Affirmative:
She was writting with an excelent grammar.
He was cooking some pasta.
They were doing something bad.
It was being weird.
We were playing football.
Negative:
She was not doing something bad.
He was not baking cookies.
We were not drawing, we were coloring.
They were not doing the homework.
It was not behaving like a pet.
Questions:
Was him making dinner?
Were they making something illegal?
Was she cleaning the kitchen?
Was it behaving like something normal?
Were we snitching on them?
