1. when you called i was taking a shower.
2. katy and me were already driving home when the engine suddenly stopped.
3. i was playing in volleyball .
4. we were reading book.
5. i was not writing book.
6. were you sleeping when i called?
7. in the morning when someone knocked at the door.
8. she were watching tv
9. i was playing compuer game
10/ he were reading newspaper