catch a fire和on fire的区别同题造个句更好了!

catch a fire和on fire的区别同题造个句更好了!
catch a fire和on fire的区别
同题
造个句更好了!

catch a fire和on fire的区别同题造个句更好了!
be on fire表示一种状态
eg：Look!The house is on fire.
而catch a fire强调动作性
eg：The boy is so careless that he catches a fire on his clothes while cooking meals.