形容词比较等级（精选）.ppt

初四课件
Unit 9 The world’s highest moutian is 8,844 meters high
荣成三十五中学
Show Learning aims(学习目标)
学习并掌握形容词与副词的比较级和最高级的构成。
学会运用形容词与副词的比较等级。
◇Look at the pictures and understand
The Yellow River (5,500Km)
The Yangtze River(6300Km)
The yangtze River is longer than the Yellow River
The fastest in the world
The highest mountain in the world
Qomolangman
parative and Superlative Degrees of Adjectives and Adverbs(形容词和副词的比较级和最高级)
大多数形容词和副词有三个等级:
1、原级,即原形。(没有比较时用原级)
2、比较级,表示“较……”或“更……一些”。(两者比较时用比较级)
3、最高级,表示“最……”的意思。(三者以上用最高级)
一、形容词和副词比较级和最高级的构成
1、规则变化
构成方法
原级
比较级
最高级
单音节词和少数多音节词
一般在词尾加-er/ə/或-est/ist/
cold
colder
coldest
fast
faster
fastest
以字母e结尾的形容词,加-r或-st
nice
nicer
nicest
large
larger
largest
重读闭音节词只有一个辅音字母时,应先双写辅音字母;再加-es或-est
big
bigger
biggest
hot
hotter
hottest
以“辅音字母+y”结尾的双音节词,先改“+y”结尾的双音节词,先改“y”为“i”,再加-er或-est
easy
easier
easiest
early
earlier
earliest
多音节词和部分双音节词
在词前加more或most
tired
more tired
most tired
easily
more easily
most easily
原级
比较级
最高级
good / well
better
best
bad / badly
worse
worst
many / much
more
most
little
less
least
far
farther
farthest
further
furthest
一、形容词和副词比较级和最高级的构成
2、不规则变化
◇Look at the pictures and understand 看图并理解
big
as
as
The yangtze River is longer than the Yellow River.
The Yellow River is not as(so) long as the Yangtze River.
The Yellow River
The Yangtze River
The Yellow River is less long than the Yangtze River.