英语--比较级最高级
（一）形容词、副词比较级和最高级的构成：
beautiful—more beautiful—(the) most beautiful
3. 由形容词加ly构成的双音节词和多音节词,都是在该词前加-more/most.
quickly—more quickly—(the) most quickly
difficultly—more difficultly—(the) most difficultly
1. 原级的用法:
用于两者之间对比，意思为“„„和„„相同”
A+v.+as….+形容词原级as B
Tom is as honest as Jack.
Her skin is as white as snow.
My dog is as old as that one.
The weather here is not as(=so)cool as the weather in Harbin
2. 比较级的用法:
1）A+形容词比较级+than+ B
Susan is happier than Jane.
His brother is younger than me.
Beijing is more beautiful than Osaka.
形容词比较级前还可以用much, even, still, a little来修饰。
2）数字+形容词比较级+than
I’m two years older than you.
She is a head taller than me.
3）比较级+and+比较级，表示“越来越„„”
The earth is getting warmer and warmer.
China becomes more and more stronger.
4）the +比较级，the +比较级结构，表示“越„„就越„„” The more I study it, the more I like it.
5）which/who +is +比较级
Which city is bigger, Beijing or Tianjin?
Who is happier, you or me?
3. 最高级用法：
用于三者及以上的人或事物的比较,最高级前加the，最高级前有物主代词，序数词和名词所有格时，不加定冠词，后面跟带in或of表范围的短语。
1）one of the +最高级
Shanghai is one of the most beautiful cities in China.
Our city is one of the safest cities in the world.
Most people like apples.
Most of the boys are good.
It is our nearest neighbor in space.
（三）副词比较级和最高级的用法：
1. 原级主要的句型：
1）as+副词原级+as
Tom runs as fast as Jones.
not as/so+副词原级+as
He didn’t come as/so early as Li Lei.
2）too+副词原级+to do sth.
Jean rides too slowly to catch up with me.
3）so +副词原级+ that
Jean rides so slowly that she can’t catch up with me.
4）副词原级+enough to do sth.
Jean doesn’t ride fast enough to catch up with me.
2. 比较级的用法：
1）比较级+than。当前后使用的动词相同时，通常用助动词来代替后面的动词，该动词或助动词可以省略。
Lily run faster than Mary(did).
2）比较级+and +比较级
The days are getting longer and longer in summer.
3）the more…the more…
The harder you work, the better you will learn.
3. 最高级的用法：
副词最高级前一般有the，也可省略。
He works (the) hardest of all the students in the class.
（四）课堂练习：
单选：
1. The air in Beijing is getting much now than a few years ago.
A. clean B. cleaner C. cleanest D. the cleanest
2. —is your grandpa, Emma?
—He’s watering the flowers in the garden.
A. When B. What C. Where D. How
3. Nowadays science fiction isn’t as as cartoons among teenagers.
A. popular B. more popular C. less popular D. the most popular
4. We are glad to see that Shanghai is developing these years than ever before.
A. quickly B. less quickly C. more quickly D. the most quickly
5. The cheese cake tasted so that the kids asked for more.
A. delicious B. well C. bad D. badly
6. She looks very A. tired B. hard C. well D. hardly
7. —do you play computer games?
—Once a week.
A. How soon B. How often C. How long D. Howmany
8. The population of Tianjin is than that of Shanghai.
A. larger B. less C. smaller D. fewer
9. It’s raining . We have to stay at home instead of goingfishing.
A. badly B. hardly C. heavily D. strongly
10. —Can you give a hand with this table? I want to move it. —Sure. are you going to put it?
A. Why B. How C. Where D. When
11. Guo Yue did quite at the World Table Tennis
Championship, but Zhang Yining did even A. better, well B. well, well C. well, better D. better, better
12. —Tom is six and he is his sister Jane. How old is Jane?
—Three.
A. twice as old as B. two years older than
C. three years younger than D. as old as
13. —Remember, boys and girls. you work, result you will get.
—We know, Miss Gao.
A. The better, the harder B. The harder, the better
C. The hard, the better D. The harder, the good
14. Jack has three friends. Mike is the of the four.
A. most cleverest B. more clever C. cleverest
D. clever
15. —In our English study reading is more important than speaking. I think.
—I don’t agree, speaking is than reading.
A. as important as B. so important as
C. the most important D. the same as