Переведите в пассивный залог, 1.they had built the museum by 1997 2.jhon had cleaned the windows by the evening 3.we had done the quizzes by summer 4.the company had sent my brother to europe by august 5.she has painted the picture by the exhibition

1. The museum had been built by 1997.
2. By the evening the windows had been cleaned by John.
3. By summer the quizzes had been done.
4. By August my brother had been sent by the company to Europe.
5. By the exhibition the picture has been painted by her.

1) the museum had been built in 1997 by them
2) The window had been cleaned by John in the evening.
3) The quizzes had been done in Summer by us.
4) my brother had been send to Europe in August by the company.
5) The picture had been painted by her at the exhibition.