While he was sleeping, we were all working.(O uyurken,hepimiz çalışıyorduk.)
Tom was looking after his baby sister once a week when he was single.(Tom bekarken haftada bir kez kız kardeşine bakıyordu.)
He was walking in the street in the street watching the shop windows when he suddenly met her.(Aniden onunla karşılaştığında,caddede vitrinleri seyrederek yürüyordu.)