本文目录
过去完成时是英语语法中的一种时态，用来描述在过去某个时间之前已经完成的动作或事件。下面是一些过去完成时的例题，供大家练习和参考：
例题1：
从以下三个句子中，找出一个使用了过去完成时的句子：
A. I had breakfast at 7am this morning. B. He will have finished the report by the end of this week. C. They are going to the beach tomorrow.
答案：B。句子中的“will have finished”是过去完成时，用来描述在未来某个时间之前已经完成的动作。
例题2：
将以下句子改写为过去完成时：
A. I finished my homework before I went to bed. B. They left for the airport after they had packed their bags. C. She ate dinner after she had watched TV.
答案： A. I had finished my homework before I went to bed. B. They had left for the airport after they had packed their bags. C. She had eaten dinner after she had watched TV。
例题3：
根据下面的情境，写一个使用了过去完成时的句子：
情境：你的朋友问你为什么没有参加昨天的晚会。
你的回答：我错过了昨晚的晚会，因为我已经去了另一个城市。
答案：我错过了昨晚的晚会，因为我已经去了另一个城市。
希望以上例题能够帮助大家进一步理解和掌握过去完成时的用法。记住，多练习才能够真正掌握英语语法。
