Sentence examples for been at work from inspiring English sources

Vandals had been at work.

I had been at work that morning.

SOD'S law has been at work again.

The biggest change has been at work.

I've been at work all day".

Or all three factors could have been at work.

But something else may have been at work.

A number of factors have been at work.

"It is as if countless stonecutters have been at work..

But has a hidden hand been at work here?

Or might something else have been at work?