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1、形容词比较级和最高级的构词规则,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,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, sad, wet 以辅音字母+y结尾的单词，应先改“y”为“i”，在
2、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) 6. 不规则变化。 记忆口诀： 合二为一共三对，“坏bad”,“病ill”,两多many/much”和“两好good/well”， 一分为二只两个，一是“远far”来二是“老old”， 还有一词little含双义，只记“少”来不记“小”。,Read and compare :,young long full short
3、small old fine,younger youngest,longer longest,fuller fullest,shorter shortest,smaller smallest,older oldest,finer finest,easy hungry early heavy big red,easier easiest,hungrier hungriest,earlier earliest,heavier heaviest,bigger biggest,redder reddest,many famous exciting carefully,more most,more fa
4、mous most famous,more exciting most exciting,more carefully most carefully,wet hot little few ill bad healthy,worse worst,wetter wettest,hotter hottest,less least,fewer fewest,worse worst,healthier healthiest,I. 原级用法: 1. as+adj/ adv.的原级+ as (肯,否) , (not)soas (否) 1).The ruler is as long as that one.
5、2).He sings as well as Jack. 3)He doesnt sing as(so) well as Jack.,2. as much as, as many as 与一样多 eg. I have done as much work as he did yesterday. You can take as many books as you can.,II. 比较级用法: 1. 比较级+than 比较级+and+比较级, 表示“越来越” eg. warmer and warmer, nicer and nicer, more and more beautiful, more
6、 and more fun,3.the+比较级 the+ 比较级 The more you read the book, the more interesting you found . 4. 比较级的修饰语有 : much, far, even, a little, a lot, a bit, rather, still, a great deal (大量) + adj./adv. 比较级 5. 当比较级后没有than, 而为of the two的结构,比较级前加the. The taller of the two girls is Mary.,最高级用法: 1. 形容词最高级用于in, o
7、f 或among的结构中, 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.,else,2. 副词最高级不需+the eg. Jim goes to bed latest in my family.),2. 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 any other in China,John is the thinne
8、st student in the class.,John is thinner than any other student in the class. John is thinner than _in the class.,anyone/anybody else,I think English is as as maths. important B.more important C. most important D. importanter,B,2.Mother gets up_ in my family. A.early B. earlier C. earliest D. the ea
9、rlier,c,3. The next morning Jenny got up even . A.early B. earlier C. earliest D. the earliest,B,4. Emily 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,D,B,7. Of all the stars the sun is _ to
10、 us. close B. closer C. closest D. the closest,D,8. Barbara felt much _than before after dark. A.cold B. colder C. coldest D. the coldest,B,9. This jacket is smaller than that one but its . A. expensive B. more expensive C. most expensive D. the most expensive,B,10. Our country has become _ in the p
11、ast 20 years. A.more and more rich and strong B.more richer and more stronger C. more rich and more strong D. richer and stronger,D,15. Tom is more careful than any in his class. A. boy B. other boys C. boys D. other boy,B,12. -What do you think of Miss Lis teaching? -Oh, no one else teaches _than h
12、er A.good B. well C. fine D. better,D,13. The population of Japan is than that of China. fewer B. smaller C. larger D. more,C,14. The next day Jim was very wet again, and his mother became angrier. A.very B. more C. even D. ever,C,14. The next day Jim was very wet again, and his mother became angrie
13、r. A.very B. more C. even D. ever,C,15. Tom is more careful than any in his class. A. boy B. other boys C. boys D. other boy,B,Do some exercises,同义句转换,He is the tallest student in his class. He is _ _ _ _ student in his class. He is _ _ _ _ students in his class. Peter draws well, Lilei draws better
14、. Lilei draws _ of the two.,taller than any other,taller than the other,better,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,more slowly,the dearest,选择填空 Which does Jimmy like ,Chinese or Art? A. well B. best C. better D. much,C,2. The Chang jiang River is one of in the world. the longest river B. longest rivers C. the longest rivers D. longer rivers,C,3._of the two women is
