(
课件网) 秀山县民族中学 张艳 Aims and demands 1.How to form the comparative and superlative degrees of adjectives and adverbs.(怎样构成形容词和副词的比较级和最高级） 2.How to use the comparative and superlative degrees of adjectives and adverbs. 3. How to improve our abilities of using English. How to form them. 单音节词，少数双音节形容词和副词的比较级和最高级的规则变化 原级 比较级 最高级 tall -- taller -- tallest long—longer—longest short—shorter—shortest 1:单音节词，少数双音节词在词尾加er构成比较级，加est构 成最高级。 nice-- nicer --nicest large– larger-- largest cute—cuter—cutest 2:以不发音的e结尾的词,直接在词的后面加 r构成比较级,加 st构成最高级. hot – hotter-- hottest big—bigger—biggest fat—fatter—fattest 3: 重读闭音节词 ,如末尾只有一个辅音字母应先双写这个辅音字母, 再加er构成比较级，加est构成最高级。 easy-- easier –easiest heavy—heavier—heaviest happy—happier—happiest 4:以辅音字母+y结尾的词, 先变y为i再加er构成比较级，加est构成最高级。 5：双音节词,多音节词在词前加 more /less构成比较级，加most / least构成最高级。 双音节词,多音节形容词和副词的比较级和最高级的规则变化. quickly—more /less quickly—most / least quickly heavily—more /less heavily—most / least heavily fantastic—more /less fantastic—most / least fantastic 注：clever, lovely, friendly等用-er 和-est或more和most皆可。 形容词/副词比较级和最高级的不规则变化 good/well –better-- best bad/badly/ill – worse-- worst old – older（旧）/elder（年龄） --oldest/eldest many/much– more-- most little– less-- least far – farther（距离）/further（意义） --farthest/furthest 巧记口诀： 多与少，好与坏，相差不是很远。 How to use them. 形容词，副词比较级和最高级的基本用法 1. 同级相比（肯定），与……一样：用“as……as” Lin Tao is as clever as Jim. （否定）与……不一样： 用“not as (so)……as” Ann does not do as carefully as Jane.（同义句） Jane does ____ _____ than Ann. Ann does ____ _____ than Jane. 2. 两者相比用“比较级” This cake is _____ than that one. (small) Which is _____, the sun or the moon (big) less carefully more carefully smaller bigger 3. 三者或三者以上相比，用最高级，形容词最高级前加the, 副词最高级形式句中 the 可以省略。 The Yangtze River is the longest river in China.（同义句） The Yangtze River is_____ than _____ _____ river in China. The Yangtze River is_____ than _____ _____ rivers in China. longer any other longer the other How to perfect them. 形容词,副词比较级和最高级的特殊用法. “比较级连用” ,表示“越来越……” It’s getting warmer and warmer in spring. She’s more and more careful/ beautiful. 2. 表示“比较程度”，常用a little, a lot, much, even 修饰比较级。 He is much/ a lot taller than I. ( ) My brother is _____ more outgoing than me. A. many B. little C. much c 3. 在最高级前可以加序数词加the表示“第几最……的” The Yellow River is the second longest river in China. 4. “the+比较级+（主谓），the+比较级+（主谓）”，表示“越……，就越……” The more friends we have, the happier we can feel. The harder ... ...
