I was telling about she last night
=> She was told about by me last night.
My father was watching TV when I got home
=> The television was watched by my father when I got home.
She was chatting with her friend yesterday
=> Her friend was chatted with yesterday.
We weren't playing badminton at 9 p.m yesterday
=> Badminton wasn't played by us at 9 p.m yesterday.
I wasn't making cake at 7 a.m last week
=> Cake wasn't made by me at 7 a.m last week.
She wasn't learning English at 10 a.m yesterday
English wasn't learned at 10 a.m yesterday.