Краткое пояснение:
Чтобы действие в придаточном предложении предшествовало действию в главном, необходимо использовать форму Past Perfect.
- 1. At ten o'clock he telephoned again, saying that he (to change) .......... his mind. At ten o'clock he telephoned again, saying that he had changed his mind.
- 2. I knew that for the past twenty-five years he (to buy) .......... the same paper each morning. I knew that for the past twenty-five years he had been buying the same paper each morning.
- 3. She seemed to have forgotten what (to happen) .......... a few minutes before. She seemed to have forgotten what had happened a few minutes before.
- 4. It was not known where he (to spend) .......... his early childhood. It was not known where he had spent his early childhood.
- 5. The question was why he (to do) .......... it at all. The question was why he had done it at all.
- 6. Then he admitted that he (to live) .......... since the summer in his father's house. Then he admitted that he had been living since the summer in his father's house.
- 7. What she could not understand was why he (to tell) .......... them such a pack of lies. What she could not understand was why he had told them such a pack of lies.
- 8. She wrote that they (to let) .......... their house for a year. She wrote that they had let their house for a year.
- 9. One day she told me why she never (to get married) .......... One day she told me why she had never got married.
- 10. I wondered what she (to do) .......... there so late at night. I wondered what she had been doing there so late at night.