1. Change the following sentences, active to passive or passive to active.

1. They make BMW cars in Germany.BMW cars ____________________ in Germany.

2. They ________________ rice in China.Rice is grown in China.

3. Bell invented the telephone in 1876.The telephone ______________________ by Bell in 1876.

4. Thieves _______________ two pictures from the museum last night.Two pictures were stolen from the museum last night.

5. They have built three new factories this year.Three new factories ______________________________ this year.

6. They ___________________________ the picture for 3000$.The picture has been sold for 3000$.

7. The factory will produce 10000 cars next year.10000 cars _________________________ next year.

8. Bell didn't invent the television.The television ______________________ by Bell.

9. The police are chasing the thieves.The thieves _______________________________ by the police.

10. Jennifer was cleaning the windows for two hours.The windows ___________________________ for two hours.

2. Turn these active sentences into passive voice.

1. They're increasing the rents. ____________________________________________________

2. People use this footpath every day. ______________________________________________

3. The porters had locked the gates at 9.00 pm. _______________________________________

4. Someone took my purse. _______________________________________________________

5. People discovered gold in California. ______________________________________________

6. Someone shot president Kennedy in 1963. _________________________________________

3. Change the following into passive:

1. People advise us not to go out alone.2. Anna can't use her office at the moment.

3. They have postponed the concert due to heavy rain.4. They are building a new road round the city.5. He isn't playing football now. He is listening to music.6. How do people learn language?7. The snow will cover the houses as soon as the winter somes to

our city.8. They hadn't done their homework when their mum came.9. Emma sang a beautiful song yesterday.10. Emma isn't singing the song right now.11. He'll push the button.12. He won't push the button.

4. Change the following into active:

1. Most of the Earth is covered by snow.2. Five hundred people were employed by this company.3. An accident was seen by me last night.4. His book will not be shown to you by him.5. My camera had been stolen by a thief before I returned to the

bus.

5. Put the following sentences into the passive:

1. They use computers very often.Computers ________________________________________________________

2. Somebody left the suitcase in the hotel.The suitcase _______________________________________________________

3. Leonardo DiCaprio will make a new film next year.A new film ________________________________________________________

4. They produce a lot of coffee in Brazil.A lot of coffee _____________________________________________________