Make sentences as shown in the exapmle.Each sentence has one verb in the Past continuousand one in the Past simple.
1)I/have stoll/when/I/see/the/car accident
2)When/dad/enter the room/mother/singa lullaby.
3)She/sit down/on a chair/while/he/paint/her portrait.
4)When/we/come/from the party/he/listen to/one of his records

1. I have (?) when i saw the car accident.2. When dad entered in the room, mother was singing a lullaby.3. She sit down on a chair while he was painting her portrait.4 When we came from the party, he was listening to one of the records.