【过去完成时练习题答案】在过去完成时的学习过程中，学生常常会遇到一些容易混淆的用法和结构。为了帮助大家更好地掌握这一语法点，以下是一些常见的练习题及其答案总结，以表格形式呈现，便于查阅和复习。
一、过去完成时基本结构
过去完成时由 “had + 过去分词” 构成，用于表示在过去某一时间或动作之前已经发生的事情。
二、练习题及答案汇总表
| 题号 | 题目 | 正确答案 |
| 1 | I ___ the book before I went to bed. (read) | had read |
| 2 | She ___ her homework when her mother called. (do) | had done |
| 3 | They ___ the train by the time we arrived. (miss) | had missed |
| 4 | He ___ his keys when he left the house. (lose) | had lost |
| 5 | We ___ dinner when the phone rang. (have) | had had |
| 6 | By the time we got there, the movie ___ already. (start) | had started |
| 7 | She ___ to Paris three times before she moved there. (go) | had gone |
| 8 | The children ___ their toys before they went to school. (put away) | had put away |
| 9 | I ___ my bag before I left the house. (pack) | had packed |
| 10 | He ___ the job before he applied for it. (get) | had got |
三、使用说明与注意事项
1. 时间状语：过去完成时常与 "by the time", "before", "after", "when" 等连用，表示两个过去动作的先后顺序。
2. 逻辑关系：过去完成时表示“过去的过去”，即一个动作发生在另一个过去动作之前。
3. 常见错误：
- 混淆一般过去时和过去完成时，例如误将 “I read the book” 写成 “I had read the book” 而没有明确的时间对比。
- 忽略过去分词的变化规则，如 “go → gone”，“write → written”。
通过以上练习题的回顾与总结，可以更清晰地理解过去完成时的使用场景和结构。建议在实际写作中多加运用，结合具体语境来巩固这一语法点。
