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深圳SAT语法之as的用法

2020/5/9 22:42:31发布146次查看

sat语法之as的用法!新航道小编为大家整理出一些关于sat语法中关于as的用法,希望可以对大家有一定的帮助。
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一、as用作关系代词引导定语从句
1.as引导非限制性定语从句,一般不指代某个具体的名词或代词,而是代表整个主句或主句的一部分。这种从句可放在主句之前,也可以放在主句之后有时还可以放在主句的中间。如:
as is reported in the newspapers,talks between the two countries are making progress.正如在报纸上所报道的,两国间的谈判有所进展。
grammar is not a set of dead rules,as has been said above.如上所说,语法不是一套死条文。
spiders are not insects as many people think,nor even nearly related to them.蜘蛛不是昆虫,尽管许多人都这样认为,它甚至与昆虫几乎没有联系。
2.as引导限制性定语从句,主要用于the same…as(与……相同),such…as(像……一样),as…as(与……一样)。如:
she knew he felt just the same as she did.她知道他的感受和她一样。
such a man with a good temper as mr.li is is easy to get along with.像李先生这样好脾气的人是容易相处的。
大家不难发现sat语法真题中关于as的考察还是比较多的。这部分的sat语法考点大家需要了解。
二、as作为从属连词引导时间状语从句
表示“当……的时候”或“一边……一边”,强调主句的动作和从句的动作同时发生。如:
i saw him as he was getting off the bus.当他下公共汽车的时候我看见了他。
the boy was singing a popular song as he was bicycling.这男孩边骑车边唱歌。
as she grew older,she became less active.当她长大一点的时候,就变得不那么活泼了。
三、as作为从属连词引导原因状语从句
as引导的原因状语从句常放在主句前,表示“因为,由于”。如:
as she is a model teacher,she gives a good example to others.因为她是一名模范教师,她给其他人树立了一个好的典范。
as he wasn’t ready in time,we went to the cinema without him.由于他没有及时准备好,我们就去看电影了没有等他。
四、as作为从属连词,引导让步状语从句
as引导让步状语从句比较特别,它要求将主语和谓语或谓语的一部分倒装。如:
try as she may,she never succeeds.尽管她很努力,但总是不成功。
much as i admire mr.wang as a poet,i don’t like him as a man.尽管我喜欢王先生的诗歌,但我不喜欢他的为人。
注:当倒装后置于句首的名词为单数可数名词时,习惯上不带冠词。如:
boy as he was,he was made king.尽管他还是个孩子,却被立为国王了。
五、与其他词搭配使用构成从属连词引导从句
1.as if/as though。表示“好像、仿佛”,引导表语从句或方式状语从句。如:
it looks as if/as though it is going to snow.看起来要下雪啦。
he looks as if/as though he had seen a ghost.他的脸色看起来好像他看见了鬼。
2.as[so]long as。“只要”引导条件状语从句。如:
as[so]long as you can keep away from them,you will be safe.只要你能远离他们,你就安全了。
i’m happy as long as you are happy.只要你幸福,我就感到幸福了。
3.as[so]far as。表示“在……的范围内”,引导限制状语从句。多用于下列结构:as[so]far as i know(据我所知),as[so]far as i can see,as[so]far as i’m concerned(依我看)。如:
as[so]far as i know,the couple have been abroad for about five years.据我所知,这对夫妇已经出国约五年了。
there’s only one thing to be done now,as far as i can see.依我看。现在只有一件事情要做。
4.as soon as,表示“一……就”引导时间状语从句。如:
as soon as he got off the plane,he telephoned her girl friend.他一下飞机就给他的女朋友打了个电话。
zui后希望大家可以再sat考试中取的优异的成绩。

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