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 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