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1、形容词比较级和最高级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 tallgreat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。wide ( 原级 )( 比较级 )( 最高级 )3
2、) 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
3、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good-better-bestmany-more-mostmuch-more-mostbad-worse-worstfar-farther, further-farthest, furthestold -older,elder-older,eldest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
4、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 istaller thanwe are.我们老师的个子比我们的高。It is warmer today than it was yesterday.今天的天气比昨天暖和。This picture isthan that one.这张照片比那张照片漂亮。This meeting isthan that one.这次会议不如那次会议重要。The sun isthan the mo
5、on.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 isstudenther class.她是班上最好的学生。Shanghai is one ofcitiesChina.上海是中国最大城市之一This is果。Tom is个子最高的孩子。1. This box is_ that one.apple I have ever met.这是我见到的最大的苹boy in his basketball team.汤姆是他们篮球队中A. heavy than B
6、. 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 possibly C. as politely as possible D. as politely as possibly3. This book is_ that one, but_ than that one. A. as difficult as; expensiveB. as more difficult as; more expe
7、nsive C. 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 work_ he was seven years old. A. as old as B. as early as C. since D. while6. I think scie
8、nce is_than Japanese.A. much important B. important C. much more important D. more much important7. This pencil is_than that one.A. longestB. longC. longerD. as long8. My mother is no _ young.A. shorterB. longerC. littleD. few9. These children are _ this year than they were last year. A. more tall B
9、. more taller C. very taller D. much taller10.It was very hot yesterday, but it is_today.A. even hotterB. more hotterC. much more hot D. much hot11.Mrs Black has got_ instead of getting any better.A. more badB. a little worseC. much badlyD. a lot of worse12.The earth is about_ as the moon.A. as fift
10、y time bigB. fifty times as bigC. as big fifty timesD. fifty as times big13.Your room is_ mine.A. twice as large thanB. twice the size ofC. bigger twice thanD. as twice large as14.Your room is _ than mine.A. three time big B. three times big C. three times bigger D. bigger three times15.His father i
11、s_than his mother. ;A. older four years B. as four years older C. four years older D. bigger four years16.When spring comes, it gets_.A. warm and warm B. colder and colder C. warmer and warmer D. shorter and shorter17.By and by, _ students in our class came to like English.A. more and more B. much a
12、nd much C. many and many D. less and least18.At last he began to cry _.A. hard and hardB. more hard and more hardC. harder and harderD. less hard and less harder19.When spring comes the days get _ and nights _.A. short; longB. long; short C. longer; shorter D. shorter; longer20._ I look at the pictu
13、re, _ I like it.A. The best; the moreB. The more; the lessC. The more; lessD. More; the more21._ he read the book, _ he got in it.A. The more; the more interesting_B. The less; the more interestingC. The more; the more interested _D. More; more interested22._ you come back, _ it will be.A, The quick
14、er; the bestB. The sooner; the betterC. Faster; the betterD. The sooner; better23. I like_ one of the two books.A. the older B. oldest C. the oldest D. older24. Which is_country, China or Japan?25. Of the two cups, he bought_.A. the smaller B. the smallest C. small D: smaller26. Which do you like _,
15、 tea or coffee?A. well B. better C. best D. most27.This work is _ for me than for you.A. difficultB.most difficultC. much difficultD. moredifficult28.Which do you think tastes _, the chicken or the fish?A. goodB. betterC. bestD. well29.Dont you think it _ not to write the letter?A. wellB. betterC. bestD. good答案：1.1-5DACAB3. 1-6AADBDD5. 1-3ADA7. 1-3BCB9 .1-5BDBAB2. 1-6CCBDAB4. 1-4BBCC6. 1-4DACC8. 1-3ABA