He made pizza last night.
He didn't make pizza last night.
We played football last weekend.
We didn't play football last weekend.
I walked to school this morning.
I didn't walk to school this morning.
I did my homework.
I didn't do my homework.
He went to school by motorbike.
He didn't go to school by motorbike.
I knew that scooters were old.
I didn't know that scooters were old.
She saw her teacher yesterday.
She didn't see her teacher yesterday.
He wanted to drive.
He didn't want to drive.
Scooters became popular in 1900s.
Scooters didn't become popular in 1900s.
She watched TV last night.
She didn't watch TV last night.