所有不规则的原级改成比较级的单词.（原级和比较级都要)

much/many--more---most
little---less---least
最不规则的
good/well---better---best
bad/ill/badly---worse---worst
far---father/turther---fathest/furthest
以y结尾的变y为i在加er
easy---easier---easiest
happy---happier ----happiest
busy--busier---busiest
有些要双写
thin--- thinner---thinnest
big--bigger--biggest
还有三音节或者更长的词是前面加more或most
如difficult,beautiful,outgoing,expensive等