1 Ann was having breakfast at 8:25. No, Ann wasn't having breakfast at 8:25. She was driving to work.
2 Ann was driving to work at 9:00. Ann was checking her emails at 9:00.
3 Ann was checking her emails at 10:00. Ann was preparing reports at 10:00.
4 Ann was exercising at the gym at 5:30. Ann was doing the shopping with Mark at 5:30.
5 Ann was doing the shopping with Mark at 1:30. Ann was having lunch with Sue at 1:30.