比较级和最高级的构成和用法1) 比较级和最高级的构成:①单音节形容词以及少数以- er ,- ow结尾的形容词和副词加“结尾的形容词和副词加“ er” ,“ est”. .narrow narrower narrowest clever cleverer cleverestHis book is the same as mine. =He has the same book as me. 以 ②以 e 结尾的单音节形容词和副词后以及少数以- ble ,- ple结尾的双音节形容词和副词后,加“结尾的双音节形容词和副词后,加“ r” ,“ st”. simple simpler simplestable abler ablest③以一个辅音结尾的单音节形容词,其前的元音字母发短元音时,该辅音字母要双写,然后加“③以一个辅音结尾的单音节形容词,其前的元音字母发短元音时,该辅音字母要双写,然后加“ er” ,“ est” hot hotter hottest 加 ④以辅音加 y 结尾的形容词和少数不是形容词加 ly 构成的副词要将y 改为 i ,再加“ er” ,“est”, ,early earlier earliest happy happier happiest加 ⑤一般双音节词、多音节形容词和副词在原级前加 more 或most. .carefully more carefully most carefully加 ⑥少数单音节形容词也加 more和 和 most 构成比较级和最高级。tired more tired most tired pleased more pleased most pleased⑦下列形容词、副词的比较级和最高级可有两种构成方法cruelcrueler cruelestmore cruel most crueloftenoftener oftenestmore often most often strictstricter strictestmore strict most strictfriendlyfriendlier friendliestmore friendly most friendly⑧下列形容词,副词的比较级和最高级的构成不规则.goodwellbetter bestbadillworse worstmanymuchmore