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?