Mary was in London last month Общий: Was Mary in London last month? Специальный: Where was Mary last month? Альтернативный: Was Mary in London last month or last week? Разделительный: Mary was in London last month, wasn't she? К подлежащему: Who was in London last month?
Общий: Was Mary in London last month?
Специальный: Where was Mary last month?
Альтернативный: Was Mary in London last month or last week?
Разделительный: Mary was in London last month, wasn't she?
К подлежащему: Who was in London last month?