一、 变化规则； 1、 规则变化：
（1）单音节词和少数双音节词一般在词尾加er或est：以不发音的e字母结尾的加r,或st：large; 以辅音字母加y结尾的变y为I加er或est:easy； 以一个辅音字母结尾的重读闭音节词双写最后一个辅音字母再加er或est: big 以er，ow结尾的双音节词加er 或est:clever slow （2）多音节词前加more或most, 副词最高级前省略the. (3) 部分形容词本身表示最高级，因此他们没有比较级和最高级形式：favourite round 2、 不规则变化： good, well; bad, badly, ill; much, many; little; far; old; 注：只有少数形容词和副词有两种比较级和最高级形式： old far 二、 形容词各等级的用法：
1、 原级（同级）比较：as…as…; not as(so)…as… We’ll give you as much help as we can. She isn’t as(so)active in sports as before. 2. 比较级：表示两者之间比…… 更……可用状语much, a little, even等修饰： He made fewer mistakes than I did. He is even richer than I.
3、 高级：形容词最高级前必须加the, 副词最高级前常省略the，后面多用of……， in……短语表示范围：
It was the most/least interesting story I have ever listened. He is the tallest of the three.
4、 如果在两者之间表示“最……”时要在比较级前加the，而且还用of the two, of the pair短语：
John is the clever of the two boys. Of the two boys, John is the clever. 三、 重点与难点：
1、 as…as…结构：你和汤姆是一样好的孩子。
You’re a boy as good as Tom.=You’re as good a boy as Tom.
2、 (1)too…to与 so…that sb.can’t…的句型转换：前者为简单句，主语只有一个，而后者为复合句，主语有两个，试比较：
The man was too angry to be able to speak.
The man was so angry that he wasn’t able to speak. The milk was too hot to drink.
The milk was so hot that we can’t drink it. (2) too…to…与 not enough to 句型的转换：
He is too young to get married.=He is not old enough to get married. The book is too difficult for me to read.= The book is not easy enough for me to read. 3、 形容词原级表示比较级含义：
约翰不象迈克那么苯。John is not so stupid as Mike. John is less stupid than Mike. John is cleverer than Mike.
4、 用比较级表示最高级：约翰是班里最高的男生。
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John is taller than any other boy in the class. John is the tallest boy in the class. John is taller than :any other boy. any of the other boys. all the other boys. any of the others. any one else.
5、 the more….. the more….表示“越……越……”: The more books you read, the wider your knowledge is. The more food you eat, the fatter you are.
6、 more and more….表示“越来……越……”:
More and more students realized the importance of a foreign language. Our country is getting stronger and stronger. 四、 巩固练习一
（一） 写出下列形容词与副词的比较级与最高级形式： long_____ ______ wide ______ _______ fat ____ _____ heavy____ ______ slow ______ _______ few____ _____ brightly______ -_____ bably _____ _______ far____ _____ quickly _____ ______ happy_____ -______ unhappy________ (二)用所给词的正确形式填空：
1. Of the two girls, I find Lucy the _______ (clever). 2. Gold(黄金) is ______ (little) useful than iron(铁). 3. My sister is two years _______ (old ) than I.
4. John’s parents have four daughters, and she is the _____ (young) child. 5. The _____ (cheap) bags are the not usually the best ones. 6. The short one is by far _______ expensive of the five. 7. The boy is not so ______ (interesting) as his brother.
8. Dick sings _____ (well), she sings ______(well) than John, but Mary sings______(well) in her class.
9. She will be much ______ (happy) in her mew house. 10. This dress is ______ that.(twice, as…as…, expensive) (三)选择填空：
1． He feels _____ today than yesterday.
A. tired B. more tired C. more tireder D. much tired 2. Which do you like _____, coffee, tea or milk? A. the worst B. worse C. the worse D. worst 3. Of the two toys, the child chose_____. A. the expensive one B. one most expensive
C. a least expensive D. the most expensive of them 4. The line is ____ than that one.
A. more longer B. not longer C. much more longer D. many more longer 5. The earth is _____ the moon. A. as 49 times big as B. 49 times as bigger as C. 49 times as big as D.as big as 49 times
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6. The book is ____ of the two.
