1.Fred was playing football while Max was watching a video.
2.Bugsy was doing homework while Popsy was singing.  
3. Popsy was eating a pizza when Fred rang the bell.
4.Bugsy was sleeping when the doctor arrived.
5. Fred was listening to musi while  Max was visiting Popsy.
6.Bugsy was speaking to Max when Dilly came home.
7. Fred was doing exercises while Popsy  was eating her lunch.
8. Max was washing the car  when Dilly broke  the window.
9. Dilly was playing tennis while  Bugsy was cleaning his room.
10. Max was standing outside when Fred phoned.

1. Fred was playing football while Max was watching a video.
2. Bugsy was doing her homework while Popsy was singing.  
3. Popsy was eating a pizza when Fred rang the bell.
4. Bugsy was sleeping when the doctor arrived.
5. Fred was listening to music while Max was visiting Popsy.
6. Bugsy was speaking to Max when Dilly came home.
7. Fred was doing his exercises while Popsy was eating her lunch.
8. Max was washing the car when Dilly broke the window.
9. Dilly was playing tennis while Bugsy was cleaning his room.
10. Max was standing outside when Fred phoned him.