Sentence examples for could have been at work from inspiring English sources

Or all three factors could have been at work.

He said Republican "mischief" could have been at work.

The hall was created with a $1.2 million donation from Armand and Donald Feigenbaum, brothers who have international reputations for their business philosophy of "total quality management" — a philosophy that presumably could have been at work here as well.

Or sexual selection could have been at work, driven by a preference for blond mates.

However, other (self- selection mechaniself- selectionbeen at work.

Now, we may know what could have been at the root of the issue, thanks to work by researchers who attempted to reproduce the results of "observations that may have misled the researchers who made the original claims[, which include] cells that glow, faintly, under key wavelengths of light," Vogel wrote.

"They could have been at our center".

That Wales were not quite the same expressive attacking force against Portugal might have been due to the Arsenal player's absence through suspension, though something else could also have been at work.

"The Syrian Air Force could not have been at work, because the convoy was attacked during the hours of darkness," Mr. Lavrov said from the United Nations General Assembly session in New York, speaking to Russia's state-run Rossiya 1 television.

Both mechanisms have been at work.

The real beauty is that from the bench above this creek, where a large band of curlews was feeding, I couldn't tell that man had been at work -- not in the past five years and not in 1951.