忙于某事：be busy doing sth

英语中的 be busy doing sth 是一个常用搭配，比如：

He is busy writing，他正忙于写作。

I’m busy cooking the dinner，我正忙着烧饭。

She was busy weeding the garden，她在花园里忙着除草。

He’s busy studying for his finals，他正忙着准备期末考试。

注：以上都是后面省略介词in，做方面状语。be busy in doing sth=忙于做某事。in doing 修饰前面的谓语部分be busy。

扩展资料：

动词前省略介词in 的16个常见结构归纳如下：

1、be careful (in) doing sth做某事很小心

2、be busy (in) doing sth 忙于做某事

3、be fortunate (in) doing sth 很幸运做某事

4、be late (in) doing sth 做某事做晚了或做迟了

5、have luck (in) doing sth 做某事时很走运

6、have/find difficulty (in) doing sth 做某事有困难

7、 have trouble (in) doing sth 做某事有困难