1. I was having lunch, when he slept.
2. I was going to home, when I met my friends.
3. I was taking a shower, when he called me.
4. He was watсhing TV, when I was cooking dinner.
5. I was doing my homework, when he was playing computer games.
6. They was having breakfast, when I left.
7. I was walking home, when my mom called.
8. I was reading a book, while mom was making dinner.