Looking on the internet deeply has found these results:

i was busy is the most popular phrase on the web.

I became busy 156,500 results on the web	i was busy 113,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Believe me, I know, and by the way, I was busy saving your life at the time. But I was busy watching your fake girlfriend flirt with another very handsome man. I was busy raising our children, taking care of our home, supporting you and your career. I was busy doing my job. I was busy seeing myself as a victim, so I would have an excuse... to keep drinking. Maybe I was busy buying lottery tickets 'cause I'm a freakin' psychic. I was busy talking to the girl in the next stall. I was busy keeping you safe.

I became busy

156,500 results on the web

i was busy

113,000,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Believe me, I know, and by the way, I was busy saving your life at the time.
But I was busy watching your fake girlfriend flirt with another very handsome man.
I was busy raising our children, taking care of our home, supporting you and your career.
I was busy doing my job.
I was busy seeing myself as a victim, so I would have an excuse... to keep drinking.
Maybe I was busy buying lottery tickets 'cause I'm a freakin' psychic.
I was busy talking to the girl in the next stall.
I was busy keeping you safe.