The door didn't close until I was going down past the third floor.

The door had closed behind him and he was gone.

Then they were gone and the door closed behind them.

Or what if the door had closed on one of us, perhaps a child?

The door closed behind her and she was alone in the little green close.

The front door closed after him and he was gone.

The door closed behind her, and she was in Level 2.

She was gone, and the door had closed after her.

The first door closed behind me, but the second did not open right away.

The door closed behind them, and the power went out.