be busy to do有没有这种形式,be busy doing 有啥区别
3个回答

好像没有哦~

be busy (in) dong是“忙于做某事”.

eg.He is busy (in) working all day

.

他整天都忙于工作.

(请注意,不是“正在忙于做某事”……其他时态也可以用的.这句例句就是一般现在时~)

还有一个是be busy with sth.忙于某事

像上面那句,就可以改成:

He is busy with work all day.

也是上面一句那个意思~