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1、形容词比较级和最高级讲解绝大多数形容词有三种形式 , 原级 , 比较级和最高级, 以表示形容词说明的性质在程度上的不同。形容词的原级: 形容词的原级形式就是词典中出现的形容词的原形。 例如 : poor tall great glad bad形容词的比较级和最高级: 形容词的比较级和最高级形式是在形容词的原级形式的基础上变化的。 分为规则变化和不规 则变化。规则变化如下 :1） 单音节形容词的比较级和最高级形式是在词尾加 -er 和 -est 构成。great （ 原级 ） （ 比较级 ） （ 最高级 ）2） 以 -e 结尾的单音节形容词的比较级和最高级是在词尾加 -r 和 -st 构成。wi
2、de （ 原级 ） （ 比较级 ） （ 最高级 ）3） 少数以 -y, -er, -ow, -ble 结尾的双音节形容词的比较 级和最高级是在词尾加-er和-est构成。clever（ 原级 ） （ 比较级 ） （ 最高级 ）4） 以 -y 结尾 , 但 -y 前是辅音字母的形容词的比较级和 最高级是把-y去掉，加上-ier 和-est构成.happy （ 原形 ） （ 比较级 ） （ 最高级 ）5） 以一个辅音字母结尾其前面的元音字母发短元音的形容词的比较级和最高级是双写该辅音字母然后再加-er和-est。big （ 原级 ） （ 比较级 ） （ 最高级 ）6） 双音节和多音节形容词的比较级
3、和最高级需用 more 和 most 加在形容词前面来构成。beautiful （ 原级 ）（ 比较级 ） （ 比较级 ）difficult （ 原级 ） （ 最高级 ） （ 最高级 ）常用的不规则变化的形容词的比较级和最高级:原级 比较级 最高级goodbetterbestmanymoremostmuchmoremostbadworseworstfarfarther, furtherfarthest, furthest形容词前如加 less 和 least 则表示 较不和最不 important 重 要 less important 较 不 重 要 least important 最不重要形
4、容词比较级的用法 :形容词的比较级用于两个人或事物的比较, 其结构形式如下:主语 +谓语 （ 系动词 ）+ 形容词比较级+than+ 对比成分。 也 就是，含有形容词比较级的主句+than+从句。注意从句常常省去意义上和主句相同的部分, 而只剩下对比的成分。Our teacher is we are. 我们老师的个子比我们的高。It is today than it was yesterday.今天的天气比昨天暖和。This picture is than that one.这张照片比那张照片漂亮。This meeting is than that one. 这次会议不如那次会议重要。The
5、sun is than the moon. 太阳比月亮大得多。形容词最高级的用法 :形容词最高级用于两个以上的人和物进行比较, 其结构形式为 :主语 +谓语 （ 系动词 ）+the+ 形容词最高级+名词+表示范围的短语或从句。She is student her class.她是班上最好的学生。Shanghai is one of cities China.之一。This is apple I have ever met.苹果。Tom is boy in his basketball team.上海是中国最大城市这是我见到的最大的汤姆是他们篮球队中个子最高的孩子。练习1. This box i
6、s_ that one.A. heavy than B. so heavy thanC. heavier as D. as heavy as2. When we speak to people, we should be .A. as polite as possible B. as polite as possiblyC. as politely as possible D. as politely as possibly3. This book isthat one, butthan that one.A. as difficult as; expensiveB. as more diff
7、icult as; more expensiveC. as difficult as; more expensiveD. more difficult as; as expensive4. I think the story is not so _ as that one.A. interesting B. interested C. more interesting D. most interesting5. His father began to workhe was seven yearsold.A. as old as B. as early as C. since D. while2
8、( )1. I think science is _ than Japanese.A. much important B. important C. much more important D. more much important( ) 2 This pencil is_ than that one.A. longest B. long C. longer D. as long( ) 3 My mother is no _ young.A. shorter B. longer C. little D. few( ) 4 These children are this year than t
9、hey werelast year.A. more tall B. more taller C. very taller D. much taller( ) 5 It was very hot yesterday, but it is_ today.A. even hotter B. more hotterC. much more hot D. much hot6. Mrs Black has got instead of getting any better.A. more bad B. a little worse C. much badly D. a lot of worse31. Wh
10、en we arrived, we found the meeting room crowded with_ students.A. quite a few B. only a few C. few D. a few quite2. The house is small for a family of six.A. much too B. too much C. very much D.so3. Through the window we can see nothing but buildings.A. tall very many B. very many tall C. very tall
11、 manyD. many very tall4. -Whats your brother like?-He is_.A. a driver B. very tall C. my friend D. at school5. The jacket was so_ that he decided to buy it.A. much B. little C. expensive D. cheapl6. Our classroom islarger than theirs.A. more B. quite C. very D. much4( ) 1. The earth is aboutas the m
12、oon.A. as fifty time big B. fifty times as big C. as big fifty times D. fifty as times big( ) 2. Your room is mine.A. twice as large than B. twice the size of C. bigger twice than D. as twice large as( ) 3. Your room is _ than mine.A. three time big B. three times big C. three times bigger D. bigger
13、 three times( ) 4. His father isthan his mother. ;A. older four years B. as four years older C. four years older D. bigger four years( ) 1. Maths is more popular than.A. any other subject B. all the subjects C. any subjectD. other subject( ) 2. China is larger than in Africa.A. any other country B.
14、other countries C. the othercountry J 1%D. any country( ) 3. Tom is stronger than _ in his class.A. any other boy B. any boys C. any boy D. other boy6( ) 1. When spring comes, it gets.A. warm and warm B. colder and colderC. warmer and warmer D. shorter and shorter( ) 2. By and by, students in our cl
15、ass came tolike English.A. more and more B. much and much C. many and manyD. less and least( ) 3. At last he began to cry _.A. hard and hard B. more hard and more hardC. harder and harder D. less hard and less harder( ) 4. When spring comes the days get and nightsA. short; long B. long; short C. lon
16、ger; shorter D.shorter; longer71. _ I look at the picture, I like it.A. The best; the more B. The more; the lessC. The more; less D. More; the more2. _ he read the book, he got in it.A. The more; the more interestingB. The less; the more interestingC. The more; the more interestedD. More; more inter
17、ested3. _ you come back, it will be.A, The quicker; the best B. The sooner; the better( . Faster; the better D. The sooner; better8( )1. I like_ one of the two books.A. the older B. oldest C. the oldest D. older( )2. Which is_country, China or Japan?A. the large B. the larger C. larger D. largest( )
18、 3. Of the two cups, he bought .A. the smaller B. the smallest C. small D: smaller9( ) 1. Which do you like _, tea or coffee?A. well B. better C. best D. most( ) 2. This work is for me than for you.A. difficult B. most difficult C. much difficult D.more difficult( ) 3. Which do you think tastes , th
19、e chickenor the fish?A. good B. better C. best D. well( ) 4. The Great Pyramid is about 137 metres high todaybut it was onceA. higher B. highest C. high( ) 5. Dont you think itA. well , B. better C. best D.答案：1 . 1-5 D A C A B3. 1-6 A A D B D D5. 1-3 A D A7. 1-3 B C Btoo D. more high not to write the letter? good2. 1-6 C C B D A B4. 1-4 B B C C6. 1-4 D A C C8. 1-3 A B A9 .1-5 B D B A B