biggeryoungerbiggerlongertallerbigyoungbiglongtallnicenicerheavyheavier形容词和副词比较级的构成:一般在词尾加-ere.g. cool-cooler, long-longer以字母e结尾的形容词,加r e.g. nice-nicer, late-later重读闭音节词应双写最后一个字母,再加er, e.g. big-bigger, hot-hotter以“辅音字母+y”结尾的双音节词,先改y为i, 再加er e.g. happy-happier, early-earlierbig cheap youn