形容词的用法 1,作表语,放在系动词后Eg.He looks very happy. Computers are very useful in our life. 2.作定语,一般放在所修饰词的前面.Eg.This is an unhealthy diet. 3.定语后置.修饰something,anything,nothing,everything时,放在其后.Eg.I have something important to tell you . 4.宾语补足语. Trees keep air fresh. 5.数字+单位名词复数+形容词 Eg.How long is the river? It’s about two hundred meters long.

副词的用法(作状语) 1.修饰形容词 Eg. Space planes are very fast. He was too disappointed to say a word. 2.修饰副词 Eg. We got up early enough to catch the first bus. 3.修饰动词 Eg. It rained heavily last night. We often go swimming in summer. I have never been to the Botanical Gardens. 4.修饰整个句子 Eg.Luckily, he still got the first prize.

形容词和副词的比较级和最高级的构成 Soft softer softest Qucik quicker quickest Large larger largest Thin thinner thinnest Healthy healthier healthiest Often more often more often Expensive more expensive most expensive Slowly more slowly most slowly Early earlier earliest Quickly more quickly most quickly

不规则变化 Good /well better best Many/much more most Bad/badly /ill worse worst Little less least Far farther/further farthest/furthest

原级的用法: 1.只能修饰原级的词:very , quite, so , too eg. He is too tired to walk on. It’s quite hot. 2.常用的句型:as+原级+as not so (as)+原级+as 倍数+as+原级+as Eg.He works as well as you. This dish tastes as good as that one. He isn’t so/as careful as his sister. He doesn’t write as/so carefully as his brother. This room is twice as big as that one.

比较级: 1.Which is bigger, the earth or the moon? Who draws better, Jenny or Danny? 2,much,far ,even,still,a little,+比较级 Eg.Tom looks even healthier than before. Lesson One is much easier than Lesson Two. She is still more beautiful than her sister. She dances far more beautifully than her sister.

3.甲+系动词(be)\行为动词+形容词\副词比较级+than+乙 Eg . The earth is bigger than the moon. Lily listens to the teacher more carefully than Tom. Mr Ling is less healthy than Miss Green. 4.比较级+and+比较级表示”越来越……” Eg, He is getting taller and taller. He does his homework more and more carelessly.

5.The +比较级, the+比较级表示”越……,越……”. Eg.The more careful you are,the fewer mistakes you will make. The harder he works, the more progress he will make. 最高级: 1.Which country is the largest, China,Brail or Canda?

Which season do you like (the) best ,spring, summer or autumn? 2.主语+be\行为动词+the\(the)+形容词\副词最高级+(单数名词)+ in\of短语 Eg.Tom is the tallest in his class./of all the students. I jump (the) farthest in my class. 3.主语+be+one of the+形容词最高级+名词复数+in/of 短语表示”…是…中最…之一.” Eg. Edison was one of the greatest inventors in the world.

4.be+the +序数词+形容词最高级+名词单数 +in/of 短语 表示”在….范围中…..第几最….” Eg.The Amazon is the second longest river in the world. It is the third highest building in Asia. 最高级和比较级之间的转换: The Yangtze River is the longest river in China. The Yangtze River is longer than any other river in China.

The Yangtze River is longer than any of the other rivers in China. The Yangtze River is longer than the other rivers in China. 区别:The Yangtze River is longer than any river in Japan. 原级和比较级之间的转换: 1.A bike is cheaper than a motorcycle. --A bike is not as expensive as a motorcycle. --A bike is less expensive than a motorcycle. --A motorcycle is more expensive than a bike.

1.I’m very __________(hungry) Please give me something to eat. 2.This work isn’t ________ for he. (difficult) She can finish it _______ .(easy) 3.It was much ________ yesterday than today. (hot) 4.Is their school ________ from the Beijing Railway Station than ours? (far) 5.She is _____ than any other girl in her class. (thin) 6.Who draws _____,Tom ,Mike or John? (beautiful)

6.The baby is much ______. (fat) 7.The water in the river is getting ____ and _____ . (little) 8.This story is __________ in the book. (expensive) 9.He jumps _______ than Tom. (high) 10.Does Betty write as _____as Mary? (careful) -----No. Mary writes ________ than Betty. (careful) Mary writes _______ in our class. (careful) 11.English is one of _____ languages in the world. (important)