形容词和副词比较级.ppt

形容词(adj.)和副词
(adv.)的原级，比较级，最高级的用法
1
形容词：用于修饰名词或代词，描述被修
饰成分的性质、特征、状态或属性等。
Eg.
This is a good book. (修饰名词book)
She is beautiful.(修饰代词she)
副词：主要用于修饰动词、形容词和副词，整个句子，描述被修饰成分的特征或状态。
plays basketball well.(修饰动词play)
She is very beautiful.(修饰形容词beautiful)
Jim plays basketball very well.(修饰副词well)
2
Exercises :
should have a __________ diet . (health)
shouldn’t eat ____________ food. ( health )
3. I would like to have ________ rice dumplings .
( salt )
4. Though my grandpa is over 80, he still lives _________. ( health )
5. The teacher made a ____________ to us just now . ( suggest )
6. Tom looks ________ in that blue overcoat .
( fun )
healthy
unhealthy
salty
healthily
suggestion
funny
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7. I like ___________ fish ( steam ) because it tastes _________. ( taste )
8. You can buy ice-cream in the ________ food section . ( freeze )
9. People usually wear heavy coats in ________ weather . ( freeze )
10. Don’t talk _________ in class . ( loud )
steamed
tasty
frozen
freezing
loudly
4
形容词和副词的比较等级
（假设A和B为进行比较的人或事物）
1、原级：使用形容词或副词原形，表示A与B一
样（或不一样）as+形容词、副词的原级+ as ;
not as/so形容词、副词的原级as ; not as --- as
2、比较级：使用形容词或副词比较级形式，表
示A与B二者相比哪一个更……。用than连接。
3、最高级：使用形容词或副词最高级形式，表
示三者（或三者以上）相比哪一个最……。
in +地点范围；of+与主语一致的范围
5
形容词或副词比较级和最高级的构成
1）规则变化
单音节词和少数双音节词词尾加er/est变为比较级/最高级。（加er/est方法与动词变过去式加ed方法相同）。
Eg. tall – taller/tallest nice – nicer/nicest
big – bigger/biggest easy – easier/easiest
clever – cleverer/cleverest (clever双音节)
多音节词和一些双音节词在该词前加more/ most变为比较级/最高级。以ly结尾的副词除early以及不规则变化外，也应加more/most。
Eg. interesting – more/most interesting
careful – more/most careful
slowly – more/most slowly
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er 或est.
　　　tall-taller-tallest ； long-longer-longest
young-younger-youngest ； soon-sooner-soonest
clever-cleverer-cleverest ； fast-faster-fastest
cold-colder-coldest ； ne