【过去完成时例句10句】过去完成时是英语中一种常用的时态，用于表示在过去某一时间或动作之前已经发生的事情。它常与一般过去时搭配使用，帮助我们更清晰地表达事件发生的先后顺序。以下是对过去完成时的简要总结，并附上10个典型例句供参考。
一、过去完成时总结
过去完成时的结构为：had + 过去分词（V-ed）
它主要用于描述在过去的某个时间点之前已经完成的动作，强调“过去的过去”。常见的时间状语有：before, by the time, when, after, until, already, just, never, ever 等。
二、过去完成时例句表格
| 序号 | 英文例句 | 中文翻译 |
| 1 | She had finished her homework before she went to bed. | 她睡觉前已经完成了作业。 |
| 2 | They had left the house by the time we arrived. | 我们到达时他们已经离开了房子。 |
| 3 | He had not met her before he moved to New York. | 他搬到纽约之前从未见过她。 |
| 4 | I had already eaten when they called me. | 他们打电话给我时我早已吃过了。 |
| 5 | By the end of last year, we had completed the project. | 到去年年底，我们已经完成了这个项目。 |
| 6 | She said she had lost her key. | 她说她丢了自己的钥匙。 |
| 7 | The train had already left when we got to the station. | 我们到达车站时火车已经开走了。 |
| 8 | He had studied English for five years before he went abroad. | 他出国前已经学了五年英语。 |
| 9 | We had not seen each other for a long time. | 我们很久没有见面了。 |
| 10 | They had just gone out when the phone rang. | 电话响的时候他们刚刚出门。 |
通过这些例句，我们可以更好地理解过去完成时的用法和语境。在实际写作或口语中，合理运用过去完成时可以帮助我们更准确地表达时间关系，使语言更加自然流畅。
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