1. I was downloading some good music when I saw a beautiful bird fly by.
2. As my teacher was explaining the new lessons, one of my colleagues asked to go to the bathroom.
3. While my father was driving home, he decided to stop and buy us flowers.
4. Last night, I was watching a thriller while my mother was cooking dinner.
5. When the doorbell rang, I was trying to solve a new maths problem.
6. At five o'clock in the evening, my friend usually goes for a run in the park.