Q:

The thief stole my cloak as I was asleep in the waiting room. 

• 1
  I had been sleeping in the waiting room when my cloak was stolen.
• 2
  My cloak was stolen as I was asleep in the waiting room.
• 3
  As I was asleep in the waiting room, my cloak was stolen.
• 4
  My clock was being stolen when I was asleep in the waiting room.