2016高中英语词性分类专项复习
形容词变化:形容词原形，比较级，最高级，不规则变化
1．一般单音节词和少数以-er，-ow结尾的双音节词，比较级在后面加-er，最高级在后面加-est；
small→smaller→smallest short→shorter→shortest tall→taller→tallest
great→greater→greatest clever→cleverer→cleverest narrow→narrower→narrowest
2．以不发音e结尾的单音节词，比较在原级后加-r，最高级在原级后加-st；
large→larger→largest nice→nicer→nicest able→abler→ablest
3．在重读闭音节（即：辅音＋元音＋辅音）中，先双写末尾的辅音字母，比较级加-er，最高级加-est；
big→bigger→biggest hot→hotter→hottest
fat→fatter→fattest thin----thinner---thinnest slim----slimmer----slimmest
4．以“辅音字母＋y”结尾的双音节词， 把y改为i，比较级加-er，最高级加-est；
easy→easier→easiest heavy→heavier→heaviest busy→busier→busiest
happy→happier→happiest funny---funnier---funniest pretty---prettier---prettiest
5．其他双音节词和多音节词，比较级在前面加more，最高级在前面加most；
beautiful→more beautiful→most beautiful different→more different→most different easily→more easily→most easily
tired----more tired----most tired afraid---more afraid---most afraid
convenient---more convenient---most convenient
6．不规则
good/well→better→best bad/ill→worse→worst old→older/elder→oldest/eldest many/much→more→most little→less→least far →further/farther→ furthest/farthest
7.特殊
Cruel,strict, often, friendly,clever,既可以加-er/-est也可以加more/most
Empty,wrong, perfect,unique, extreme, excellent,favorite, true, right, correct没有比较级和最高级
副词的变化(比较级在前面加more，最高级在前面加most)
1.一般在形容词后加ly, shy---shyly
2. 以“辅音字母＋y”结尾的双音节词， 把y改为i,再加ly
happy---happily healthy----healthily busy--busily angry----angrily
3.特殊
true------truly simple---simply able---ably probable----probably, comfortable----comfortably, suitable---suitably,
available---availably
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