Turn from Active into Passive. Omit the agent where it can be omitted and explain your...

Question

Turn from Active into Passive. Omit the agent where it can be omitted and explain your choice.
e.g.: Van Gogh painted ‘Sunflowers’ = ‘Sunflowers’ were painted by Van Gogh. (emphasis on the agent) The judge has fined him 300$ = He has been fined 300$. (obvious agent)
1. People chop down a lot of trees every year. _______________________________________________________
2. Yesterday the police found the missing person. ____________________________________________________
3. They kill elephants for ivory. __________________________________________________________________
4. The government will introduce new measures against crime. _________________________________________
5. Someone has burgled Ann’s house. _____________________________________________________________
6. Steven Spielberg has directed a lot of successful films. ______________________________________________
7. They are installing a new security system in all our offices. ___________________________________________
8. When we got, we realised that someone had burgled the house.________________________________________
9. They will have elected a new government by November 30. __________________________________________
10. My wife has already paid the hotel bill. _______________________________________________________

Answer 1

1. A lot of trees are chopped down every year by People.
2. The missing person was found yesterday by police .
3. The elephants are killed for ivory by them.
4. The new measures will be introduced against crime by government.
5. Ann's house has been burgled by someone .
6. A lot of successful films have been directed by Steven Spielberg .
7. The new security system is being installed in all our offices by them.
8. When we got , we realised that house had been burgled by someone .
9. The new government will have been elected by November 30 by them .
10. The hotel bill has already been paid by my wife .