Поставьте следующие предложения в вопросительную и отрицательную формы:
1. They lived in Moscow some years ago. 2. We discussed the plan at the last meeting. 3. He stayed in Kiev a month ago. 4. We worked at this office last year. 5. They went on holiday together. 6. These colours were fine. 6. They lost their way. 7. He paid for everything. 8. The students spoke English. 9. The lecturer came in half an hour. 10. We sent the telegram two days ago. 11. It took them two hours to get home

1. Did they live in Moscow some years ago?
They didn't live in Moscow some years ago.
2. Did you discuss the plan at the last meeting?
We didn't discuss the plan at the last meeting.
3. Did he stay in Kiev a month ago?
He didn't stay in Kiev a month ago.
4. Did you work at this office last year?
We didn't work at this office last year.
5. Did they go on holiday together?
They didn't go on holiday together.
6. Were these colours fine?
These colours weren't fine.
7. Did they lose their way?
They didn't lose their way.
8. Did he pay for everything?
He didn't pay for everything.
9. Did the students speak English?
The students didn't speak English.
10. Did the lecturer come in half an hour?
The lecturer didn't come in half an hour.
11. Did you send the telegram two days ago?
We didn't send the telegram two days ago.
12. Did it take them two hours to get home?
It didn't take them two hours to get home.