专题比较级最高级

1、形容词和副词的比较级和最高级l=iim一、含义：比较两个人或物,用形容词或副词的比较级；比较三个或三个以上的 人或物，用形容词或副词的最高级。二、构成：(1) 大多数(单音节和部分双音节)形容词或副词直接加-er或-esto【例】talltallertallest(2) 以-e结尾的，直接加-r或-st.【例】largelargest(3) 以“辅音字母+y”结尾的，把y变成-i再加-er或-esto【例】earlyearlierearliest happyhappierhappiest(4) 以一个辅音字母结尾的重读闭音节形容词或副词，双写最后的辅音字母，加-er 或-est。【例】thin

2、thinnerthinnest sadsaddersaddest(5) 多音节和部分双音节形容词或副词直接在前面加more或most。【例】quicklymore quicklymost quicklyfamousmore famousmost famous(6) 不规则变化【例】两好 good (well)betterbest两坏病 bad (badly/ill) 一worse一worst两多 many (much) -more-most 少 little-less-least注意:有些形容词或副词有两种比较级和最高级的变化方式：S far-farther/further farthest

3、/ furthest年长的 old-older / elderoldest/ eldestmore,clever, handsome, polite, simple, stupid nJ力口-er, -est 或者 most习题:写出下列单词的比较级与最高级。greatwide cleverbig beautiful difficultgood old warmfar long thinheavy sad easily三、用法：1、比较级的用法两者比较: 比较级+thdn(带有than的句子常用比较级)习题：他比我高。He is (tall) than I .他的头发比我的短。His hair

4、 is (short) than .谁跑得快些,Lucy 还是 Lily?Who runs, Lucy or Lily?英语比语文重要。English is (important) than Chinese.我来的比你晚。I come (late) than you.他比你小 2 岁。He' s 2 years than you. “morethdn”表示“。比。多” more后接可数名词复数或不可数名词习题：他的朋友比我多。He has friends I.她的空闲时间比我多。She has free time I. "fewer/lessthan"表示"

5、;。比。少” fewer后接可数名词 复数,less后接不可数名词。习题：汤姆参加的俱乐部比杰克少。Tom is in clubs Jack.我们喝的咖啡不如茶多。We drink coffee tea. “和B比起来，更喜欢A”用sb. like(s) A better than B习题：比起唱歌来，她更喜欢跳舞。(2) 比较级前可用 much / a lot / far(得多)，a little/a bit(稍微有 点),even/still (甚至更)等修饰。但若有very, too, quite(非常),rather(相 当)等词修饰，则用原级。【例】He is much well t

6、oday.习题：It' s much (expensive)Tony jumps much(high)than Jim.He is very (well) today.It' s too (expensive)(3) 表示"越来越。”用比较级+and+比较级/more and more+原级习题：天气越来越冷了。It' s getting and (cold)她对音怎越来越感兴趣了。习题:西蒙喝的牛奶最多。Simon drinks milk.我们班里她会唱得歌最少。She can sing songs in our class.我们三个人里，他完成的家庭作业最

7、少。He finishes homework of us three.(2) “one of the +形容词最高级+可数名词复数”表示“最。的。之一”习题：上海是中国最美丽的城市之一。Shanghai is in China.他是我最好的朋友之一。(3) 形容词最高级前通常要加the。但当形容词最高级前有序数词、物主代 词、指示代词、名词所有格修饰时，通常不加the。【例】He is our best teacher.他是我们最好的老师。习题：彼得是他的长子。Peter is son.(4) 最高级中,of后所接内容与主语是同类事物,in后接表示范围的词语。习题:他是三者中最年轻的。.我是家

8、里最矮的。.3. asas的用法（1）两者相等:as+形容词（副词）原级+as （和。一样）习题：我爸爸和妈妈起的一样早。.（2）“用twice等表示倍数的词+ as +原级+as”表示甲是乙的儿倍。习题：这间房是那间房的两倍。This room is as big as that one.（3）两者不等:not as/so+形容词（副词）原级+as （和。不一样;不如,没有） 这张桌子不如那张桌子重。.习题：（4）dsas 可以和 the same*-as 互换习题：我和我的朋友年龄一样大。.（同义句）.习题一.选择()1 This box is that oneA. heavy thanB

9、. so heavy thanC. heavier asD. as heavy as()2 This book is that one, but than that one.A. as difficult as; expensiveB. as more difficult as; more expensiveC as difficuIt as; more expensiveD. more difficuIt as; as expensive()3 I think the story is not so as that oneA. interestingB. interestedC more i

10、nterestingD. most interesting()4 His father began to work he was seven years oldA. as old asB. as early asC. sinceD. while()5 I think science is _ than JapaneseA. much importantB. importantC much more importantD. more much important ()6 This pencil is than that one.A. longestB. longC. longerD. as lo

11、ng()7 My mother is no youngA. shorterB. longerC. littleD. few()8 These children are this year than they were last year.A. more tallB. more tallerC. very tallerD. much taller()9. It was very hot yesterday, but it is today.A. even hotterB. more hotterC much more hotD. much hot()10. Mrs Black has got i

12、nstead of getting any betterA. more badB. a littie worseC. much badlyD. a lot of worse()11. When we arrived, we found the meeting room crowded with students.A. quite a fewB. only a fewC. fewD. a few quite()12. The house is small for a family of six.A. much tooB. too muchC very muchD. so()13. Through

13、 the window we can see nothing but buildings.A. tall very manyB. very many tallC. very tall manyD. many very tall()14. 一What's your brother like?-He isA. a driverB. very tallC my friendD. at school()15. The jacket was so that he decided to buy it.A. muchB. littleC expensiveD. cheapl()16. Our cla

14、ssroom is larger than theirsA. moreB quiteC veryD. much()17. The ear th is about as the moon.A. as fifty time bigB. fifty times as bigC. as big fifty timesD. fifty as times big ( ) 18. Your room is mine.A. twice as large thanB. twice the size ofC. bigger twice thanD. as twice large as()19. Your room

15、 is than mine.A. three time bigB. three times bigC three times biggerD. bigger three times()20. His father isthan his mother;A. older four yearsB. as four years olderC four years olderD. bigger four years二填空1. When spring comes, it gets (short)2. (many) students in our class came to like English3. At last he began to cry (hard)4. When spring comes the days get and nights (long; short)5. I like (old) one of the two books6. Which is (large) country, China or Japan?7. Of the two cups, he bought