It has been warning for some time that something like this might happen.

First he warned against the illusion of total security for any nation.

Peter warned him "for the last time" to change his ways.

The company has been warning for some time that it would have trouble keeping up with past growth.

He has warned for years that the Olympics are getting out of hand.

"I warned you for almost two years about your lack of enthusiasm."

The psychologists back home had warned about this kind of thing, for exactly these reasons.

"I only warned you for your own good," he said.

This is everything we warned about for the past year and half.

Whatever the reason, America is a country in which, child welfare advocates have been warning for years, many children are home alone.