忙与做某事be busy doing sth\with sth

I'm busy playing football.
I'm busy swimming.
I'm busy with playing football.
I'm busy with swimming.

I'm busy playing football.
I'm busy with swimming.

i am busy playing football
i am busy with swimming
be busy doing sth doing 是动词的现在分词形式
be busy with sth with后跟名词就可以

I am busying playing football and swimming.
I am busy with football and swiming.

He is busy playing football.
He is busy swimming

He is busy with football match.
He is busy with swimming