1. It was raining at noon.
Was it raining at noon?
It wasn't raining at noon.
2. I was on holiday in Bulgaria two weeks ago.
Was I on holiday in Bulgaria two weeks ago?
I wasn't on holiday in Bulgaria two weeks ago.
3. I saw a lion in the zoo yesterday.
Did I see a lion in the zoo yesterday?
I didn't see a lion in the zoo yesterday.
4. I was on swimming two years ago.
Was I on swimming two years ago?
I wasn't on swimming two years ago.
5. Sam was working in the garden all day.
Was Sam working in the garden all day?
Sam wasn't working in the garden all day.
6. I was reading all day yesterday.
Was I reading all day yesterday?
I wasn't reading all day yesterday.
7. She was sitting in the library from 2 till 6 yesterday.
Was she sitting in the library from 2 till 6 yesterday?
She wasn't sitting in the library from 2 till 6 yesterday.
8. They were listening to music when my mother came.
Were they were listening to music when my mother came?
They weren't listening to music when my mother came.