2. When Robert finished writing his essay, he went out with his friends.
3. I walked into the classroom while she was having a conversion with her teacher.
4. I used to see Gill more often.
5. Brenda felt sick because she had eaten three bars of chocolate.
6. We were both very busy yesterday evening: I was doing my Maths homework while Joanna was ironing.
7. The Perkins didn't use to be rich.
8. When I was a child, I used to go to the swimming pool every Saturday.
9. When Monica finally arrived home, everybody had already been sleeping.
10. After Robin had changed her clothes, she went running.
