八年级英语比较级和最高级讲解与练习
比较级和最高级
一、比较级的用法:
当两个人或事物（A和B）进行比较时，我们需要用到形容词（副词）的原级或者比较级
1．表达“A和B一样”，用as…as的结构。
公式: A+be动词+as+形容词原级+as…+B
A+实义动词+as+副词原级+as…+B
Eg I am as tall as
you.
He runs as fast as
I.
我的房间和她的一样大。
他游得和我一样好。
2．表达“A不如B”用not as…as的结构。
公式: A+be动词的否定形式+as+形容词原级+as…+B
A+助词的否定形式+动词+as+形容词原级+as…+B
Eg I am not as tall as
you.
He doesn’t run as fast as
I.
我的房间没有他的大。
我没有他游得好。
3. 表达“A大于B”用“比较级+than”的结构。
公式: A+be动词+形容词比较级+than+B…
A+实义动词+副词比较级+than+B…
Eg I am taller than you.我比你高。
He runs faster than I. 他跑得比我快。
我的房间比他的
大。
我游得比他的
好。
4. 表示A 是...中最大的结构
公式： A+be动词+the +形容词最高级+范围
A+实义动词+the+形容词最高级+范围
I am the tallest in my
class.
He runs the fastest in my
class.
我的房间是这里最大
的。
我游得是我们班最好
的。
二.形容词和副词的比较级和最高级的变化方法如下
(1) 符合规则的：
(2)几个不规则的形容词和副词的比较级和最高级如下表：
练习1：写出下列词的比较级和最高级
tall ﹍﹍﹍﹍ slow ﹍﹍﹍
﹍ small ﹍﹍﹍﹍ fast ﹍﹍﹍﹍ smart ﹍﹍﹍﹍ few ﹍﹍﹍﹍
nice ﹍﹍﹍﹍ fine ﹍﹍﹍
﹍ large ﹍﹍﹍﹍
late ﹍﹍﹍﹍ brave ﹍﹍﹍﹍
pretty ﹍﹍﹍﹍ easy ﹍﹍﹍
﹍ funny ﹍﹍﹍﹍
happy ﹍﹍﹍﹍ lazy ﹍﹍﹍
﹍ heavy ﹍﹍﹍﹍
dirty ﹍﹍﹍﹍ dry ﹍﹍﹍
﹍ early ﹍﹍﹍﹍
busy ﹍﹍﹍﹍
slim ﹍﹍﹍﹍ hot ﹍﹍﹍
﹍ big ﹍﹍﹍﹍
thin ﹍﹍﹍﹍ fat ﹍﹍﹍
﹍ wet ﹍﹍﹍﹍
beautiful ﹍﹍﹍﹍﹍﹍﹍
﹍ interesting ﹍﹍﹍﹍﹍﹍﹍﹍
important ﹍﹍﹍﹍﹍﹍﹍﹍ dangerous ﹍﹍﹍﹍﹍﹍﹍﹍
expensive ﹍﹍﹍﹍﹍﹍﹍﹍ polite ﹍﹍﹍
﹍﹍﹍﹍﹍
careful ﹍﹍﹍﹍﹍﹍﹍﹍ exciting ﹍﹍﹍﹍
bad/badly/ill ﹍﹍﹍﹍ little ﹍
﹍﹍﹍
many/much ﹍﹍﹍﹍ old ﹍﹍﹍
﹍﹍﹍﹍﹍
far ﹍﹍﹍﹍﹍﹍﹍﹍
练习2 填空
1. Bob is _________ ( young ) than Fred but ___________ (tall) than Fred.
2. Yingtian is not as ___________ (tall) as
Yongxian.
3. Almost all the students' faces are the same but Li Deming looks _______(fat) than before .
4.Which is _________ (heavy), a hen or a chicken?
5. He is ______ (bad) at learning maths. He is much _______ (bad) at Chinese and he is the _________ (bad) at
English.
6. Annie says Sally is the ________ (kind) person in the world.
7. An orange ia a little ______ (big) than an apple, but much
________ (small) than a watermelon.
8. The Changjiang River is the _______ (long) river in
China.
9. Sue is a little _________ __ (beautiful) than her sister.
10.My room is not as _________ (big) as my brother' s.
11.--How difficult is physics? --I' m not sure.
-- Is it ________ (difficult) than maths? -- I don' t think so.
12.-- Annie plays the piano very ___________ (well).
-- Sue plays it _____ (well) than Annie. And Sally plays it the
_______(well).
13. Saturday is my _________ (busy) day in a week.
练习3：选择
1. Which do you like _______, tea or coffee?
A. well
B. better
C. best
D. most
2.This work is _______ for me than for you.
A. difficult
B. most difficult
C. much difficult
D. more difficult
3.Who jumped_______of all?
A. far
B. farther
C. farthest
D. the most far
4.Li Lei is_______ student in our class.
A. tall
B. taller
C. tallest
D. the tallest
5. Tom is one of _______ boys in our class.
A. tallest
B. taller
C. the tallest B. the tall
6. English is one of_______ spoken in the world.
A. the important languages
B. the most important languages
C. most important language
D. the most important language
7. Which is_______, Li Lei or Wu Tong?
A. strong
B. strongest
C.
stronger D. the strongest
8..Jean works hard but she doesn’t work ____ Mary.