Придумайте 5 предложений в Активном залоге и в Пассивном

Пассивный залог: When was the work done?  Has the work been done? The work was not done last week.  The work will not done tomorrow. All observations were made by a team of famous scientists. We were asked to come as early as possible. Активный залог: They often join me at the meetings. Our relatives presented us with a bouquet of flowers. They built this museum a century ago. This museum was built a century ago. When was this museum built?