1) Yesterday at 3 o'clock Anna was playing the flute, and her brothers were playing the violin.
2) While Fred was including the vacuum cleaner, his wife was including the washing machine.
7) What were you doing, when grandmother was baking pancakes?
4) My dad was repairing central heating yesterday at 7 p.m
3)While I was buying vegetables, I was speaking with the seller of vegetables and fruit.
5) Who was playing tennis when you entered the room?
6) Little Tom was looking at the map of Europe when his sister was telling him about England
8) While when the kids were listening to the music, their parents were watching the sunrise.