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《Lesson 3 The Sea World》教案优质课下载
Step1 warm up
Have a look at some sentences about comparison of adjectives. And do some exercises accordingly.
Step2 Explanation of the grammar rules
一.形容词和副词比较等级的用法
1) 原级比较：表示两者程度相同。用句型： as + 形容词/副词 + as，否定形式为：not as/so + 形容词/副词 + as。 如：
Dick is as tall as his brother.
Tom speaks as quickly as his cousin.
I have never seen a person as/so clever as he is.
2) 比较级：
A. 表示A超过B。此时使用形容词和副词的比较等级。
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, far, a lot, a bit, much more来修饰。 very, so, too, quite 不能修饰比较级。
B. 表示A不如B。 用“less + 形容词/副词的原级”表示。
Rabbits ran less fast than dogs.
Jenny is less clever than her sister.
It rains less often here in autumn than in spring.
3) 形容词和副词比较级的特殊用法
A. 越来越……，
You are growing taller and taller.
你越长越高了。
English is becoming more and more important.
英语越来越重要了
B. 越……，越……，