规则变化?
◇单音节以及少数双音节的词后面直接加-er , -est
原级 比较级 最高级
tall taller tallest
smart smarter smartest
short shorter shortest
◇以不发音的e结尾只加-r，-st
原级 比较级 最高级
nice nicer nicest
fine finer finest
large larger largest
◇“以辅音字母+y”结尾的词改y为i，再加-er, -est
原级 比较级 最高级
easy easier easiest
pretty prettier prettiest
happy happier happiest
funny funnier funniest
busy busier busiest
◇以一个元音加一个辅音字母结尾的单音节词(即重读闭音节词)，双写结尾的辅音字母，再加-er，-est
原级 比较级 最高级
slim slimmer slimmest
thin thinner thinnest
hot hotter hottest
big bigger biggest
特别提醒：new, few, slow, clean等词含有字母组合，且发的是长元音，不用双写。
◇大部分双音节词和多音节的词(即音标中含有三个或三个以上元音音素的词)，要在前面加 more，most
原级 比较级 最高级
beautiful more beautiful most beautiful
important more important most important
interesting more interesting most interesting
expensive more expensive most expensive
popular more popular most popular
特别提醒：以形容前缀un构成的三音节形容词不适合上述情况，
如unhappy----unhappier----unhappiest, untidy----untidier----untidiest
◇以形容词+ly构成的副词要在前面加 more，most
原级 比较级 最高级
slowly more slowly most slowly
quickly more quickly most quickly
angrily more angrily most angrily
softly more softly most softly
noisily more noisily most noisily
特别提醒：early ----earlier----earliest?
◇由ING分词和ED分词演变过来的形容词(包括不规则动词如know→known)只能加more或most来表示它们的比较级和最高级。
原级 比较级 最高级
interesting more interesting most interesting
excited more excited most exciting
tired more tired most?tired
boring more boring most boring
不规则变化
原级 比较级 最高级
good/well better best
bad/badly/ill worse worst
many/much more most
little less least
far farther/further farthest/furthest
old older/elder oldest/eldest
特别提醒：
◇further不仅可以指“距离更远”，还可指“程度更深”。
记住以下三个词组：further study(进修)
further education(继续教育)
further information (进一步的信息)
◇elder仅用于同辈之间的排行，如: elder sister(姐姐)
elder brother (哥哥)
◇less作为“更少”仅用来修饰不可数名词，修饰可数名词表示“更少”要用fewer。
以下内容不作为初中英语教学内容，仅供拓展之用。
◇少数单音节词前面加 more, most 构成比较级和最高级，这类形容词一般为表语形容词和由过去分词变成的形容词。
afraid ---- more afraid, most afraid
tired ---- more tired , most tired
fond ----- more fond , most fond
glad ----- more glad , most glad
bored ---- more bored , most bored
pleased---- more pleased , most pleased
◇下列形容词和副词的比较级和最高级有两种形式，即：既可加-er/-est也可加more/most
cruel, strict, often, friendly, clever
◇下列形容词和副词没有比较级和最高
(即表示“最高程度”或“绝对状态”的形容词和副词没有比较级和最高级)
empty, wrong, perfect, unique, extreme, excellent, favourite, true, right, correct, extremely ...
