Not much ......................(know) about this subject
is known
This photo............(take) by my grandfather when I was 5
was taken
Do the passive of: Alexander Fleming discovered penicillin
Penicillin was discovered by Alexander Fleming
Passive of: Rafa Nadal didn't win the match
The match wasn't won by Rafa Nadal
Passive of: Robots made that car
That car was made by robots
Pasive of: Did Suzanne Collins write the Hunger Games books?
Were the Hunger Games books written by Suzanne Collins
Passive of: Peter Jacson directed the Hobbit films
The Hobbit films were directed by Peter Jacson
The first desktop computers..............(develop) in the late 1970s.
were developed
Millions of mobile phones .........(sell) every year
are sold
Most crimes..........(commit) in big cities
are commited
