八年级上英语比较级最高级

形容词的比较级和最高级

一、规则变化：

1、一般直接在词尾加er; est

eg:tall—taller--tallest light—lighter--lightest

2、以字母e结尾的直接加r; st

eg: nice—nicer—nicest fine—finer—finest

3、以辅音字母加y结尾的形容词，要变y为i再加er; est

eg: heavy—heavier—heaviest busy—busier--busiest

4、以重读闭音节结尾且末尾只有一个辅音字母的形容词，要双写末尾的辅音字母再加er; est eg: thin—thinner--thinnest hot—hotter—hottest big—bigger—biggest

（注：双写必须同时符合以下条件a.以辅音字母+元音字母+辅音字母结尾；b.中间的元音字母发单元音；c. 重读闭音。一般满足前两个条件多为双写的词）

5、多音节形容词或部分双音节形容词变比较级在前面加more,最高级在前加most

eg: beautiful—more beautiful—most beautiful

important—more important—most beautiful

注：older 一般指年龄大小；eg: My father is older than my mother.

elder指长幼关系(一般修饰名词作定语);

eg: My elder brother is a driver.

farther指距离更远；

further指抽像的. eg: I want to study English further.

further reading

形容词比较级的用法

1、两者之间的比较，句中有明显的标志词than

eg: Tom is taller than John

2、Which/Who is + 比较级, A or B ?

eg: Which is easier, maths or English?

3、能修饰比较级的副词及短：much(…的多)、a lot(…的多)、even(更…)、still （更…）、a bit(…一点儿)

This city is much more beautiful than that one

Today is even hotter than yesterday.

4、…is the +比较级+ of the two.

Tom is the taller of the two boys. 汤姆是这两个男孩中最高的

5、…数量+ 比较级than …

My father is three years older than my mother.

6、比较级+ and + 比较级，“越来越…”

Now it is hotter and hotter. 现在越来越热

7、The + 比较级…，the + 比较级…“越…，就越…”

The more , the better. 越多越好。

The more you eat, the fatter you will become.你吃得越多，你就越容易变胖注：Tom is the tallest boy in his class.

=Tom is taller than any other boy in his class.

=Tom is taller than the other boys in his class.

形容词原级的用法

1、very、so、quite、too等词后用原级

2、too … to ; so … that ;as … as 中间用原级

A + be + not as/so + 原级+ as

B A不及B…

形容词最高级的用法

1、the+最高级+ of/in (三者及以上范围的)

eg: My mother is the busiest in my family

2、one of the + 最高级 + 名词复数 + in/of

eg: Shenzhen is one of the biggest cities in China

3、the + 序数词 + 最高级 + 名词 + in/of

eg: The Yellow River is the second longest river in China

4、Which/Who is the + 最高级,A ,B or C ?

eg: Which is the biggest , the moon, the earth or the sun ?