1) 大部分形容词加-ly可构成副词。但 friendly,deadly,lovely,lonely,likely,lively,ugly,brotherly,仍为形容词。
改错:(错) She sang lovely.
(错) He spoke to me very friendly.
(对) Her singing was lovely.
(对) He spoke to me in a very friendly way.
2)有些以-ly 结尾既为形容词,也为副词。
daily,weekly,monthly,yearly,early
The Times is a daily paper.
The Times is published daily.
v. 说,说话,演说