1. A man was walking around the room.
2. Last year, I was often calling my grandma.
3. The weather was bad.
4. I was visiting my ill neighbor.
5. I was learning how to rollerskate for a month.
6. When I was going on holiday my dog died.
7. Two weeks ago, I wrote the exam.
8. When I was writing the exam, my pen fell out.
9. When my pen fell out, I realized that I don't know anything.
10. When I picked up the pen, I remembered everything.
