4 the book was being read for half an hour yesterday by him.
5 the newspapers are brought by the postman every morning.
6 this grammar rule should be revised by students.
7 the room had been cleaned by 3 pm yesterday by her.
8 a cake will be baked for my birthday part by my sister.
9 this work will have been finished by the time you come.
10 pictures can't be taken in this museum.
