副词的比较级：
副词和形容词一样,也有它的比较级形式。表示两个人或事物之间的比较。用来修饰形容词、动词、其他副词或者整个句子。
副词的比较级的用法：
1）单独使用：
如：Try to do better next time.下次争取干好一点。
I had seen the film only a few days earlier. 我是几天前才看的这部电影。
He'll come back sooner or later. 他迟早会回来的。
Please speak more slowly. 请讲慢一点。
I determined not to travel farther that night. 我决定那天晚上不再往前走了。
2）和than一起使用：
如：He swims better than I do. 他游泳游得比我好。
He works less than he used to. 他工作的时间比以前少了。
Can you do any better than that? 你能不能干的好一些？
He arrived earlier than usual. 他到的比平时早。
He studied the subject further than I do. 这问题他研究得比我深。
3）比较级前可有状语修饰：
如：You must work much faster. 你必须大大加快干活的速度。
He walked no further. 他没在往前走。
She could dance even more gracefully than a dancer. 她能比舞蹈演员跳的更美。
Helen came late, but her sister came still later.海伦来晚了，而她妹妹来得更晚。
Can you come over a bit more quickly? 你能稍稍快点来吗？
as...as和notso...as结构：
1）as...as可用在肯定句中，表示“像…一样”，后面的副词要用原级：
如：She can run as fast as a deer. 她能跑的像鹿一样快。
They work as hard as you do. 他们工作像你一样努力。
I hate him as much as you do. 我像你一样恨他。
2）在否定句中，as...as和so...as都可以用：
如：I don't go there as much as I used. 我现在到那里不象过去那么多了。
Ididn't do as(so) well as I should. 我做的不如我应做的那么好。
I can't jump so(as) loudly as Bill. 我跳高不如比尔。
3）这种句子中也可以有一个表示程度的状语：
如：I don't speak half as(so) well as you. 我讲的不及你的一半好。
She can read twice as fast as he does. 她阅读的速度比他快一倍。
The substancere acts three times as fast as the other one. 这种物质的反应速度是另一种物质的三倍。
副词比较级的构成：
副词的比较级的构成与形容词的类似，有规则和不规则变化。
规则变化：
原级 | 比较级 |
hard | harder |
fast | faster |
early | earlier |
多数副词是在前面加more构成比较级 | more quickly |
more slowly | |
more carefully |
不规则变化：
原级 | 比较级 |
badly | worse |
much | more |
far | farther |
further | |
well | better |
little | less |
比较等级用法注意事项：
1）比较的对象应当一致。
如：It's hotter in Guang zhou than Beijing.（误）
It's hotter in Guang zhou than in Beijing.（正）
A woman's heart beats faster than a man.（误）
A woman's heart beats faster than a man's.（正）
2）不能与自身相比较。应借助other或else来表达排除。
如： Beckham is more popular than any footbal lplayer in the world.（误）
Beckham is more popular than any other football player in the world（正）
Beckham is more popular than all the other football players in the world.（正）
Beckham is more popular than any football player, else in the world.（正）
Beckham is the most popular football player in the world.（正）
3）形容词和副词的比较级前可以用以下单词来修饰：much,even,far,abit,alittle,alot，still等。
如：This pair of shoes is even cheaper.
The new text book is a little thicker than the old one.
He is five years younger thanI.
4）在比较级的句子中出现“of the two”之类的结构时，比较级前也需加定冠词the。
如：He is the shorter of the two boys.
Which is the larger country, Canada or Australia?
5）“比较级+and+比较级”结构，表示“越来越……”，多音节词则要用“more+and+more+原级”。
如：A block of ice is becoming smaller and smaller.
I am more and more interested in history.
6）“the+比较级，the+比较级”结构，表示“越是……就越”。
如：The sooner, the better.（越快越好。）
The busier he is, the happier he feels.
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