1. She is being helped with the housework by someone.
10. I was robbed by a pickpocket.
11. A parcel was sent to Mrs Green by the mail-order company.
12. The child is being chased by a dog.
13. An invitation was sent to me by my friend.
14. A new barn is being built by the farmer.
15. Some letters have been given to Mrs Jones by the secretary.
16. A ticket for illegal parking had already been given to him by the traffic warden.
17. Our door had been broken down by someone.