They built the house in 1960. (это Past Simple)
Общий: Did they build the house in 1960?
Разделительный: They built the house in 1960, didn't they?
Альтернативный: Did they build the house in 1960 or 1980?
Специальный: What did they build in 1960?
или When did they build the house?
Вопрос к подлежащему: Who built the house in 1960?
They built the house in 1960. (это Past Simple)
Общий: Did they build the house in 1960?
Разделительный: They built the house in 1960, didn't they?
Альтернативный: Did they build the house in 1960 or 1980?
Специальный: What did they build in 1960?
или When did they build the house?
Вопрос к подлежащему: Who built the house in 1960?