as...as的用法总结
as...as是英语中常见的结构。用好这个结果会为你的作文增加分数。那么你知道as...as的用法有哪些呢？下面小编给大家整理了as...as的用法总结,希望可以帮助到大家!
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as...as释义表示像...一样，(强调数量)多达，只有。通常中间只能用形容词或副词的原级，不能用比较级或最高级。若第二个as之后使用独立的人称代词，一般用主格(较正式)或宾格(非正式)均可。
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as...as用法1.若涉及数量或程度，可用“as much+不可数名词+as”和“as many+可数名词复数+as”。如：
He doesn’t pay as much tax as we do / as us. 他没我们交的税款多。
There are not as many restaurants as there were. 现在餐馆没有过去多了。
2.“as+形容词或副词原级+as...”意为“和...一样”，表示同级的比较，第一个as为副词，第二个as为连词。
(1)as...as结构用于表示不同人或物同一性质的比较，意为...和...一样
The tree is as tall as the building.这棵树和那栋楼一样高。
(2)as...as结构用于表示同一个人或物不同性质的比较，意为既...又...
This swimming pool is as wide as it is long.
这个游泳池宽度和长度相等。
(3)as...as结构用于表示两个人或物不同性质的比较，表示程度相同或相当，意为...而...，在否定句结构是so/as...as...
He cannot run so/as fast as you.他没你跑得快。
He was as handsome as his wife was beautiful.
他长得很英俊，他的妻子也长得非常漂亮。
3.as...as的常见句型
(1)as...as possible/sb can尽可能的……
Please answer my question as soon as possible.
请尽快回答我的问题。
The detective is searching the man as carefully as he can.
那个侦探正在尽可能仔细地搜查那个男子的身体。
(2)as...as usual/before像以前一样……
She looks as pretty as before.
她看起来和以前一样漂亮
Though they failed，they still worked as hard as usual.
尽管他们失败了，但他们仍像以前一样努力工作。
(3)as long as只要，引导条件状语从句
I will stay with you as long as there is a room free.
要是你有一间空余的房子，我就住在你这里。
You may borrow this book as long as you promise to give it back
只要你答应归还，你就可以把这书借走。
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as soon as的用法as soon as释义
一……就……;一经;不久后，一会儿。既可以引导时间状语从句，表过去，又可以表示将来。as soon as引导时间状语从句当主句用一般过去时时，从句中用一般过去时或过去完成时。
as soon as 的用法一般是两种情况：
1、指未发生的动作,规律是：主句一般将来时,从句用一般现在时代替一般将来时
如：I will tell him the news as soon as he comes back.
注：有时,为了特意表达刚刚完成某事就如何如何,需要用现在完成时.
如：I will go with you as soon as I have washed my face.
2、指紧接着发生的两个短动作,主从句都用一般过去时
如 He took out his English books as soon as he sat down
不过,我也见过从句和主句都用一般现在时的情况.
如：As soon as he finishes his classwork,he runs out of the class.他一做完课堂作业,就跑出了教室.
总之,记住那两种基本的情况,不把时态用得太混乱了就行了(比如后面从句里用了将来时,就绝对允许了).
一般来说as soon as前后的动词用主将从现 主句用一般将来时 从句用一般现在时
as soon as的用法例句
1. As soon as he got inside, the dog shook himself.
他一进来，狗就开始摇头摆尾。
2. They stopped you as soon as you deviated from the script.
一旦你偏离了剧本的内容，他们就会喊停。
3. As soon as the two chicks hatch, they leave the nest burrow.
两只小鸟一出壳就离开了巢穴。
4. As soon as we were inside, the rain began to bucket down.
我们刚进屋，大雨便倾盆而下。
5. As soon as relations improve they will be allowed to go.
一旦关系有所改善，他们就可以获准离开。
6. Would you call me as soon as you find out?
你一弄清楚了就给我打电话好吗?
作为习语用作介词时，as well as的涵义是“还有”、“不但…而且…”。值得注意的是，在A as well as B的结构里，语意的重点在 A，不在 B。因此，“He can speak Spanish as well as English.”的译文应该是：“他不但会说英语，而且会讲西班牙语”，决不能译作：“他不但会说西班牙语，而且会讲英语”。如果这样翻译，就是本末倒置了。as well as和 not only… but also…同义，但前者的语意重点和后者的语意重点恰好颠倒。
如果 as well as用作连词引出比较从句，其义为“和…一样好”。因此，“He speaks Spanish as well as English.”应译作：“他说西班牙语像说英语一样好”。语意的重点依旧在前部，不在后半部。
请注意 as well as以下的用法：
She called on you as well as I.
不但我来看你，她也拜访了你。
She called on you as well as me.
她不但拜访了我，也拜访了你。
在下列句中，as well as表示“像…一样”的涵义：
She as well as you is an English teacher.
她像你一样也是英文教师。
这里的谓语动词用is，不用are，因为句中的主语是she，不是she和you。
As well是副词短语，其义为“也”，相当于too，它一般放在句末，有时和连词and或but搭配使用。例：
He is a worker，and a poet as well.
他是工人，但也是诗人。
China possesses enormous quantities of coal and is rich in other minerals as well.
中国拥有大量煤炭，其他的矿藏也很丰富。
Mr.Liu can speak English，but he can speak Cantonese as well.
刘先生会说英语，但他也能讲广东话。
as well as 可连接并列的单词或短语
如果as well as 前面是动词不定式，那么其后的动词也是不定式，但to要省略应保持一致。
由as well as 连接的复合主语并不影响谓语动词的数
as well as 连接的人称代词既可以是主格也可以是宾格，但句意不同。
as well as 用于肯定结构和否定结构中，其意义不同
强调连续性和反复性，and连接相同的两个词，可以是动词、名词、形容词或副词
祈使句+and+简单句”结构，表示条件关系，祈使句相当于if引导的条件从句。
在口语中，and可用在come, go run, hurry up, stay, stop等动词后代替表示目的的动词不定式，这些词也可以接带to的不定式
and位于句首时常用来承上启下，有“那么;于是;因此”之意
and用来连接数词(=plus)时，表示“加”。
and all that = and so on = and so forth = and what not，意为“诸如此类;等等”。
and yet表示“但是;然而”。
as well as连接两个动词时，有三种情况：
1)前后两个动词的时态要一致。即：若第一个动词是一般现在时，第二个动词也应是一般现在时;若第一个动词是一般过去时，第二个动词也应是一般过去时。例如：
He publishes(published)as well as prints(printed)his own books.他的书是自己印刷并出版的。
2)如果第一个动词是复合时态，或由can，may， must等加动词构成时，as well as后面可省去助动词或情态动词，此时，as well as意为“既……又……”。例如：
We are repairing the roof as well as painting the walls.我们在粉刷墙壁，同时也在修理屋顶。
She can /could sing as well as dance.她既会跳舞也会唱歌。
3)如果第一个动词是不定式，as well as后面的动词也要用不定式，但要去掉to。例如：
You can't expect her to do the housework as well as look after the children.你不可能叫她既照管孩子又做家务。
5.注意as well as的另外两层涵义：
1)as well as还有“除……之外”之意。例如：
As well as knowing some Russian，she speaks English very well.除了懂得一点俄语之外，她的英语讲得很好。
2)as well as还可视为as...as结构，用于副词的同等比较。可解作“和……一样好”。例如：
He can speak English as well as you can.
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