past future perfect过去将来完成式;去将来完成时;过去将来完成时
past progressive perfect过去完成进行
The Past Future Perfect过去将来完成时;去将来完成时
past future perfect continuous过去将来完成进行式
past future perfect tense过去将来完成时;去将来完成时;过去未来完成时;详细翻译
the past future perfect tense过去将来完成时;将来完成时;去将来完成时
the past future perfect continuo过去将来完成进行时
Past Future Perfect Progressive Tense去将来完成进行时
The Past Future Perfect Continuous过去将来完成进行时
ADJ（形容词） In grammar, the past perfect tenses of a verb are the ones used to talk about things that happened before a specific time. The simple past perfect tense uses "had" and the past participle of the verb, as in "She had seen him before." It is sometimes called the . 过去完成时 [ADJ n]