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表达比较双方程度相似时
as + adj. / adv.(原级) + as… : 和…同样
eg. He is as tall as Michael.
I run as fast as you.
2. 表达比较双方程度不一样步
not as / so + adj. / adv. (原级) + as…: …不如…
eg. This book isn’t as / so interesting as that one.
Sally doesn’t sing as / so loudly as Lily.
We can’t jump as far as he.
想一想：not加在什么位置？
1. My brother is as thin as me.
2. He lives as happily as others.
3. Your eyes are as small as his.
4. He feels as disappointed as you.
5. She looked as sad as Maria.
My brother is not as / so thin as me.
He doesn’t live as / so happily as others.
Your eyes are not as / so small as his.
He doesn’t feel as / so disappointed as you.
改成否定句
She didn’t look as / so sad as Maria.
Exercise
1. 我的头发和她的同样长。 *相似物体才能做比较
2. 今天和昨天同样冷。
3. 你做作业不如他那样仔细。
4. 我们跑得不如刘翔那样快。
5. 我刚刚吃得不如我弟弟多。
My hair is as long as hers. hers=her hair
Today is as cold as yesterday.
You don’t do homework as / so carefully as he.
We don’t run as / so fast as Liu Xiang.
I didn’t eat as much as my brother.
四种特殊用法
as + adj. / adv. + as usual: 像平常同样…
他今天早上跟平时同样早去学校。
He went to school as early as usual this morning.
我昨晚无法睡得像平时同样好。
I couldn’t sleep as well as usual last night.
2. as + adj. / adv. + as before: 像此前同样…
他上周天跟此前同样晚起。
He got up as late as before last Sunday .
她似乎不像此前同样开心了。
She doesn’t seem as / so happy as before.
Attention!
3. …as+ adj./adv. + as possible ：尽量…
我们应当尽量努力学习。
We should work as hard as possible.
老师叫我们尽量多地读英语。
The teacher asks us to read English as much as
possible.
Attention！
4. as + adj./adv. +as sb. can/could（尽某人所能… ）
他尽他所能快地跑。
He ran as fast as he could.
我们尽我们所能做好这项工作。
We did the work as well as we could.
我会尽我所能地学好英语。
I will learn English as well as I can.
漳州的天气不如北京的天气冷。
The weather in Zhangzhou isn’t as cold as that in Beijing.
我们学校图书馆的书跟你书房里的同样多。
The books in our school library are as many as those in your study .
都市里的空气不如农村里的清新。
The air in the cities isn’t as clean as that in the countryside.
Attention！
5. as + adj. / adv. + as that / those…
that ----u. those----
. 我踢足球不如他好。
I don’t play soccer as well as he.
He plays soccer better than I.
我不像他那样懒惰。
I’m not as lazy as he.
He is lazier than I.
你读得不如她大声。
You don’t read as loudly as she.
She reads more loudly than you.
总结转换特点：主语，肯否认
同级比较与比较级的互相转换
1. Maria is healthy. Jane is healthy, too.
Maria is ____ _________ ____ Jane.
2. My English is good. His English is good, too.
My English is _____ ______ _____ _____.
3. I’m more helpful than he.
He _____ _____ _______ _____ I.
4. Michael doesn’t do as well in English as Kangkang.
Kangkang _____ ______ _____ English _____ Michael.
Michael’s English isn’t ____ _____ ____ Kangkang’s.
as healthy as
as good as his
isn’t as helpful as
does better in
than
as good as
Exercise
6. 乡村的路不如都市的宽。
The roads in the countryside ______ ____ _____ ____
______ in the cities .
7. He runs more slowly than I .
I run ______ _______ he .
He ______ _______ ______ ______ _______ I .
8. 他像此前同样勇敢。
He is _____ ______ ____ _______ .
9. 他们像平常同样快乐地交谈。
They talked _____ ________ ______ _______ .
10. 你吃得不如我多.
You _____ _____ ____ ______ _____ I .
aren’t as wide as
those
faster than
doesn’t run as fast as
as brave as before
as happily as usual
don’t eat as much as