1. While they were travelling to China, Marco was keeping a diary.

2. Mrs. White was driving past a house in Main Street when she saw the ground floor on fire.

3. While he was flying off the Miami Coast, the pilot saw sharks approaching the swimmers.

4. The fireman was fighting the fire on a balcony below when he heard someone's shouts.

5. She died while she was running after a bus.

6. We were having dinner when the electricity went off.

7. She was thinking of something else while you were talking to her.

8. I saw her while I was looking out of the window.

9. While the teacher was talking, the students were looking at an insect on the ceiling​.