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状语从句指句子用作状语时,起副词作用的句子。比较状语从句是其中较为特殊的一种,因为比较状语从句主要运用于形容词和副词的原级、比较级及最高级的句子之中。(其它状语从句一般用来修饰动词)

比较状语从句和其它状语从句一样,起副词作用。

引导比较状语从句的连词主要是 as 和 than,这类从句和大多数状语从句不同,它们不修饰动词,而是修饰 as,so,less,more 等副词(形容词),或其他比较级的词,如 taller, harder。

1. 同级比较

  1. as / so + 原型 + as(和 …… 一样)

    其中 as / so 是副词,意思是 “同样的”,后一个 as 是连词,如

    My hometown is as / so beautiful as Hangzhou.

    She is as tall as I(or me).

  2. no + 比较级 + than(最多和 …… 一样,只不过),如

    I have no more than two dollars left in my pocket.

    我口袋里只剩下两元钱了。(有钱少的含义)

  3. not more than(不多于),如

    I have not more than two dollars left in my pockets.

    我口袋里顶多还有两元钱。(没有钱多钱少的含义)

  4. no less than(至少和 …… 一样,不亚于),如

    He has got no less presents than I did last time.

    他收到的礼品不亚于我上次收到的。(有收到多的含义)

  5. not less than(不少于),如

    He has got not less presents than I did last time.

    他收到的礼品不少于我上次收到的。(不包含多或少的含义)

2. 优级比较

  1. 比较级 + than(比 …… 优上),如

    Our class is bigger than yours.

    我们班的规模比你们的大。

    She is tall this year than (she was tall) last year.

  2. the 比较级 + the 比较级(越如何就越如何),如

    The more we can do for you, the happier we will be.

3. 差级比较

  1. less + 原型 + than(不如,比 …… 差),如

    This kind of food is less expensive than that one.

    这种食品不如那一种贵。

  2. not so + 原型 + as(不如,不及),如

    The film today is not so interesting as the one yesterday.

    今天的电影不如昨天的那个有意思。

4. 最高级

最高级应该不算状语从句了,这里顺带提一下。

  1. The most … in / of

    This book is the most interesting of the three.

  2. the + 形容词最高级 + in / of

    This road is the busiest street in our city.

5. 其它特殊形式

  1. in proportion as

    Men are happy in proportion as they are virtuous.

    人之幸福与德行成正比。

    Some people are happy in proportion as they are noticed.

    有些人越受到注意就越高兴。

  2. one of the + 最高级形容词 + 名字复数

    Han Mei is one of the best students in our school.

    韩梅是我们学校最好的学生之一。