1.动词变名词 一般加ing,如,play--playing(动名词) 以不发音的e结尾,去e加ing,如,dance--dancing(动名词) 重读闭音节双写最后一个辅音字母再加ing.如,swim--swimming(动名词) 2.形容词变副词 一般情况下直接+ly 如beautiful --- beautifully 以y结尾,且读音为i,先将y改成i,再加es 如happy--happily 还有一类副词,有特殊的变化形式 如good—well 3.动词变形容词 在词尾加ing表修饰物,如relax--relaxing. This class is relaxing. 在词尾加ed表修饰人,如relax--relaxed. He is relaxed. 在词尾加ed表修饰人,如relax--relaxed