Составить 5 предложений в past simple и образовать к ним отрицательную

1. My father bought a new car two months ago.
Did my father buy a new car two months ago?
My father didnt buy a new car two months ago.
2. I sent an email to my brother ten minutes ago.
Did I send an email to my brother ten minutes ago?
I didnt send an email to my brother ten minutes ago.
3. The boy wrote a dictation without mistakes.
Did the boy write a dictation without mistakes?
The boy didnt write a dictation without mistakes.
4. The children were at the zoo last weekend.
Were the children at the zoo last weekend?
The children were not at the zoo last weekend.
5. They played football after school yesterday.
Did they play football after school yesterday?
They didnt play football after school yesterday.