| 单词 | past perfect |
| 释义 | past per·fect /ˌ· ˈ··/n the past perfect the tense of a verb that shows that an action was completed before another event or time in the past. in the sentence 'i had finished my breakfast before rick called', 'had finished' is in the past perfect. 过去完成式［用于表示某一动作在另一过去发生的事件或时间之前已经完成。在 i had finished my breakfast before rick called 一句中，had finished 是过去完成式］ |
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