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 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。

　　wide (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

　　good------better------best

　　many------more------most

　　much------more------most

　　bad------worse------worst

　　far------farther, further------farthest, 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 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. 上海是中国最大城市之一。

　　This is apple I have ever met. 　这是我见到的最大的苹果。

　　Tom is boy in his basketball team. 　汤姆是他们篮球队中个子最高的孩子。

　　英语语法之形容词比较级和最高级练习题

　　1. This box is___ that one.

　　A. heavy than B. so heavy than

　　C. heavier as D. as heavy as

　　2 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 possibly

　　3 This book is____ that one, but____ than that one.

　　A. as difficult as; expensive

　　B. as more difficult as; more expensive

　　C. as difficult as; more expensive

　　D. more difficult as; as expensive

　　4 I think the story is not so ___ as that one.

　　A. interesting B. interested C. more interesting D. most interesting

　　5 His father began to work____ he was seven years old.

　　A. as old as B. as early as C. since D. while

　　2

　　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.

　　^. 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 they were last 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 hotter

　　C. much more hot D. much hot

　　6. Mrs Black has got____ instead of getting any better.

　　A. more bad B. a little worse C. much badly D. a lot of worse