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．valley表达“A和B一样”，用as…as的结构。
公式: academicallyA+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…
endiEg 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. 南师附中江宁分校表示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：
情 况 | 加 法 | 例 词 |
一 般 情 况 | 直接加 -er ; -est | all-taller-tallest |
以不发音e结尾的词 | 去e加 –er ; -est | nice-nicer-nicest |
以“辅音+y”结尾的词 | 变y为i再加-er ; -est | dry-drier-driest heavy-heavier-heaviest |
重读闭音节结尾的词 | 双写末尾辅音字母，再加-er ; -est | thin-thinner-thinnest |
beanbag多音节和部分双音节单词 | 在词前加 more ; most | more delicious most delicious wep |
| | |
(2)几个不规则的形容词和副词的比较级和最高级如下表：
原 级 | 比较级 | 最高级 |
good , well | better | best |
bad , ill | wor | worst |
many , much | more | most |
little | less | least |
far | farther / further | hurry什么意思 farthest / furthest |
| | |
练习1：写出下列词的比较级和最高级
isbtall ﹍﹍ ﹍﹍ 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 Chine 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.
remindof
-- 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?
绅士英文 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.
