Поставьте следующие предложения в отрицательную и вопросительную форму. 1)they discussed the terms of delivery with them last week. 2)they received this flat five years ago. 3)she bought this computer last sunday. 4)his son went to the nursery school last year. 5)the director of the factory was at our office yesterday. 6)he spoke at the meeting about it. 7)they came home at aquarter to eleven. 8)i sent her a letter the other day

1)They didn't discuss the terms of delivery with them last week.
Did they discuss the terms of delivery with them last week?
2)They didn't receive this flat five years ago.
Did they receive this flat five years ago?
3)She didn't buy this computer last Sunday.
Did she buy this computer last Sunday?
4)His son didn't go to the nursery school last year.
Did his son go to the nursery school last year?
5)The director of the factory didn't be at our office yesterday.
Did the director of the factory be ar our...?
6)He didn't speak at the meeting about it.
Did he speak at meting about it?
7)They didn't come home at aquarter to eleven.
Did they come home at...
8)I didn't send her a letter the other day.
Did I send her a letter ...