1. While we were learning English lesson, the light went out.
2. As soon as he finished his homework, Loe turned on the TV.
3. The last time i went to supermaket was three weeks ago.
4. When Ken arrived, Mike had left the office.
5. When you phoned Anne, she was having lunch.
6. We have been working on this project for a year.
7. by the age of twenty Maxkenzie wrote four best-seller.