A. thinner B. the thinner C. more thinner D. the thinnest 7. She looks _____ than she does.
A. the more older B. very older C. much older D. more older 8. The garden is becoming ______.
A. more beautiful and more B. more beautiful and beautiful C. more and more beautiful D. more beautiful and beautifuler 9. They competed（比赛） to see who could work _____. A. the fastest and best B. the faster and the better C. fastest and better D. faster and better 10.______ hurry, _______speed.
A. More, less B. Much, little C. The more, the less D. The much, the little
(四)翻译句子：
1． 这本书跟那本书一样有趣。This book is _____ _____ _____ that one. 2． 你游泳没有你弟弟好。You can’t swim _____ _____ _____ your brother. 3． 今天比昨天冷的多。It is _____ ______ today______ it was yesterday.
4． 对这个故事我比另一个喜欢的多。This story is _____ ______ ______ than that one. 5． 他比我大两岁。He is _____ ______ ______ than I.
6． 这个故事不如那个有趣。This story is _____ _____ _____ than that one. 7． 她的身体状况一天天好起来。He is getting _____ ______ ______ every day.
8.他对英语越来越感兴趣。He is becoming ______ _____ _______ _____ ______ English. 9.他吃的越多，人越胖。The more he eats, the _______ he gets.
10.你的问题是两个中比较难的那个。Your question is _______ ______ ______ of two I。 用适当形式填空：
1. Bob is _________ ( young ) than Fred but ___________ (tall) than Fred. 2. Yingtian is not as ___________ (tall) as Yongxian.
3. Almost all.the students' faces are the same but Li Deming looks _______ (fat) than before the holidays,
4.Which is _________ (heavy),a hen or a chicken?
5.-- How _________ (tall) is Sally? -- She' s 1.55 metres ________ (tall). What abodt Xiaoling? -- She' s only 1.40 metres ________ (tall). She is much _______ (short) than Sally. She is also the _______ (short) girl in the class.
6. He is ______ (bad) at learning maths. He is much _______ (bad) at Chinese and he is the _________ (bad) at English.
7. Annie says Sally is the ________ (kind) person in the world.
8.He is one of the_________(friendly) people in the class, I think. 9. A dictionary is much _________ (expensive) than a story-book.
10. An orange ia a little ______ (big) than an apple, but much ________ (small) than a watermelon.
11. The Changjiang River is the _______ (long) river in China. 12. Sue is a little ________ (beautiful) than her sister.
13.My room is not as _________ (big) as my brother' s. 14.--How difficult is physics?
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--I' m not sure.
-- Is it ________ (difficult) than maths? -- I don' t think so.
15.-- Annie plays the piano very ___________ (well).
-- Sue plays it _____ (well) than Annie. And Sally plays it the __________ (well). 16. Saturday is my _________ (busy) day in a week.
17. Her mother is getting ____________(fat) and ________ (fat). 18. I think it' s too expensive. I' d like a _____________ (cheap) one. 19. He comes to school much ____________ (early) than I. 20.This book is not as _____________ (interesting) as that one.
21. Your classroom is __________(wide) and ___________(bright) than ours. 22. Practise as __________ (much) as you can.
23. The ________ (much), the ____________ (good).
24. Nowadays English is __________( important ) than any other subject, 1 think.
25. Most of the students think a lion is much ________(dangerous) than a bear and it is the __________ (dangerous) animal in the world. II。改错：
1. He is as taller as I am.
2. She is a little thiner than she looks.
3. Bob is heavier than any other boys in the class. 4.The girls study the better than the boy.
5. It is one of the most interesting book than I have ever read. 6. He says Mary is most friendliest person in the class. 7. Which city is most beautiful, Beijing or Guangzhou? 8. Jack works hard. Mike works very harder than Jack. 9. London is the bigger city in Britain.
