Question

1. He was jumping/jumped off the train while it moved / was moving
What did your neighbour do/was your neighbour doing when you knocked/were knocking at the door?
When I arrived/was arriving at school this morning, the bell rang/was ringing and the students went/were going to their classrooms. 4. What did yourdo/were you doing when the light went out / was going out an hour ago?
5. Did they sleep/Were they sleeping when the fire broke/was breaking out?
6. While I went/was walking in the park I lost/was losing my keys.
7. I was reading /read a detective story while Jenny was playing/played the piano.
8. I rode / was riding my bicycle when suddenly a man stepped / was stepping out into the street. ​

Answer 1

1. Jumped - moved

2. Was - Knocked

3. I arrived - Rang - went

4. Were - Was

5. Did they sleep - broke

6. Went - Lost

7. Read - played

8. Rode - Stopped