1. I was eating when the postman arrived
2. I was just going out when Laura shouted my name
3. I was visiting the museum when i met my best friend
4. While i was crossing the street, i saw your sister.
5. While Susan was wathcing TV, someone knocked at the door
6. Diana and her husband were walking, when it started to rain.
7. My friend called me while i was sleeping
8. My father was washing his car when my mom came home
9. While Doris was helping his mom, he broke a glass
10. The boy was running when he fell and hurt his leg.
