1. they were cleaning (clean) the windows when it started (start) to rain.cleaning the windows was the longer action.2. as he (drive) to work, he (remember) that his briefcase was still at home.3. melanie (cook) dinner when her husband (come) home.4. i (hear) a loud crash as i (sit) in the garden.5. she (type) a letter when her boss (arrive).6. while the dog (dig) in the garden, it (find) a bone.7. mary (ride) her bicycle when she (notice) the tiny kitten.8. while i (do) my homework, the phone (ring).

1. They were cleaning the windows when it started to rain. Cleaning the windows was the longer action.
2. As he was driving to work, he remembered that his briefcase was still at home.
3. Melaniewas cooking dinner when her husband came home.
4. I heard a loud crash as I was sitting in the garden.
5. She was typing a letter when her boss arrived.
6. While the dog was digging in the garden, it found) a bone.
7. Marywas  riding her bicycle when she noticed the tiny kitten.
8. While I was doing my homework, the phone rang.