1. The children ____________ (to plant) a tree when their mother ____________ (to call) them. 2. When the postman ____________

1. The children were planting a tree when their mother called them.2. When the postman arrived, my father was having a shower.3. While my brother was studying, my grandma was making some muffins.4. They were playing tennis when it began to rain.5. We went to the movies last night.6. The thieves came into the house while the man was sleeping.7. He missed the train because he was talking with some friends.8. I went to the doctor 2 days ago because I was having a terrible headache.9. Max was driving his car to work when it broke down.10. When I got up this morning, the sun was shining.