1. Does your brother find the key?

=> Is the key found by your brother?

2.Do you sweep the floor ?

=> Is the floor swept?

3.Can your father finish the report ?

=> Can the report be finished by your father?

4. Which horses do you prefer ?

=> Which horses are preferred by you?

5.What song do the clowns sing?

=> What song is sung by the clowns?

6.Who cleaned my room yestẻday ?

=> Who my room was cleaned by yesterday?

7.Do you steal my pencase ?

=> Is my pencase stolen by you?

8.Which animals do you like?

=> Which animals are liked by you?

9.Who broke my glasses?

=> Who were my glasses broken by?

10.Did he explain that lesson?

=> Was the lesson explained by him?