9. People don’t learn English in short time.
=> English wasn't learn in short time
10. People say that inflation is getting out of control.
=> Inflation is said to be out of control
11. No one told me the truth.
=> The truth wasn't told to me
12. Have they changed the window of the laboratory?
=> Has the window of the laboratory been changed?
13. Did anyone call an ambulance after the accident?
=>Was an ambulance called after the accident?
14. My father had the engineer fix his car.
=> My father had this car been fixed (by the engineer)
15. They get the typist to type all their letters.
=> They get all the letters typed (by the typist)
16. Thomas Edison invented the photograph in 1877.
=> The photograh was invented in 1877 (by Thomas Edision)