1-As I was doing the washing-up,I broke a glass. 2-We were walking in the woods when the storm began. 3-Simon was dancing when he fell and broke his leg. 4-Debbie sang in the school choir many years ago. 5-Why were you laughing all through your history lesson yesterday? 6-I play the piano ,but I don't play very well. 7-I have a car but I don't use it very often.