1.一般形容词词尾加-ly变成副词,如: slow→slowly clear→clearly
2.以“
辅音字母+y”结尾的,要变y为i加-ly,如: easy→easily happy→happily
3.以
元音字母加辅音字母+e结尾的重读开音节,直接加-ly,如:
polite→politely safe→safely wide→widely
4.以元音字母+e结尾,去e加-ly,如: true→truly
5.以辅音字母加-le结尾,去e加-y,如: terrible→terribly possible→possibly
6.形容词与副词同形,如: fast→fast early→early
7.形容词与副词异形,如:good→well