Возможно, предложения можно составить таким образом:
1. When I went out into the garden, the sun was shining.
2. I was eating ice cream when you met me in the park yesterday.
3. When I came home, Tom was speaking over the phone.
4. Somebody got into the room when we were sleeping.
5. He saw Jane when she was crossing the street.
6. He was waiting for Jenny when it started raining.