BT1:
1. He wasn't planting trees in the garden at 4 pm yesterday
Was he planting trees in the garden at 4 pm yesterday?
2. They weren't working when she came yesterday
Were they working when she came yesterday?
3. She wasn't painting a picture while her mother was making a cake
Was she painting a picture while her mother was making a cake?
4. Anne wasn't riding her bike to school when Peter saw her yesterday
Was Anne riding her bike to school when Peter saw her yesterday?
5. He wasn't typing a letter when his boss went into the room
Was he typing a letter when his boss went into the room?
BT2:
1. was walking
2. was attending
3. was standing
4. was riding
5. were living
6. was walking
7. was going
8. was studying - rang
9. were dancing
10. were sitting.
