形容词副词比较级和最高级有规则变化和不规则变化规则变化（1）一般情况下,单音节或双音节的形容词（或副词）比较级＋er ,最高级＋est 如：clever－cleverer－cleverest few－fewer－fewest small－smaller－smallest等（2）以e结尾的词,比较级＋r,最高级＋st即可 如：nice－nicer－nicest cute－cuter－cutest large－larger－largest（3）以辅音字母＋y结尾的变y为i＋er或est 如：easy－easier－easiest happy－happier－happiest 再如：early ,busy ,heavy ,dirty ,lazy .也如此（4）双写最后一个辅音字母＋er或est的词同学要用心去记.如：beautiful －more beautiful － the most beautiful .delicious ,popular ,important ,interesting ,expensive 双音节的词如 careful－more careful －the most careful useful －more useful －the most useful .少数单音节词也是这样如：pleased－more pleased －the most pleased tired－more tried －the most tired不规则变化：bad－worse worst