1. they had ridden their bikes before they met their friends
2. After Sofie had finished her work, she went to lunch
3. I washed the floor when painter had gone
4. I didn't say anything until she had finished talking
5 Before the meeting was over, she had left the room
6 By the time he phoned her, she had found someone new
7 Everyone had gone home by the time Doris got to the party
8 Nobody came to the meeting because Angela had forgotten to tell about it
9 The blue car crossed the street after the lights had turned red
10 After Joanna had finished her presentation, we asked our questions