形容词副词比较级最高级的构成

1.规则变法口诀：直去双改多

1）直；直接 +er/est:

richer/est   shorter/est  harder/est

2) 去；以不发音e结尾，去e+er/est:

nicer/est   cuter/est     

3) 双：重读闭音节，双写最后一个辅音+er/est:

hotter/hottest    bigger/est  thinner/est

4) 改：辅音加y，改y为i+er:

happier/est    easier/est

5) 多：多音节加more:

more/most beautiful

2.不规则变法口诀：

good-better-best

bad/badly-worse-worst

well-better-best

ill-worse-worst

many-more-most

few-fewer-fewest

much-more-most

little-less-least

old-older-oldest（年龄较大）

old-elder-eldest (辈分较高），如：

elder brother 哥哥

far-farther-farthest（距离远）

far-further-furthest(程度远，如 further study: 深造)

3.比较级原则口诀：

①单单相比

-The apple is bigger than that one.

②复复相比

-My books are heavier than her books.

③同类相比

-His head is bigger than mine.