Решение:
Подчеркнём глаголы и обозначим их время:
- 1. It was raining (PC), and I didn't have (PS) an umbrella.
- 2. I was running (PC) in the park when I fell (PS) down.
- 3. I wasn't being (PC) careful, so I couldn't sleep (PS).
- 4. I was going (PC) to the store, but it was (PS) closed.
- 5. I dropped (PS) my notes while I was running (PC) into a wall.
- 6. Someone stole (PS) my bicycle; it left (PS) without me.
- 7. I was running (PC) for the bus, but I was walking (PC) home.
- 8. I lost (PS) my phone while I was working (PC).
- 9. A fire started (PS) in my kitchen when I was making (PC) dinner.
- 10. My neighbour was playing (PC) the guitar loudly, while I was giving (PC) a talk.