Change the sentences from the active into the passive voice.

1. The truth was told to her by them. 2. The letter will be sent to my aunt by me. 3. She was listened to attentively by everybody. 4. Everything had been done before we came by them. 5. He has not yet been told about it by them. 6. The front door was locked by somebody. 7. An umbrella was lost here by someone. 8. The boy was punished for that by them.