Rewrite the sentence into Passive voice

1. I was taking the class at that time. 

2. He was eating dinner at 9 pm. 

3. My parents were watching that movie.

4. Jon was editing my video yesterday. 

5. Some boys were teasing your sister. 

6. They were discussing something in the class. 

7. Judy was copying the answers.

8. Everyone was hugging the kids at the party. 

9. They were not feeding the cats.