1.He was crossing the street when I saw him.
2.I was doing my homework last night.
3.She wasn’t at home that evening.She was looking after her sick child in hospital.
4.War was going on during all those years.
5.The sun was shining when we came out.
6.He lost his pen while he was going sightseeing in the city.
7.My grandma was visiting my family half an hour ago.
8.I was traveling in the south at this time last year.
9.They were building a power station at that time.
10.She was studying at college when the was broke out.
