形容词比较等级.ppt

1、初四课件,Unit 9 The worlds 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,Qomolangman,The Comparative

2、 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,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,The yangtze River is longer than the Yellow Ri

3、ver.,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.,二、形容词和副词的比较级和最高级的用法,1、表示“和一样”，用“as+原级+as”结构。 eg: He likes her as much as he likes his sister. 2、表示“不如”，用“not as/ so+原级+as”结构或“less+原级+than”结构 eg: He

4、 does not smoke as/ so heavily as his brother. He smokes less heavily than his brother. 3、表示“比更”，用“比较级+ than”结构。 eg: She sees me more often than she sees her brother. 4、表示“中最”,用“最高级+比较范围”结构，比较范围为短语从句。 eg: This is the best picture in the hall. This is the best picture that he has ever painted., 基本用法,

5、二、形容词和副词的比较级和最高级的用法,5、表示“越来越”，用“比较级+ and +比较级”结构或“more and more + 原级”结构。 eg: Things are getting better and better every day. She is becoming more and more beautiful. 6、表示“是的几倍”，用“倍数+as+原级+as”结构，或者“倍数+比较级+than”结构。 eg: This classroom is three times as big as that one. This classroom is twice bigger th

6、an that one., 基本用法,二、形容词和副词的比较级和最高级的用法,1、形容词的比较级前面一般不加冠词，但表示“两者中较”的时候，要用“the+比较级+of ”。 eg: She is better than she was yesterday. She is the taller of the two girls. 2、形容词的最高级前面一般加定冠词，而副词的最高级前面可加可不加。 eg: This book is the most difficult that I have ever read. He jumped (the) highest of the three boys.

7、 3、比较级前面可以用even(更加)，much(得多)，far(得多)，a littlie(一点)，a bit(一点)，slightly(些微地)，a great deal(大量)，a good deal(大量)，a lot(大量)，still(还，还要)等词语表示不定程度或数量。 eg: I am even less lucky. She is far better than me at writing., 特殊用法,Follow ups(随堂练习),1、-Mr Zhou, all of the students in our group, who lives _? -I think Li

8、 Lei does. A. fat B. father C. farthest D. farest 2、The Changjiang River is _ than any other river in China. A. shorter B. longer C. shortest D. longest 3、Bob never dose his homework _ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as 4、_ she is, _ sh

9、e feels. A. The more busy, the more happy B. The busy, the happy C. Busier, happier D.The busier, the happier 5、The weather is getting w_ a_ w_ .(越来越糟糕),C,B,B,D D,orst nd orst,1、She became even (健康)after the long illness. 2、Is Qomolnagma (高)mountain in the world? 3、Of all the singers. Julia is (famous). 4、 (population) part of China is the southeast. 5 、One of (endangered) animals in the world is the giant panda.