6.

1.When the bell rang the children had run into the classroom and took their seats.

2. When I opened the door, the lesson  began and the teacher was  explaining something to the class  

3.Before we  took the boy to the theatre he  had never   seen a play.

4.I  was  cleaning  the carpet when the dog came and  shook himself

5.By the time we had  arrived the party had  already finished

6.What were you doing when I called you? I was cooking

7. When I got to the playgroung my frirnd had already left so I didn't see him that day.

8. We had a good long holiday after we had done all the work.

12. 

Леди и джентьмены

Честность

Милиция

Рассказчик

Образованный

Дальнее

Отдаленная

Верхом на лошади

Шанс