1. They had already had breakfast before they arrived at the hotel.
2. She had finished writing the composition by 10 ： this 00 morning.
3. He told me that there had been an argument between them
4. And this semester, we have learned the past tense, the past perfect tense and the future tense and so on.
5. They said that production costs had been reduced.
6. All the tickets had been sold out when they arrived.
7. We had hardly reached the school before it began to rain.
8. By the time I got to the bus stop , the bus had already left .
9. Eric died a few days ago and these years, he had lived as a recluse.
10. He died, though great efforts had been made to save his life.
11. We had learned over two thousand English words by the end of last term.
12. They had planted six hundred trees before last Wednesday.
13. Before she came to China, Grace had taught English in a middle school for about five years.
14. I had learned 1000 English words till then. 15 . They had arrived at the station by ten yesterday.
1. They had already had breakfast before they arrived at the hotel.
2. She had finished writing the composition by 10 ： this 00 morning.
3. He told me that there had been an argument between them
4. And this semester, we have learned the past tense, the past perfect tense and the future tense and so on.
5. They said that production costs had been reduced.
6. All the tickets had been sold out when they arrived.
7. We had hardly reached the school before it began to rain.
8. By the time I got to the bus stop , the bus had already left .
9. Eric died a few days ago and these years, he had lived as a recluse.
10. He died, though great efforts had been made to save his life.
11. We had learned over two thousand English words by the end of last term.
12. They had planted six hundred trees before last Wednesday.
13. Before she came to China, Grace had taught English in a middle school for about five years.
14. I had learned 1000 English words till then. 15 . They had arrived at the station by ten yesterday.