三、形容词和副词比较等级的构成
1.规则变化
(1)单音节和部分双音节词通常在词尾加-er,-est构成比较级和最高级。
long→longer→longest
(2)以不发音的e结尾的词只在词尾加-r,-st.
tall→taller→tallest
large→larger→largest
(3)以“辅音字母+y”结尾的词则应先将y变为i,再加-e-est
late→later→latest
busy→busier→busiest
(4)以重读闭音节结尾,且词尾只有一个辅音字母的词,则双写这个辅音字母,再加-er,-est
easy→easier→easiest
big→bigger→biggest
(5)多音节和部分双音节词在其前加 more,most构成比较级和最高级。
difficult→more difficult→most difficult
quickly→more quickly→most quickly
2.不规则变化
good/well→better→best
little→less→least
old →older/elder→oldest/eldest
much/many→more→most
bad/badly/ill→worse→worst
far→farther/further→farthest/furthest