1. The teacher did not explain a new rule.
Did the teacher explain a new rule?
2. Yesterday we did not write a dictation.
Did we write a dictation yesterday?
3. The children did not spend the whole day in the park.
Did the children spend the whole day in the park?
4. We did not reach the village before dark.
Did we reach the village before dark?
5. The student did not pass the examination successfully.
Did the student pass the examination successfully?
6. The pupils of our form did not go to the museum last week.
Did the pupils of our form go to the museum last week?
7. I did not live in Crimea last year.
Did I live in Crimea last year?
8. We did not do the work in time.
Did we do the work in time?
9. She did not tell us the truth.
Did she tell us the truth?
10. I could not speak and write English perfectly.
Could I speak and write English perfectly?
11. My friend did not learn Shakespeare's poem by heart.
Did my friend learn Shakespeare's poem by heart?
12. We did not work in the garden two days ago.
Did we work in the garden two days ago?
13. He was not my best friend.
Was he my best friend?
14. There were not flowers in her hand.
Were there flowers in her hand?