For all that I knew the worst might have happened in my absence.

I don't know for certain how long I've been here or what has happened in my absence.

The critical question to ask for development effectiveness, however, is how the project changed what would have happened in its absence.

You must learn what has happened here in your absence.

He needed to find out what had happened in his absence.

We cannot remember things that happened to some one else, and in our absence.

Violence sometimes threatens him directly, but more often he must come upon ruin after the fact, learning what happened in his absence.

I know nothing of what has happened in my absence.

You'll be interested to hear what's happened in your absence.

He wondered if something else had happened in the three officers' absence.