1. By the time I started the exercise, Holly it. 2. I the test because I hadn't studied at all. 3. Before the doorbell , my dog had already started barking. 4. When I sat at the table I realised that I hello to everyone. 5. Thee were no eggs in the fridge beause my parents the shopping. 6. Monica hadn't taken her purse with her so she for the ticket. 7. By the time we to the parade, it had already started.