八上英语复习一

形容词、副词等级的用法

1． 原级的用法

(1)动词+as+原级（adj./adv.）+as…(和….一样)

Tom is as old as Kate.

(2) 动词+not+as/so+原级（adj./adv.）+as…(不如、不及)

This room is not as/so big as that one.

Tom doesn't run as/so fast as Tim.

(3) too,very,so,quite,pretty,rather+原级

Kate is too tired to walk.

(4)动词+倍数+as+原级（adj./adv.）+as…(一倍once;两倍twice;一倍以上用"数词+times")

The class is twice as big as that one.

2． 比较级的用法。

(1)…….比较级，A or B?

Which is bigger, the earth or the moon?

(2)…….比较级+than……

Kate has longer hair than Mary.

(3)the+比较级+of the two "两者之间一个更/较……"

Tom is the taller of the two.

(4)the+ 比较级，the+ 比较级 "越……越……"

The more careful you are, the fewer mistakes you'll make.你越认真，犯的错误就越少。

(5)用比较级表示最高级的意思

The Yangtze River is longer than any other river in China.

(=The Yangtze River is the longest river in China.)

在中国，长江比其它任何一条河都长

(6)比较级的否定表最高级

I can't agree with you more.

我再同意你不过了。（我完全同意你的意见。）

-What do you think of Ms.Song?

-Nobody teaches better than her.没有人教得比她更好。

(7)只有同类的才能进行比较（即相比的对象要相同）

Her hair is longer than I/me.(X)

Her hair is longer than mine.(V)

(8)在做比较时，为了避免重复，后面的名词，若是不可数名词用that代替；若是可数名词单数用one代替；若是复数可数名词用those 或the ones 代替。

The weather in Guangzhou is different from that in Harbin.

(9)可以修饰比较级的词：much, a lot, far, a little, a bit, even, still

3． 最高级的用法

(1)……最高级，A,B or C?

Which country is the largest, China, Brazil or Canada?

(2)……最高级+in/of/among短语

He is the tallest student in our class.

(3)……one of +the+最高级+复数名词+…….

"……是最……的之一"

Shanghai is one of the largest cities in China.

(4)……the+序数词+最高级+……

"第几最……"

The Yellow River is the second longest river in China.