1) The door was locked by somebody
2) This book will be translated next year (by them)
3) My mother was told about it by my friend
4) It will be not forgotten very soon (by people)
5) The problem is being discussed by the students
6) Leo Tolstoy wrote the novel
7) Do they make the shampagne in France?
8) My brother didn't give me a tape recorder
9) Somebody stole my wallet from my pocket
10) His behaviour shocked me