1.以e結尾去e加ly： terrible-terribly true-truly gentle-gently possible-possibly
2.以e結尾直接加ly: fortunate-fortunately delicate-delicately polite-politely immediate-immediately wide-widely wise-wisely nice-nicely
3.以y結尾，變y為i加ly： happy-happily heavy-heavily angry-angrily busy-busily
4.以y結尾直接加ly： dry-dryly shy-shyly 5.以ic結尾加ally: economic-economically 特殊：public-publicly basic-basically scientific-scientifically automatic-automatically energetic-energetically
5.以le結尾，去e加y： simple-simply considerable-considerably terrible-terribly gentle-gently possible-possibly probable-probably incredible-incredibly 特殊：sole-solely whole-wholy
6.以ll結尾時，只加y dull-dully shrill-shrilly 注意： 有些以y結尾的詞是adj而非adv friendly motherly lovely monthly heavenly
1.以e結尾去e加ly： terrible-terribly true-truly gentle-gently possible-possibly
2.以e結尾直接加ly: fortunate-fortunately delicate-delicately polite-politely immediate-immediately wide-widely wise-wisely nice-nicely
3.以y結尾，變y為i加ly： happy-happily heavy-heavily angry-angrily busy-busily
4.以y結尾直接加ly： dry-dryly shy-shyly 5.以ic結尾加ally: economic-economically 特殊：public-publicly basic-basically scientific-scientifically automatic-automatically energetic-energetically
5.以le結尾，去e加y： simple-simply considerable-considerably terrible-terribly gentle-gently possible-possibly probable-probably incredible-incredibly 特殊：sole-solely whole-wholy
6.以ll結尾時，只加y dull-dully shrill-shrilly 注意： 有些以y結尾的詞是adj而非adv friendly motherly lovely monthly heavenly