形容词、副词的比较级和最高级一. 形容词和副词的原级比较：当相比较的两者、两部分在程度上相同或相近时，可用原级比较。 结构：a. 肯定： as+原级 +as 和.一样Tom is as old as me/ Tim plays basketball as well as Mike. b. 否定： not as/so+原级 +as 不如 .（前者不如后者）This book isn t as interesting as that one. He doesn t play as well as Jack. 二 形容词和副词的比较级：a.当两者或两部分相比较，表示“. 比.更.”时，用比较级。 Tom is taller than me./ He runs faster than me./Which do you like better, tea or coffee? c.比较级的规则变化：（1）一般在词尾加er 如： great-greater, soon-sooner. （2）以字母 e 结尾的词直接加r 如： nice-nicer, late-later （3） 以辅音字母 +元音字母 +辅音字母构成重读闭音节结构，双写最后一个辅音字母再加er. 如： big-bigger, hot-hotter （4）以辅音字母 +y 结尾的，把y 变为 i 再加 er. 如： happy-happier, early-earlier. （5）部分双音节和多音节词在词前加more. 如： interesting-more interesting, difficult- more difficult （6） 以动词 +ed/ing 构成的形容词变比较级前加more. 如： bore-boring-more boring,bore-bored-more bored.relax-relaxing-more relaxing. relax-relaxed-more relaxed （ 7 ）以 形容 词+ly构 成的 副词， 变比 较级前 加more. cheap-cheaply-more cheaply,comfortable-comfortably-more comfortably e. 比较级的用法：（1）adj/adv比较级 +than 比.更. Eric runs faster than Lisa. （2）the 比较级 . ，the 比较级 .， 越.，越. The busier he is, the happier he feels. （3）比较级 and 比较级越来越 . The day is getting colder and colder. （4）the + 比较级 +of the two. 两者中较 .的 Mary is the more beautiful of the two girls.c. 比较级的修饰语：must/even/far/a lot/still/ a little/a bit/a great deal,倍数等词修饰三.形容词、副词的最高级：a. 用于三者或三者以上的人或事物之间的比较。在句中使用时，最高级前要加the ，副词的最高级前可以省略the 。句中常含有比较范围的介词of 或 in ，of+ 一群人或事物的代词或名词， in 后面一般接表示单位或场所的名词。例句： Bill is the tallest boy of our three./Jane has the most friends in our class. He runs the fastest of all./Who is the smartest,Tom,Jack or Mary? Its the hottest day this week. b. 形容词最高级的特殊用法： （1）序数词后用最高级。在表达“第几 （长、 大、远 .）”时，序数词后用adj 的最高级形式。The Yellow River is the second longest river in China. （2）在表达“最 .的.之一”时，用最高级，构成“one of the+adj最高级 +可数名词复数” Mo Yan is one of the most famous writers in China. （3）在表达“某人的最.”时，用“某人的+adj 的最高级 +n”Lisa is my best friend. （4）“ the+ 最高级 +of/in/among.”与比较级 +than any other+n单数 He is the tallest boy in our He is taller than any other boy. 四 形容词、副词变最高级的变化规则：a. 规则变化：（1）一般在词尾加est. 如：great-greatest, soon-soonest. （2）以字母 e 结尾的词直接加st. 如：nice-nicest, late-latest （3）以辅音字母+元音字母 +辅音字母构成重读闭音节结构，双写最后一个辅音字母再加est. 如：big-biggest, hot-hottest （4）以辅音字母 +y 结尾的，把y 变为 i 再加 est. 如： happy-happiest, early-earliest. （5）部分双音节和多音节词在词前加most. 如： interesting-most interesting, difficult- most difficult （6）以动词 +ed/ing 构成的形容词变最高级前加most 如：bore-boring-most boring,bore-bored-most bored.relax-relaxing-most relaxing. relax-relaxed-most relaxed （ 7 ） 以 形 容 词 +ly构 成 的 副 词 ， 变 最 高 级 前 加most 如 ： cheap-cheaply-most cheaply,comfortable-comfortably-most comfortably 形容词和副词比较级、最高级的不规则变化：good/well-better-best many/much-more-most bad/badly/ill-worse-worst little-less-least far-farther（只指距离） /further（距离程度） -farthest/furthest old-older（年龄新旧血缘）/elder（只指血缘） -oldest/eldest 一. 写出以下各形容词的比较级和最高级：1. nice _ 2. fat _ 3. slow _ 4. dry _ 5. happy _ 6. wet _ 7. much _ 8. ill_ 9. little _ 10. bad _11. thin _12. far _ 13. early _ 14. careful_ 15. exciting_16.well_ 17.friendly_ 18. green_ 19. few_ 20.busy_ 二. 