I think you're going to be very busy in your 70s.

He had been very busy in the last two years.

He and others are likely to find much more to keep them busy in the coming years.

They have been especially busy in the last few weeks.

Over the next few years he found himself busy in the movie making business, and going to school.

And the course was not busy in the middle of the week.

Because it was sure to get very busy in the near future.

Somebody else had been busy in the last two hours.

But for the most part he was busy, even though present in body, and could give her little of his attention.

If he seemed busy in another room perhaps they would go away again.