be busy with后加什么

busy后面如果+动词，则要用动名词形式，即be busy doing sth.忙于做某事。若是直接加名词，则用介词with连接，即be busy with sth.

例句

He may be busy getting ready for his trip.

他也许在忙于准备外出旅行。

Means to be busy doing something.

就是指忙着做各种事情。

Everv day they were busy with cutting the grass and clearing the bushes.

每天他们都忙于割草和清理灌木丛。

Let\'s get busy with the clearing up.

我们开始清理吧。