Sentence examples for be are on from inspiring English sources

On any viable construal of Dual Coding Theory, the two codes, whatever they might be, are on a par with one another, playing parallel and complementary explanatory roles.

The powers that be are on a roll.

But, is being "on track" enough?

He's been on charges".

It's being on guard".

It's been on my mind.

He's been on my show.

"It's been on the market before.

What a run she's been on.

And it's been on my mind.

He's been on an incredible roll".