比较级和最高级的构词规则[教育知识]

1、形容词比较级和最高级的形容词比较级和最高级的 构词规则构词规则 1教书育人 一、规则变化 1.单音节和少数双音节单词，一般在词 尾加“er”或“est”。 clean, tall, small, cheap , short, long, light, high 2. 以不发音字母“e”结尾的单词，直 接在词尾加 “r”或“st”。 nice, late, close, fine, large, free, rude 2教书育人 3.以重读闭音节结尾的单词，如果词尾只有一个 辅音字母时，应先双写这一辅音字母，再加 “er”或“est”。 fat, big, red, thin, hot, fat

2、, sad, wet 4.以辅音字母+y结尾的单词，应先改“y”为 “i”，在加“er”或“est”。 happy , easy, heavy, healthy, busy, lucky, pretty, sunny, funny 5、 其他双音节单词和多音节单词，都在其前面加 “more”或“most”。(beautiful, interesting) 3教书育人 二、 不规则变化。 合二为一共三对:“坏bad”,“病ill”的比 较级为worse,最高级为worst.两多 many/much”的比较级为more,最高级为 most.“两好good/well” 的比较级为 better, 最

3、高级为best. 一分为二只两个，一是“远far”的比较级 为farther/further,最高级为 farthest/furthest.二是“老old”的比较级 为 older/elder，最高级为oldest/eldest. 还有一词little“少”的比较级为less,最 高级为least. 4教书育人 Read and compare : young long full short small old fine easy hungry early heavy big red younger youngest longer longest fuller fullest shorter

4、shortest smaller smallest older oldest finer finest easier easiest hungrier hungriest earlier earliest heavier heaviest bigger biggest redder reddest 5教书育人 healthy many famous ill exciting carefully wet hot little few healthier healthiest more most more famous most famous worse worst more exciting m

5、ost exciting more carefully most carefully wetter wettest hotter hottest less least fewer fewest 6教书育人 I. 原级用法原级用法: * 1. as+adj/ adv.的原级的原级+ as (肯肯,否否) , (not)soas (否否) eg. The ruler is as long as that one. He sings as well as Jack. He doesnt sing as(so) well as Jack. 2. as much as, as many as 与与一样多

6、一样多 eg. I have done as much work as he did yesterday. You can take as many books as you can. 7教书育人 II. 比较级用法比较级用法: 1. 比较级比较级+than 2. 比较级比较级+and+比较级比较级, 表示表示“越来越越来越” eg. warmer and warmer, nicer and nicer, more and more beautiful, more and more fun the+比较级比较级 the+ 比较级比较级 eg. The more you read the boo

7、k, the more interesting you found . * 4. 比较级的修饰语有比较级的修饰语有 : much, far, even, a little, a lot, a bit, rather, still, a great deal (大量大量) + adj./adv. 比较级比较级 5. 当比较级后没有当比较级后没有than, 而为而为of the two的结构的结构,比较级前加比较级前加the. eg. The taller of the two girls is Mary. 8教书育人 III. 最高级用法最高级用法: 1. 形容词最高级用于形容词最高级用于in,

8、 of 或或among的结构中的结构中, 形容词最高级前形容词最高级前+the eg I am the best of (among)the three. He is the thinnest boy in my class. 2. 副词最高级不需副词最高级不需+the eg. Jim goes to bed latest in my family.) (单数单数)city 2. 比较级和最高级互换比较级和最高级互换(比较时要把自己排除在外。注意比较的范围) eg. Shanghai is the largest city in China. Shanghai is larger than a

9、ny other in China. John is thinner than any other student in the class. John is thinner than in the class. eg: John is the thinnest student in the class. anyone/anybody else Shanghai is larger than any city in Africa. city 9教书育人 IV. Others Alices diet was less healthy than Dannys diet. (不如不如) (more

