I liked to play yesterday.
I didn't like to play yesterday.
I carried many books for the class.
I didn't carry many books for the class.
My sister helped me at school.
My sister didn't help me at school.
She raised a family.
She didn't raise a family.
I wanted to eat chocolate.
I didn't want to eat chocolate.
I lived on the farm two years ago.
I didn't live on the farm two years ago.
He cleaned up the room.
I didn't clean up the room.
In the past people travelled by bus.
In the past people didn't travel by bus.
My mom worked in a shop.
My mom didn't work in a shop.
People watched colour TV.
People didn't watch colour TV.
She married my brother last year.
She didn't marry my brother last year.
I stopped the car to drink water.
I didn't stop the car to drink water.