1. When we arrived at the cafe, Ben was waiting for us outside. (Past Simple, Past Continuous.) 2. It was raining when we went out. (Past Continuous, Past Simple.) 3. While we were driving home, we saw an accident. (Past Continuous, Past Simple.) 4. The students were chatting when the teacher came in. (Past Continuous, Past Simple.) 5. I was reading a book when the telephone rang. (Past Continuous, Past Simple.) 6. The lights went off while Jane was watching a film. (Past Simple, Past Continuous.) 7. He was eating the pizza when he found a hair on it. (Past Continuous, Past Simple.)