1. The concert finished at 7 o'clock.
The concert didn't finish at 7 o'clock.
Did the concert finish at 7 o'clock?
2. He planned to go to the party yesterday.
He didn't plan to go to the party yesterday.
Did he plan to go to the party yesterday?
3. We sang a song on the party last night.
We didn't sing a song on the party last night.
Did we sing a song on the party last night?
4. I forgot to call her yesterday.
I didn't forget to call her yesterday.
Did I forget to call her yesterday?
5. She drove a car last month.
She didn't drive a car last month.
Did she drive a car last month?