Make the sentences interrogative and negative.
1. The rain had stopped before I went for a walk.
2. I had done my homework before my mother returned home.
3. We had met in the street before we went to the park.
4. They had packed their things before they started.
5. I had had dinner before I switched on the TV set.
6. Before he returned home the guests had left.
7. Before we came to the cinema the film had begun.
8. I had read the book before I saw the play. .
9. They had lived here before they moved to another place.
10.We had played а game of tennis before we went to my place