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