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past perfect tense 释义 过去完成时:指在另一个过去行动之前就已经完成了的一个事件。 例句 1·Learn to express something with Past Perfect Tense . 学习使用过去完成时态。 2·The present and past perfect tenses both belong to the perfect tense . 现在完成时和过去完成时都属于完成时态。 3·'I have eaten' is the present perfect tense of the verb 'to eat', 'I had eaten' is the past perfect and 'I will have eaten' is the future perfect. I have eaten是动词eat的现在完成时;I had eaten是过去完成时;I will have eaten是将来完成时。 《牛津词典》
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