1. Simple Present and Past Progressive by Sheryl Sherwin

2. When=at that moment Mr. and Mrs. Smith were dancing when the telephone rang.

3. When=after She drank some coffee when she finished her shower.

4. While=at the same time My father was cooking while I was running the vacuum.

5. When=at the moment What was Peter doing when his wife called?

6. While=at the same time What were the parents doing while the baby was crying?

7. When=after What did Robert do when he finished his breakfast?

8. When=at the moment What was Henry doing when it started to rain?

9. When=at the moment What were the newlyweds doing when Melinda took their picture?

10. While=at the same time What was Fred doing while his friends were playing?