根据句意，用所括号内所级形容词的比较等级形式填空：1. Mr. smith is _ man in this office. (rich) 2. Winter is _ season of the years. (cold) 3. This radio is not so _ as that one. (cheap) 4. It is much _ today than yesterday. (hot) 5. She is a little _ than her classmates. (careful) 6. _ people came to the meeting than last time. (many) 7. Which book is _, this one or that one? (easy) 8. My room is _ than yours. (small) 9. Hainan is _ from Beijing than Hunan. (far) 10. Skating is _ than swimming. (exciting) 11.Jim is _ than all the others. (tall) 12. Things are getting _ and _. (bad) 13. The higher you climb, the _ it will be. (cold) 14. Now our lives are becoming _ and _. (good) 15.There are _ boys than girls in our class. (few) 16.The _(hard) you work, the _(happy) your parents will be. 17.He is _(tall) of the two. 18.Of all the subjects, he likes English _(well). 19.He runs _(fast) of the three. 20.He got _(good) grades in his class. 三、用适当形式填空：1. Bob is _ ( young ) than Fred, but _ (tall) than Fred. 2. Jim is not as _ (tall) as jack. 3. Almost all the students faces are the same,but Li Deming looks _ (fat) than before after the summer holidays. 4.Which is _ (heavy), the hen or the chicken? 5.- How _ (tall) is sally? - she s 1.55 meters _ (tall). what about Xiao ling? - she s only 1.40 meters_ (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 is a little _ (big) than an apple, but much _ (small) than a watermelon. 11. The Chang Jiang 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? -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. Practice as _ (much) as you can. 23.The _ (much), the _ (good). 24. Nowadays(现在 ) English is _( important )than any other subject, I think. 25. Most of the students think a lion is much _ (dangerous) than a bear and it is the _ (dangerous) animal in the world 26. My brother is two years _ (old) than me. 27. Tom is as _(fat) as Jim. 28. Is your sister _(young) than you? Yes,she is. 29. Who is _(thin),you or Helen? Helen is. 30. Whose pencil-box is _(big),yours or hers? Hers is. 31. Mary s hair is as _(long) as Lucy s.32.Ben _ (jump) _ (high) than some of the boys in his class. 33._ Nancy sing _ (well) than Helen? Yes, she _. 34.Fang Fang is not as _ (tall) as the other girls. 35.My eyes are _(big) than _ (she). Keys: 一 .1.nicer/nicest 2.fatter/fattest 3.slower/slowest 4.drier/driest 5.happier/happiest 6.wetter/wettest 7.more/most 8.worse/worst 9.less/least 10.worse/worst 11.thinner/thinnest 12.farther/further farthest/furthest 13.earlier/earliest 14.more careful/ more carefully 15.more exciting/ most exciting 16.better/best 17.friendlier/friendliest more friendly/most friendly 18.greener/greenest 19.fewer/fewer 20.busier/busiest 二 1. the richest 2.the coldest 3.cheap 4.hotter 5.more careful 6.More 7.easier 8.smaller 9.farther 10.more exciting 11.taller 12.better and better 13.colder 14.better and better 15.fewer 16.harder/happier 17.the taller 18.(the) best 19.(the) fastest 20. the best 三 1.younger/taller2.tall 3.fatter 4.heavier 5.tall/tall/tall/shorter/shortest 6.bad/worse/worst 7.kindest 8.friendliest/most friendly 9.more expensive 10.bigger/smaller 11.longest 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 26.older 27.fat 28.younger 29.thinner 30.bigger 31.long 32.jump higher 33.Does better does 34.tall 35.bigger/hers