形容词和副词的比较级和最高级讲解与练习一、变化规则① 一般的比较级和最高级在形容词或副词后加-er 或-est，如：small --- smaller --- smallest② 以不发音-e 结尾的形容词或副词直接加 –r 或 –st，如:large --- largest --- largest③ 重读闭音节词尾是一个辅音字母的，需双写该辅音字母，再加-er 或-est。如：big---bigger---biggest④ 以辅音字母加 y 结尾的形容词和副词，把“y”变“i”，再加 –er 或-est.如：busy---busier---busiesthappy---happier---happiest⑤一些双音节与多音节形容词或副词前要加 more 和 most，如：slowly --- more slowly --- most slowlybeautiful---more beautiful---most beautiful还有一些不规则的变化：原级比较级最高级goo/ wellbetterbestmany/ muchmoremostbad / badly（坏地）worseworstlittlelessleastoldolder（年龄）/ elder(辈份)oldest/ eldestfarfarther 距 离 / further （ 程度）farthest/ furthest二、形容词和副词的等比句型①as+原级+as…和……一样 I’m as tall as you. ② not as(so)+原级+as 不和……一样（在否定句中常用 so 来代替as）如：I can’t run so fast as you. 另外 as…as possible 为固定结构“尽可能的”如：as soon as possible, as quickly as possible “尽快”等。在以上两个句型中形容词或副词一定要用原级。练习： 我的房间不如你的洁净。______________________________ 你必须跟他一样仔细。________________________________▲as…as 前还可以加倍数,如: The room is two times as large as that one.三、比较级（两者之间） (1) 两者相比: Which is+比较级,A or B? 如: Which is bigger, the sun or the moon?(2)比较级+ than. 如: Mike is taller than John.(3)有"of the two”, 用 the+比较级. 如: Lucy is the more careful of the two.(4) 比较级前可用 much/a lot /far/ a little /a bit/even 等修饰. 如: This book is much more interesting than that one. The blouse I bought yesterday is a little less expensive. To play basketball is far more enjoyable to the boy. (5) 比较级+and+比较级,表“越来越……” It becomes warmer and warmer.(6)“ the+比较级...
