初三英语过去完成时态，帮我写5个句子。

1, I had finished my homework before dinner.
2, By the end of las year Henry had collected more than a hundred stamps
3, When we got there the basketball match had begun
4, The roads were full of people. We hadn't foreseen that.

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.

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