Ответ:

1) Larry had left his office by the time it started raining.

2) Bobby had got on a bus by the time it started raining.

3) Mr Newman had come into the shop by the time it started raining.

4) The Tremblakes had finished supper by the time it started raining.

5) Jane had sent an e-mail to her friend by the time it started raining.

6) Kimzy had bought a new swimsuit by the time it started raining.

7) Mrs Mole had started working in the garden by the time it started raining.

8) Sharon had cleaned the windows by the time it started raining.

9) Rose had driven her friend home by the time it started raining.

10) The Wilsons had spent an hour in the park by the time it started raining.

Перевод: Все действия произошли до того, как начался дождь.