2. When Robert finished writing his essay, he went out with his friends
3. I walked into the classroom while she was talking with the 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 bse yesterday evening: I was doing my Maths homework while Joanna was ironing
7. The Perkins didn't use to be very rich
2. When Robert finished writing his essay, he went out with his friends
3. I walked into the classroom while she was talking with the 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 bse yesterday evening: I was doing my Maths homework while Joanna was ironing
7. The Perkins didn't use to be very rich