1. By the time Sam packed his bag, the taxi had arrived.2. They had finished writing a dictation when the bell rang.3. When I left home, it had started to rain.4. Max had walked the dog before she did her homework.5. The children had had supper before their parents came home.6. By the time the waiter brought the pizza, Tom had come into the café.7. When the film began, she had already entered the room.8. Jack ate the banana after he had bought it.Чи можно дякую?