1) His files weren`t found by him.
2) The whole room wasn't painted by me.
3) His car was washed on Sunday by him.
4) The old clock was repaired by my grandfather.
5) A lot of photos were taken by John at the party.
6) The window was broken by Richard.
7) The case was solved by the detective.
8) My bed wasn`t made by me this morning.
9) The tickets were bought yesterday by them.
10) The children were driven to school by the Smith.
11) His wallet was stolen by someone.
12) These pyramids were built by slaves.