Transform the following sentences into the passive form

1) They cleaned the car last week.

The car was cleaned last week.

2) They haven't arrested the murderer.

The murderer hasn't been arrested.

3) They hunt grouse in Scotland.

Grouse are hunted in scotland

4) Edison discovered the secret of electricity.

The secret of electricity was discovered by Edison.

5) The dictator imprisoned the opposants.

The opposants were imprisoned by the dictator.

6) The French invaded Egypt.

Egypt was invaded by the French.

7) The government has voted a new constitution.

The new constitution has been voted by the government.

8) The home team lost the match.

The match was lost by the home team.

9) The Indians have sang this song for centuries.

This song has been sung by the Indians for centuries.

10) The orchestra will give a concert for Christmas.

A concert for Christmas will be given.