When he failed to return, his friend went looking for him.

When she again failed to return home he called the police.

Later that day, he went for a walk but failed to return.

Since then, the team failed to return back to the top level.

Like failing to return to my office, it was exactly the wrong decision.

When she failed to return home, her parents went to the school.

He failed to return the children to her on May 25, 2003.

A few days later she failed to return to work.

I let him out one night and in the morning he failed to return.

When she failed to return from work the next day he called the police.