1. Were you riding your bike when the accident happened?
2. George was driving to work when he crashed into a car.
3. While my brother was climbing Old Mountain, it started snowing.
4. My mother was brushing her teeth when I arrived home.
5. Mr Firth was sitting under a tree when he saw a snake.
6. What were you doing in the hospital when I saw you?
7. My father was reading his newspaper when the ball hit him.
8. Who did Mary meet when she was going to school?
9. The police officer was chasing a tall woman when he slipped and fell in the middle of the street.
10. Last night at the party I was dancing while my friends were eating snacks.

Szerintem így!