Сделать вопросительные и отрицательные предложения :
1. She had been cooking for an hour when I came.
2. Her eyes were red. I saw she had eyring
3. We had been traveling for a week when the ear broke down
4. They had been building their own house for the last 2 year and it was almost ready when we met
5. She had been sleeping for three hours when we returned