Поставьте предложение в отрицательную форму .задайте общий.альтернативный .специальный.и вопрос к подлеащему .
1.Our office is going to seel a new model of cars.
2.They know everything about computers.

общий 1. Is our office going to sell a new model of cars?альтернативный 1. Is our office is going to  sell a new model of cars or of buses?специальный. 1. Whose office is going to  sell a new model of cars?к подлежащему 1. Who is going to  sell a new model of cars?общий 2. Do they know everything about computers? альтернативный 2. They know everything about computers or about cars? специальный 2. Whot do they know?к подлежащему 2. Who knows everything about computers?