常用不规则的动词比较级最高级变化

1.一般在词尾加-er e.g. cold-colder ,high-higher ,strong-stronger
2.以字母e结尾的单词，直接加－r e.g. nice-nicer ,wide-wider
3.以重读闭音节结尾的单词，如果末尾只有一个辅音字母，双写该字母，再加-er e.g. fat-fatter , thin-thinner ,big-bigger,hot-hotter
4.以辅音字母加y结尾的单词，把y变成i,加-er e.g. busy-busier,early-earlier,easy-easier,healthy-healthier
5.不规则变化e.g.little-less,bad-worse,good-better.
6．在单词前加more e.g.exciting-more exciting ,interesting-more interesing

动词过去式、过去分词不规则变化

AB型

can could shall should

will would may might

AAA型

cost cost cost

cut cut cut

hit hit hit

hurt hurt hurt

let let let

must must must

put put put

set set set

shut shut shut

read read read

AAB型

beat beat beaten

ABA型

become became become

come came come

run ran run

ABB型

br