1- They were reading when the phone rang.
2- My Mom started crying when she saw the accident.
3- When he arrived, I was watching TV.
4- I was having a shower when he arrived.
5- You were studying English when I phoned.
6- I was watching TV when she called.
7- Sammy was waiting for us when we got off the plane.
8- When Leonardo was drawing a deer, a mysterious young man came forth.
9- You were not listening to me when I told you to turn the oven off.
10-When the phone rang, she was writing a letter