:As she was leaving the room she remembered that book. 她离开房间时想起了那本书。
3. 随着 例如:As the sun rose the fog dispersed. 太阳一出来,雾随之消失。
4. 因为 例如:We didn't know what to do as we were just visiting there. 我们不知道该怎么办，因为当时我们仅仅在那里作访问。
5. 虽然 例如:Tired as he was, he stayed up late. 他虽然疲倦，可仍然很晚才睡。
6.尽管 例如：Try as she might,Sue couldn't get the door open.尽管想尽一切办法，苏还是不能打开那扇门
四，代词pron:
1. (与such,the same,as等连用,引导关系从句)与...相同的事物(或人) 例如:He has
earned as much money as I have. 他赚的钱和我赚的一样多。
2. (引导从句,对前述内容作补充)本情况,该事实 例如:She has married again, as was
expected. 她已再婚,这是意料中的事。
五：缩写词abbr：
1. =Anglo-Saxon 盎格鲁-撒克逊人;盎格鲁-撒克逊语;盎格鲁-撒克逊人的;盎格鲁-撒克逊语的
2. =antisubmarine 反潜艇的
3. =Asia 亚洲;亚细亚
4. =Asian 亚洲的;亚洲人;亚洲人的
六，前缀:=ad 用于s前


扩展资料：英语中as……as的用法:
(1) 在否定句中，第一个 as 也可换成 so。
(2) 在该结构的两个as之间通常接形容词或副词的原级，但若涉及数量或程度，可用“as much+不可数名词+as”和“as many+复数名词+as”。
I haven’t got as much money as I thought. 我不像原来想像的有那么多钱。
(3) 第二个as后接从句时，该as通常为连词，但有时这个as还充当其后从句的主语或宾语，此时该as实为关系代词。如：
I gave him as much as he could eat. 他能吃多少，我就给了他多少。
(4) 该结构根据情况可用使用以下修饰语。如：(not) nearly, almost, just, nothing like, exactly, not quite, half, one-ten, twice, three times, 30 per cent等，并且这些修饰语必须置于第一个as之前，而不能置于其后。
参考资料：百度百科-AS

He plays the piano as well as Mary does,前一个as是副词,后一个as是连词,引导比较状语从句,所以比较的东西应该是一样的。不能够拿he plays the piano跟Mary作比较。直接加人名的情况，比如说：She is as beautiful as her sister.

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 twelve, 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 become 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as...as...或not so/ as...as...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)

是从句，因为后面有the reason for, 所以 as 引导的是原因状语从句。

as absurd(荒唐) as putting together the pieces of vase
as bare as the back of one hand/a picked bone
as bald(秃) as a coot
as black as coal/ink/jet/midnight/pitch/soot/Styx/
as blind as a bat/beetle/mole
as bold as brass/a lion
as brave as a lion
as bright as a day/noonday/silver
as brittle as glass
as brown as berry
as busy as a bee
as changeable as weather/a clock/the moon
as cheerful as a lark
as clear as a bell/a day/crystal/ daylight/the nose on your face
as close as a clam/an oyster
as common as dirty
as cold as ice/marble/a stone/a cucumber/a key/charity/frog
as cool as a cucumber
as cross as a bear
as cunning(狡猾) as a fox
as dark as pitch
as dead as a door nail/mutton
as deaf as a post/a beetle/an adder
as deep as a wall
as different as chalk from cheese
as distinct as a day and night
as dry as dust/a stick/a bone/a biscuit
as drunk as a lord/a mouth/a sane
as dumb as a statue/an oyster/a fish
as dull as sawdust/cold dish water
as easy as ABC/lying/milking/shelling peas/my eye/an old shoe/going down the river/chasing a cow out of a meadow/pie/anything
as empty as a drum
as fair as a rose
as far as the eye could see
as fat as a pit/butter
as fierce as a tiger
as firm as rock
as fit as a flea/a fiddle
as flat as a pancake/a board
as free as a bird/air
as fleet (swift) as a deer
as fresh as a rose/a daisy
as gay as a lark
as gaudy(华丽) as a butterfly/a peacock
as gentle as a lamb
as good as gold/a play
as graceful as a swan
as grave as a judge
as greedy as a dog/a wolf/a pig
as green as grass
as gruff(粗暴) as a bear
as happy as a lark/the day is long/a king
as hard as flint/marble/a stone/iron/nails
as harmless as a dove
as heavy as a lead
as healthy as the fresh wind
as hoarse(嘶哑) as a crow
as hot as fire/pepper
as hungry as a wolf/a hunter
as innocent(天真) as a dove
as keen as mustard(芥母)
as large as life
as light as air/a butterfly/a feather/a cork/thistledown/
as like as two peas/two drops of water/two pees/chalk and cheese
as loose as a rope of sand
as loud as thunder
as mad as a March hare/a hatter（帽商）
as mean(卑鄙) as Scrooge
as merry as a cricket
as motionless as statue
as mute as a fish/mice
as nimble(灵巧) as a squirrel
as noise as a mynah
as obstinate as a mule
as old as the hills
as pale as death/wax/a ghost
as patient as an ox
as plain as the nose on one's face/a pikestaff
as pleased as Punch
as playful as a kitten
as plentiful as blackberries
as plump（胖）as a partridge(鹌鹑）
as poor as a church mouse/a beggar
as pretty as a picture
as proud as a peacock
as pure as the world of all
as quick as lightning/thought
as quiet as a lamb/a mouse
as rapid as lightning
as red as fire/a rose/a cheery/blood/beetroot
as regular as clockwork
as rich as Jesus/Croesus
as rigid as a stone
as ripe as a cherry
as round as an apple /a glob/a barrel
as salty as a herring
as sharp as a needle/razor
as silent as a dead/the stars/the grave/sphinx/a morgue
as silly as a goose/a sheep
as slender as a gossamer（蜘蛛）
as slippery as an eel
as sly as a fox
as slow as a tortoise
as smooth as butter/oil/glass/velvet
as sober(严肃) as a judge
as soft as butter/silk/wax/down(绒毛）
as sound as a bell
as sour as a crab/vinegar
as steady as a rock
as stiff as a poke/a post/death/ a grave
as tough as leather /nails
as straight as an arrow
as tricky（聪明） as a monkey
as strong as a horse/a lion
as true as steel
as stubborn(固执) as a mule
as stupid as a donkey
as sure as death
as surely as the night follows the day
as sweet as honey/sugar
as swift as an arrow/lightning/the wind
as tall as a maypole/a steeple/a poplar
as tame(驯服) as a cat
as tender as chicken
as thick as cable/hail/a stone/ porridge/a wall
as thin as rake/ water/shipping post/a bag of bones/a lath
as timid as a hare/a rabbit/mice
as tough as leather/bulls
as tricky as a monkey
as true as steel
as ugly as scare/a crow/a toad
as unstable as the very devil
as vain as water/a peacock
as warm as taost
as watchful as a hawk
as weak as baby/a cat/kitten
as wet as water/a drowned cat
as white as snow/sheet/wool/flour
as wise as Solomon/a serpent/an owl
as yielding(服从) as wax

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