Transform the following sentences into the passive form

1) They cleaned the car last week.

2) They haven't arrested the murderer.

3) They hunt grouse in Scotland.

4) Edison discovered the secret of electricity.

5) The dictator imprisoned the opposants.

6) The French invaded Egypt.

7) The government has voted a new constitution.

8) The home team lost the match.

9) The Indians have sang this song for centuries.

10) The orchestra will give a concert for Christmas.