Unit 7 what's the highest mountain in the word 形容词原级，形容词比较级和最高级之间的转化（课件11张）

(共12张PPT)
八年级-下册-Unit 7
课题：Unit 7 What’s the highest mountain？难点名称：形容词原级，形容词比较级和最高级之间的转换
目录CONTENTS
复习导入
形容词的比较级最高级构成方式:
1.一般单音节adj 的比较级多在原形上加-er,最高级加-est.
多音节adj在原形前加 more,最高级加 most
2.辅音字母加y结尾时,比较级去y变i再加-er,最高级去y变i再加-est.
3. 以不发音的e结尾时加-r/-st. eg. fine → finer → finest
4. 重读闭音节结尾的词,如末尾是一个辅音字母,双写这个辅音字母,再加-er/-est.eg. big → bigger → biggest
5.不规则adj的比较级与最高级如下:
原级 比较级 最高级
good/well better best
bad/badly worse worst
many/much more most
old older/elder oldest/eldest
far farther/further farthest/further
little less least
as… as (和… 一样)
Snow White
Snow White is as beautiful as the flower.
The flower is beautiful, Snow White is beautiful, too.
beautiful
＝
知识讲解
funny
heavy
handsome
A is as ________ as B
Queen
not as/so as 不如…
Queen isn’t as/so beautiful as Snow White.
Queen is less beautiful than Snow White.
less + 原级 than =
＜
Queen is not beautiful, Snow White is beautiful.
funny
heavy
heavy
handsome
handsome
funny
A isn’t as/so _________ as B
A is less __________ than B.
The 7th dwarf
The snow White
kinder--kindest
Snow White is the kindest of them.
Snow White is kinder than any other person of them.
The 形容词最高级= 形容词比较级 than any other+名单=形容词比较级 than the other+名复
Snow White is kinder than the other persons of them.
知识讲解
I’m twelve. My friend is ten.
I’m ______ than my friend.=my friend is
____ ___ than I am.
My friend is _______ than I am.
I’m not ____ ____ as my friend.
My friend is not __ __ as I /me.
older
younger
so/as young
so old
课堂练习
用not so as/ less 形容词原级 than和比较级转化
less old
Bill is the tallest in our class.
Bill is _____ than ____ ____ ______ in our class.
Bill is _____ than ____ ____ ________ in our class.
Shanghai is larger than any other city in China.
Shanghai is ______ _____ _____ in China.
taller
any other student
the largest city
The 形容词最高级=
形容词比较级 than any other+名单=
形容词比较级 than the other+名复
taller
the other students
课堂练习
表示比较的双方程度相同，用什么结
构呢？那程度不同用什么结构呢？
A be as…as B (前者像后者一样…)
A be not as/so…as B(前者不如后者)
= A be less 形容词原级 than B
表示在三者以上的同类事物进行比较，
用什么结构呢？还可以用什么结构呢？
A be the 形容词最高级 ( of/in 范围）
A be 形容词比较级 than any other+名单 ( of/in 范围）
A be 形容词比较级 than the other+名复 ( of/in 范围）
小结
Thank you!