Помогите пожалуйста задание выполнить).Замените в следующих предложениях действительный...

Question

Помогите пожалуйста задание выполнить).
Замените в следующих предложениях действительный залог страдательным, обращая внимание на времена группы Continuous (A), Perfect (B).
The students are taking examinations in the next room. (A)
At seven o'clock, when you telephoned, I was reading the newspaper.
They were discussing this problem when we came in.
The students had translated the text before the bell rang. (B)
She had finished her work by this time yesterday.
They will have built a new house in our street by the end of the year.

Answer 1

Examinations are being taken in the next room. 
At seven o'clock, when you telephoned, the newspaper was being read. 
The problem was being discussed when we came in. 
The text had been translated before the bell rang. 
Her work had been finished by this time yesterday. 
A new house will have been built in our street by the end of the year.