1 . burn away 燒掉，燒燬。如：
The pile of paper burned away to nothing. 這堆已化爲灰燼。
2 . burn down 燒掉，燒燬。如：
A number of houses were burned down in the fire. 在火災中燒掉了不少房子。
3 . burn off 燒燬，燒盡。如：
The farmers are burning off the stubble from the fields. 農民正把地裏的.莊稼茬燒掉。
4 . burn out 燒完，燒掉，燒壞。如：
The building was burned out and only the walls remained. 大樓被燒空了，只剩下牆。
The engine is [has] burned out. 引擎被燒壞了。
5 . burn up
燒完，燒盡。如：
We burned up all the dead leaves in the garden. 我們把花園裏所有的枯葉都燒掉了。
燒得很旺。如：
As we gazed, the fire burned up again. 我們正看着時，火又重新燃燒起來。
