Past simple or Past continuous Saw 1. We was playing tennis when it were starting to rain. were playing was starting played started 2. Mum were cooking dinner while dad was watching TV. was cooking watched cooked were watching 3. Emma did homework when her mother entered the room. were doing were entering was doing was entering 4. Susan was cutting her finger while she was slicing the bread. cut sliced were cutting were slicing 5. When I last were seeing Mrs Black, she watered the flowers. was watering was seeing were watering 6. While I studied yesterday morning, Tom dropped by to see me. were studying was dropping was studying were dropping 7. We swam while David and Peter jogged by the lake. were swimming were jogging was swimming was jogging 8. When they arrived at the station, it was snowing heavily. were arriving snowed was arriving were snowing 9. While she were reading the newspapers, her brother listened to music. were listening read was listening was reading​