大部分形容詞加-ly可構成副詞

　　1) 大部分形容詞加-ly可構成副詞。但 friendly，deadly，lovely，lonely，likely，lively，　　ugly，brotherly，仍為形容詞。

　　改錯：(錯) She sang lovely.

　　(錯) He spoke to me very friendly.

　　(對) Her singing was lovely.

　　(對) He spoke to me in a very friendly way.

　　2)有些以-ly 結尾既為形容詞，也為副詞。

　　daily，weekly，monthly，yearly，early

　　The Times is a daily paper.

　　The Times is published daily.