Поставьте предложения в вопросительную и отрицательную форму He is an operator They are locomotive drivers You are a mechanic
Is he an operator? He isn't an operator. Are they locomotive drivers? They aren't locomotive drivers. Are you a mechanic? They aren't a mechanic.
Вопросительная форма: is he an operator, are they locomotive drivers, are you a mechanic отрицательно не знаю