10.Bob plays football badly but Fred plays football much badlier than Bob. III。完成句子：
1 她看起来不如玛丽年轻。
She doesn't look __________ _________ __________ Mary. 2.杰克的父亲比母亲大一岁。
Jack's father is __________ _________ _________ than her mother. 3.我们的教室比他们的明亮得多。
Our classroom is ___________ ___________ than theirs. 4。当心！这条路越来越危险。
Look out! The mad is becoming ________ and________ ________. 5.你喜欢哪种动物，猫还是狗？
Which animal do you like __________ , a cat or a dog? 参考答案：
I. 1. younger, taller 2. tall 3. fatter 4. heavier 5. tall, tall, tall, shorter, shortest 6. bad, worse, worst 7. kindest 8. friendlier 9. more expensive 10. bigger, smaller 11. longer 12. more beautiful 13. big 14. more difficult 15. well, better, best 16. busiest 17. fatter, fatter 18. cheaper 19. earlier 20. interesting 21. wider, brighter 22. much 23. more, better 24. more important 25. more dangerous, most dangerous II. better 5.à boy 4. the better à thinner 3. boys -à tall 2. thiner à1. taller - muchà
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more 8. very à the friendliest 7. most à books 6. most friendliest àbook worse III. 1. so/ as young as 2. one yearà biggest 10. badlier à9. bigger - older 3. much brighter 4. more, more dangerous 5. better
一、写出下列形容词与副词的比较级与最高级形式：
long _________ ______ wide _______ _______ thin _________ _______
heavy ________ ______ slow _______ _______ few___________ _______
short ________ ______ badly ______ _______ far __________ _______
quickly ______ ______ happy ______ _______ careful ______ _______
二、用所给词的正确形式填空：
1. She will be much ______ (happy) in her new class.
2. The short one is _______ (useful) of the five.
3. His sister is two years _______ (young) than him.
4. This ruler is twice as ______ (long) as that.
5. The _____ (cheap) bags are usually the best ones.
6. Gold(黄金) is much ______ (expensive)than iron(铁).
7. The boy is not so ______ (interesting) as his brother.
8. Jack sings _____ (well), he sings ______(well) than Tom, but Mary sings______(well) in
her class.
9. Of the three girls, I find Lucy is _______ (clever).
10. John’s parents have four daughters, and she is _____ (young) child.
三、选择填空：
1.It is _____ today than yesterday.
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A. hot B. more hot C. hotter D. much hot
2. This line is ____ than that one.
A. not longer B. more longer
C. much more longer D. many more longer
3. Of the five toys, the child chose_____.
A. the expensive one B. one most expensive
C. a least expensive D. the most expensive one
4. Which do you like _____, coffee, tea or milk?
A. the best B. better C. the better D. best
5. They bet to see who could run _____ in the sports meeting.
A. the fastest B. the faster C. fastest D. faster
6. This book is ____ of all.
A. thinner B. the thinner C. more thinner D. the thinnest 7. She looks _____ than she really is.
A. the more younger B. much younger
C. very younger D. more younger
8. Our country is becoming ______.
A. more beautiful and more B. more beautiful and beautiful
C. more and more beautiful D. more beautiful and beautifuler
9. The earth is _____ the moon.
A. 49 times as big as B. 49 times as bigger as
C. as 49 times big as D. as big as 49 times
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10. This kind of drink is different ______.
A. and it is also better B. and better than the other
C. but also than others D. from the other, and better
四、翻译句子：
1、他比我大两岁。
He is _____ ______ ______ than I.
2、今天比昨天冷得多。
It is _____ ______ today______ it was yesterday.
3、这个故事不如那个有趣。
This story is _____ _____ _____ as that one.
4、他的身体一天天好起来。
He is getting _____ ______ ______ every day.
5、他对英语越来越感兴趣。
He is becoming ______ ______ _______ ______ ______ English.
6、他吃的越多，就越胖。
The ______ he eats, the _______ he is. 参考答案：
一、写出下列形容词与副词的比较级与最高级形式：
longer, longest; wider, widest; thinner, thinnest; heavier, heaviest;
slower, slowest; fewer, fewest; shorter, shortest; worse, worst;
farther, farthest; more quickly, most quickly; happier, happiest;
more careful, most careful
二、用所给词的正确形式填空：
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1. happier 2. the most useful 3. younger 4. long 5. cheapest
6. more expensive 7. interesting 8. well, better, best 9. the cleverest
10. the youngest
三、选择填空：
1. C 2.A 3.D 4.B 5.C 6.D 7.B 8.C 9.A 10.D
四、翻译句子：
1. two years older 2. much colder, than
3. not so interesting 4. better and better
5. more and more interesting in 6. more, fatter
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