1.
1. Peter had a tape recorder.
2. I was a student.
3. You was an engineer.
4. We went to the cinema.
2.
1. The children didn't go to bed at 10 o'clock.
2. My father didn't read books.
3. Ann didn't help her mother.
3.
1. Did the children go to bed at 10 o'clock?
2 Did my father read books?
3 Did Ann help her mother?
