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1、形容词和副词的比较级和最高级（ The Comparative and Superlative degrees of Adjectives and Adverbs)英语中有时需要对两者或三者以上进行比较，这时就需用形容词或者副词的比较等 级。比较等级分为： 原级 old late cheap high 比较级 older later cheaper higher 最高级 oldest latest cheapest highest,形容词和副词的比较级和最高级,1.形容词比较级和最高级的构成：,规则变化,tall,taller,tallest,short,shorter,shortest,ni
2、ce,nicer,nicest,fine,finer,finest,early,earlier,earliest,easy,easier,easiest,happy,happier,happiest,heavy,heavier,heaviest,thin,thinner,thinnest,big,bigger,biggest,hot,hotter,hottest,wet,wetter,wettest,red,redder,reddest,useful,more useful,most useful,expensive,more expensive,most expensive,difficul
3、t,more difficult,most difficult,fat,fatter,fattest,elder/eldest 只表示年龄的长幼关系，不表示比较。如：elder sister, eldest brother,good/well,better,best,bad/badly/ill,worse,worst,many/much,more,most,little,less,least,far,farther,farthest,(further),(furthest),old,older,oldest,(elder),(eldest),比较级的用法：,1.两个人或两件事物或是两个整体进行
4、比较时， 需用“形容词比较级+than(比)” 这一比较级结构，表示“比更一些”. 英语比数学要难。 English is maths.,more difficult than,地球比月球大。,The earth is the moon.,bigger than,今天我来学校比他早。,I came to school he.,earlier than,2.可以用much/far/a lot(比得多), a little/ a bit(比一点)等程度副词或词组来修饰比较级， 表示不同程度。 如： 电脑比电视贵得多。 A computer is expensive than a TV set.,m
5、uch more,这条河比那条河宽一些。,This river is wider than that one.,a little,她学习比皮特努力得多。,She works harder than Peter.,a lot/far,3.还可以用even(甚至), two years等表示数量的词组来修饰比较级。 如： 昨天很热，今天甚至更热。 Yesterday was hot. Today is hotter than yesterday.,even,我爸爸比我妈妈大三岁。,My father is older than my mother.,three years,他比我高2厘米。,He
6、is taller than I.,two centimeters,4. 最高级还可被序数词或表示倍数的词修饰。如：Which is _ (第二大) city in China?Sue is _ (第三高) student in our class.Your house is _(大两倍) than mine.The city is _(小三倍) than that one.,the second largest,the third tallest,twice bigger,three times smaller,6. 表示 “两者中较的一个” 比较级前要加the。,Peter is of t
7、he two boys.,the taller,5. 表示 “哪个更” 的句型。,Which is , English or math?,more difficult,Who is , Mary or Sue?,more careful,7. 表示同等比较的句型：表示双方在程度、性质、特征等某方面相同用: 肯定：as+ 原级形容词/副词 + as the same +名词 + as 否定：not so/as + 原级形容词/副词 + as He is _ (clever) his brother. He runs _(fast) a rabbit. He is _(as tall as) as
8、 his father. She is _(as old as) as I. I am _(as heavy as) as Mary.,the same height,the same age,the same weight,as clever as,as fast as,8. 表示一方不如另一方，用下面句型： less + 形容词和副词原级 + than,less beautiful than,她不如她妹妹漂亮。,She is her sister.,Her sister is more beautiful than she.,She isnt so beautiful as her sis
9、ter.,P.E. is music. P.E is not _ _ _ music.,体育不如音乐有趣。,less interesting than,so interesting as,9. 表示 “越来越”，用下面句型： 比较级+ 比较级,hotter and hotter.,天气越来越热了。,It is getting,Shenzhen is .,深圳越来越漂亮了。,more and more beautiful,The queue is getting .,longer and longer,队伍越来越长了。,10. 表示 “越就越”，用下面句型： the + 比较级，the + 比较
10、级,the better.,越快越好。,The sooner,you work, you will be.,你现在越努力，将来就会越成功。,The harder,grades you get, your parents will be.,the more successful,The better,the happier,最高级的用法,最高级一般用of 或 in来表示比较范 围。一般来讲, of + 参加比较的人或 物, 而in + 范围。如： 1)The Changjiang River is the longest _ (of/in) all the rivers in China. 2)
11、The Changjing River is the longest river _ (of/in) China.,of,in,3)Lily is the tallest girl _(of/in) all the girls in class 3. Lily is the tallest girl _(of/in) class 3. 4)Shenzhen is the most beautiful city _(of/in) Guangdong province. Beijing is the biggest city _ (of/in) all the cities in China.,o
12、f,in,in,of,2. 形容词最高级前一般要用the, 副词 最高级前则可省略the。 Who is _ (heavy) in your class? He runs _(slowly) of us all.3.最高级前面有物主代词省略the。 English is his _ (good) school subject. This is my _ (tall) sister. That is Jacks _(big) house.,best,tallest,biggest,the heaviest,most slowly,4. 三者以上表示最不，用下面句型： (the) least + 形容词和副词原级 + of/in,the least beautiful,三姐妹中她最不漂亮。,She is of the three sisters.,She is less beatiful than the other two sisters,Tom does his homework in our class.,我们班同学中汤姆做作业最不细心。,the least carefully,
