过去完成时态用于在另一个动作之前完成的动作 练习 用英语

过去完成时态(Past Perfect Tense)是英语语法中的一个重要时态,用于描述在另一个动作之前已经完成的动作。它通常用于讲述过去的某个时间点之前已经完成的事情,使我们能够更清晰地表达时间顺序和因果关系。例如,当你说“在他到达之前,我已经完成了作业”(I had finished my homework before he arrived),这里的“had finished”就是过去完成时态,表示在他到达之前,作业已经完成。 在学习和使用过去完成时态时,了解其结构和使用场景是非常关键的。过去完成时态的基本结构是“主语 + had + 过去分词”,其中“had”是过去助动词,“过去分词”是动词的第三形式。通常,这种时态用于描述两个过去动作中较早完成的那个,帮助我们准确地叙述事件的先后顺序。在接下来的练习中,你将有机会通过一系列的例句和练习题,进一步巩固对过去完成时态的理解和运用。

Exercise 1

<p>1. By the time she arrived, he *had left* (动词:离开).</p> <p>2. They *had finished* the project before the deadline (动词:完成).</p> <p>3. When I got to the station, the train *had departed* (动词:出发).</p> <p>4. She *had completed* her homework before the movie started (动词:完成).</p> <p>5. We *had eaten* dinner before they called us (动词:吃).</p> <p>6. The students *had submitted* their assignments by the end of the class (动词:提交).</p> <p>7. He *had already left* when I reached his house (动词:离开).</p> <p>8. By the time the show began, everyone *had taken* their seats (动词:坐).</p> <p>9. She *had read* the book before the exam (动词:读).</p> <p>10. They *had sold* the house before moving to the city (动词:卖).</p>

Exercise 2

<p>1. By the time the movie started, they *had finished* their popcorn. (完成的动作)</p> <p>2. She *had cooked* dinner before her guests arrived. (动作在客人到来之前完成)</p> <p>3. When we got to the station, the train *had already left*. (动作在我们到达之前完成)</p> <p>4. He *had studied* for the exam before he watched TV. (动作在看电视之前完成)</p> <p>5. By the time I called her, she *had gone* to bed. (动作在我打电话之前完成)</p> <p>6. We *had cleaned* the house before the party started. (动作在派对开始之前完成)</p> <p>7. They *had eaten* lunch before they went to the museum. (动作在去博物馆之前完成)</p> <p>8. By the time you arrived, I *had already left*. (动作在你到达之前完成)</p> <p>9. She *had written* three letters before noon. (动作在中午之前完成)</p> <p>10. The children *had finished* their homework before their parents came home. (动作在父母回家之前完成)</p>

Exercise 3

<p>1. By the time we arrived at the station, the train *had left*. (verb for departing)</p> <p>2. She *had finished* her homework before she went out to play. (verb for completing)</p> <p>3. They *had eaten* dinner before they watched the movie. (verb for consuming food)</p> <p>4. He *had already read* the book before the test. (verb for reading)</p> <p>5. We *had cleaned* the house before the guests arrived. (verb for making tidy)</p> <p>6. She *had written* the email before she received a reply. (verb for composing)</p> <p>7. The children *had gone* to bed before their parents returned home. (verb for movement)</p> <p>8. By the time the sun rose, the workers *had built* the fence. (verb for constructing)</p> <p>9. He *had studied* French before he moved to Paris. (verb for learning)</p> <p>10. They *had never seen* the ocean before their vacation. (verb for experiencing visually)</p>

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