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小学英语语法集锦:As的用法(2)

网络资源 2018-06-13 17:54:27

  3. 引导让步状语从句

  as与although (或though),however (或no matter how)等都可以引导让步状语从句,含义是“虽然,尽管”,但它们有区别:although语气稍正式些,可放在句首,也可放在句中,主句中不能再用 but,但可以用yet;as所表示的语气较强,引导的让步状语从句用倒装语序;however引导让步状语从句时,它的后面可跟形容词或副词,也要用倒装语序。例如:

  Although they are poor they are happy. 虽然他们很穷,但很快乐。

  Angry as he was, he managed to speak calmly. 虽然他很生气,但是他讲话很平静。

  However hard the question is, he can answer it. 不管问题有多难他都能回答。

  注意:当as引导让步状语从句时,句子的倒装语序有以下三种形式:

  (1). 形容词或副词+as+主语+连系动词be或实义动词。例如:

  Rich as he is, he never spends a cent on clothes. 虽然他很富有,但他从不花一分钱在衣服上。

  Much as I admire his courage, I don’t think he acted wisely. 我虽然佩服他的勇气,但我认为他这样做是不聪明的。

  (2). 名词+as+主语+连系动词be (注意句首的名词不带冠词)。例如:

  Child as he is, he knows a lot. 尽管他是个孩子,但懂很多事情。

  Boy as he was, he was chosen king. 尽管他还是个孩子,但却被立为国王。

  (3). 实义动词+as+主语+助动词[如果没有助动词,则要加上一个do(does或did)]。例如:

  Try as he may, he never succeeds. 尽管他很努力,但总是不成功。

  Change your mind as you will, you will gain no additional support. 即使你改变主意,你也不会得到另外的支持。

  4. 引导方式状语从句,意为“如”,“像”,“按照……的方式”。如:

  I want you to tell my friend your very interesting experience exactly as you have told it to me. 我想让你像给我讲述的那样,给我的朋友讲一讲你那段极其有趣的经历。

  Remember, you must do everything as I do. 记住,你必须按照我做的那样做一切。

  注意:like在非正式语体中可以有与as相同的用法。如:

  I can’t sing like I used to.我不能像以前那样唱歌了。

  He writes just like his brother did when he was young. 他现在写文章正像他哥哥年轻时写文章一样。

  5. 引导比较状语从句,用于“as...as...或 not so/ as...as...”中,前一个as是副词,后一个as是连词,意为“如(不如)…一样”。如:

  (1). You hate her as much as I (=as I hate her).

  (2). I don‘t speak English so/ as well as he does.

  注意:句中连词as后面的代词实际是省略了与主句相同的部分,即例(1)可以写成You hate her as much as I hate her. 如果很明显就能看出所省略的部分,意义不会含糊不清时,在口语中也可以用代词的宾格形式。例:At your age you can’t expect to play football as well as me (= as I do).但例(1)就不能改I为me,改后意思就变为:You hate her as much as you hate me. 你恨她像恨我一样深;而原句的意思为:你恨她像我恨她一样深。

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