10、than 胜于胜于) This T-shirt is the same size as that one. The red shirt is five yuan cheaper than that blue one. Which is the least interesting film youve ever seen? This park is three times as big as the Summer Palace. (倍数倍数+asas) This book cost twice as much as that one. +n. * adj.&adv: hard, fast, ea

11、rly, late, high, etc. 10教书育人 1. I think English is as as maths. D. importanter A. important B.more important C. most important 2.Mother gets up in my family. A. early B. earlier C. earliest D. the earlier 3. The next morning Jenny got up even . A. early B. earlier C. earliest D. the earliest 4. Emil

12、y sings of the five girls. A. good B. well C. better D. best 5. In fact, Delia is a little than her elder sister. A. tall B. taller C. tallest D. the tallest 6. Heidi does not jump so as Jane. A. high B. higher C. highest D. the highest 11教书育人 7. Of all the stars the sun is to us. A. close B. closer

13、 C. closest D. the closest 8. Barbara felt much than before after dark. A. cold B. colder C. coldest D. the coldest 9. This jacket is smaller than that one but its . A. expensive B. more expensive C. most expensive D. the most expensive 10. Our country has become in the past 20 years. more and more

14、rich and strong more richer and more stronger C. more rich and more strong D. richer and stronger 12教书育人 11. William Shakespeare is one of play writers in England. A. great B. greater C. greatest D. the greatest 12. -What do you think of Miss Lis teaching? -Oh, no one else teaches . A. good B. well

15、C. fine D. better 13. The population of Japan is than that of China. A. fewer B. smaller C. larger D. more 14. The next day Jim was very wet again, and his mother became angrier. very B. more C. even D. ever 15. Tom is more careful than any in his class. A. boy B. other boys C. boys D. other boy 13教

16、书育人 16. play writers in England. A. great B. greater C. greatest D. the greatest 12. -What do you think of Miss Lis teaching? -Oh, no one else teaches . A. good B. well C. fine D. better 13. The population of Japan is than that of China. A. fewer B. smaller C. larger D. more 14. The next day Jim was

17、 very wet again, and his mother became angrier. very B. more C. even D. ever 15. Tom is more careful than any in his class. A. boy B. other boys C. boys D. other boy 14教书育人 Do some exercises 同义句转换同义句转换 1. He is the tallest student in his class. He is _ _ _ _ student in his class. He is _ _ _ _ stude

18、nts in his class. 2. Peter draws well, Lilei draws better. Lilei draws _ of the two. 3. The tractor goes faster than the bike. The bike goes _ _ than the tractor. 4. His cakes dearer than the twins cakes. His cake is _ _ of the three. taller than any other taller than the other better more slowly th

19、e dearest 15教书育人 选择填空选择填空 1. Which does Jimmy like ,Chinese or Art? A. well B. best C. better D. much 2. The Chang jiang River is one of in the world. A. the longest river B. longest rivers C. the longest rivers D. longer rivers 3. of the two women is Mrs Brown. A. The beautiful B. The more beautifu

20、l C.More beautiful D. The most beautiful 4. My mooncake is nicer his. A. like B. with C. for D. than 5. You are fatter than . A. he B. his C. him D. he is tall 6. He jumps of the three. A. far B. further C. farthest D. furthest 7. My hair is longer than . A. my sister B. Kate C. my brothers D. Lucys

21、 C C B D A C C 16教书育人 8. There is paper here .Please bring some. A. little B. less C. fewer D. a little 9. The pen is than that one. A. more cheap B. cheap C. much cheaper D. quite cheaper 10.Tom speaks Chinese better than Jimmy. A. more B. very C. a lot of D. much 11.There are girls in Class Two than in Class Four. A. more B. nicest C. most D. best 12.Its too for you to do that. A. easy B. more dangerous C. harder D. the easiest 13.Who has apples now, Jim, Lily or Lucy? A. much B. biggest C. better D. the most 14.You have more rulers than me. But ar