They built this concert hall a year ago. the window was opened by my sister. their team lost the game yesterday. my mother will make a cake tomorrow. this lady invited many guests for her birthday party. the teacher asked tom and gave him a bad mark. the film was shown last saturday. измените залог, в котором стоят предложения, на действительный или страдательный.

This concert hall was built by them a year ago.
My sister opened the window.
The game was lost by their team yesterday.
A cake will be done by my mother tommorow.
Many guests were invited by this lady for her birthday party.
Tom was asked by the teacher and was given a bad mark.
They showed this film yesterday.

This concert hall was built by them a year ago.
My sister opened the window.
The game was lost by their team yesterday.
A cake will be made by my mother tomorrow.
Many guests were invited by this lady for her birthday party.
Tom was asked by the teacher and given a bad mark.