Помогите пожалуйста мне срочно надобно

Даже не знаю, бред какой-то

1. When I got to the party the rain had already begun.
2. had just finished // phoned
3. had completed
4. ran//saw //had ruined
5. opened // had covered
6. hadn't bought
7. met // had already done
8. had washed
9. couldn't // had mentioned
10. started // had returned