中考复习-形容词比较级和最高级.ppt

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1、形容词比较级和最形容词比较级和最高级的构词规则高级的构词规则规则变化规则变化v1.单音节和少数双音节单词，一般在词单音节和少数双音节单词，一般在词尾加尾加“er”或或“est”。 v clean, tall, small, cheap , short, long, light, highv2. 以不发音字母以不发音字母“e”结尾的单词，直接结尾的单词，直接在词尾加在词尾加 “r”或或“st”。v nice, late, close, fine, large, free, rude3.以重读闭音节结尾的单词，如果词尾以重读闭音节结尾的单词，如果词尾只有一个辅音字母时，应先双写这一只有一个辅音字母

2、时，应先双写这一辅音字母，再加辅音字母，再加“er”或或“est”。 fat, big, red, thin, hot, fat, sad, wet4.以辅音字母以辅音字母+y结尾的单词，应先改结尾的单词，应先改“y”为为“i”，在加，在加“er”或或“est”。 happy , easy, heavy, healthy, busy, lucky, pretty, sunny, funny5. 其他双音节单词和多音节单词，都在其前其他双音节单词和多音节单词，都在其前面加面加“more”或或“most”。(beautiful, interesting)6. 不规则变化不规则变化。 记忆口诀记忆口

3、诀： 合二为一共三对，合二为一共三对，“坏坏bad”,“病病ill”,两多两多many/much”和和“两好两好good/well”， 一分为二只两个，一是一分为二只两个，一是“远远far”来二是来二是“老老old”， 还有一词还有一词little含双义，只记含双义，只记“少少”来不记来不记“小小”。Read and compare :younglongfullshortsmalloldfineeasyhungryearlyheavybigredyounger youngestlonger longestfuller fullest shorter shortestsmaller smalle

4、stolder oldest finer finesteasier easiesthungrier hungriest earlier earliestheavier heaviestbigger biggest redder reddesthealthymanyfamousillexcitingcarefullywet hotlittlefewhealthier healthiestmore mostmore famous most famousworse worstmore exciting most excitingmore carefully most carefullywetter

5、wettesthotter hottestless leastfewer fewestI. 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 与与一样多一样多eg. I have done as much work as he did yesterday. You can ta

6、ke as many books as you can. II. 比较级用法比较级用法:1. 比较级比较级+than2. 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 fun3. the+比较级比较级 the+ 比较级比较级 eg. The more you read the book, the more interesting you found . * 4. 比较级的修饰语有比较级的修饰语有 : much, far,

7、 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.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, 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. H

8、e 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 any other in China. John is thinner than any other student in the class.John is th

9、inner than in the class.Ex: John is the thinnest student in the class.anyone/anybody else Shanghai is larger than any city in Africa.cityIV. Others Alices diet was less healthy than Dannys diet. (不如不如) (more than 胜于胜于)This T-shirt is the same size as that one.The red shirt is five yuan cheaper than

10、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, early, late, high, etc.1. I think English is as as maths. D. importanterA. important B.more importa

11、nt C. most important Mother gets up in my family.B. early B. earlier C. earliest D. the earlier3. The next morning Jenny got up even .C. early B. earlier C. earliest D. the earliest4. Emily sings of the five girls.D. good B. well C. better D. best5. In fact, Delia is a little than her elder sister.E

12、. tall B. taller C. tallest D. the tallest6. Heidi does not jump so as Jane.A. high B. higher C. highest D. the highest7. Of all the stars the sun is to us.A. close B. closer C. closest D. the closest8. Barbara felt much than before after dark.B. cold B. colder C. coldest D. the coldest9. This jacke

13、t is smaller than that one but its .C. expensive B. more expensive C. most expensive D. the most expensive10. Our country has become in the past 20 years.D. more and more rich and strong E. more richer and more stronger C. more rich and more strongD. richer and stronger11. William Shakespeare is one

14、 of play writers in England.A. great B. greater C. greatest D. the greatest12. -What do you think of Miss Lis teaching? -Oh, no one else teaches .B. good B. well C. fine D. better13. The population of Japan is than that of China.A. fewer B. smaller C. larger D. more14. The next day Jim was very wet

15、again, and his mother became angrier. C. very B. more C. even D. ever15. Tom is more careful than any in his class. A. boy B. other boys C. boys D. other boy 16. play writers in England.A. great B. greater C. greatest D. the greatest12. -What do you think of Miss Lis teaching? -Oh, no one else teach

16、es .B. good B. well C. fine D. better13. The population of Japan is than that of China.A. fewer B. smaller C. larger D. more14. The next day Jim was very wet again, and his mother became angrier. C. very B. more C. even D. ever15. Tom is more careful than any in his class. A. boy B. other boys C. bo

17、ys D. other boy 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 _ _ _ _ students 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

18、.4. His cakes dearer than the twins cakes. His cake is _ _ of the three.taller than any other taller than the otherbettermore slowlythe dearest选择填空选择填空1. Which does Jimmy like ,Chinese or Art? A. well B. best C. better D. much2. The Chang jiang River is one of in the world.A. the longest river B. lo

19、ngest rivers C. the longest rivers D. longer rivers3. of the two women is Mrs Brown. A. The beautiful B. The more beautiful C.More beautiful D. The most beautiful4. 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 tall6. He jumps of the t

20、hree. A. far B. further C. farthest D. furthest7. My hair is longer than . A. my sister B. Kate C. my brothers D. LucysCCBDACC8. There is paper here .Please bring some. A. little B. less C. fewer D. a little9. The pen is than that one. A. more cheap B. cheap C. much cheaper D. quite cheaper10.Tom sp

21、eaks 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 easiest13.Who has apples now, Jim, Lily or Lucy? A. much B. biggest C. b

22、etter D. the most 14.You have more rulers than me. But are nicer than .A.mine, yours B. mine, your C. my, yours D. my, your15.Tingting is than Meimei, but Meimei is than Tingting. A. tall, stronger B. taller, strongest C. tallest, strong D. taller, strongerACDAADAD16.Mother is in my family. A. busy

23、B. busier C. the busiest D. more busy17.There are in the park on Sunday. A.more children B. a lot of people C. much men and women D. many peoples18.The dumplings are than the noodles,I think. A. more nicer B. much delicious C. very nice D. much more delicious19.She is than me at drawings. A. better B. best C. good D. harder 20.-This blue sweater is too big for me .-Will you please show me a one? A. small B. smaller C. the smallest D. smallestCBDAB