This building was reconstructed five years ago.Помогите написать отрицательную форму,а также 5 типов вопросов

Отрицательная форма:
This building wasn't reconstructed five years ago.

Общий вопрос:
Was this building reconstructed five years ago?

Разделительный:
This building was reconstructed five years ago, wasn't it?

Специальный:
When was this building reconstructed?

Альтернативный:
Was this building reconstructed five years ago or six years ago?

Вопрос к подлежащему:
What was reconstructed five years ago?