We use the past perfect continuous tense to show that an action started in the past and continued up until another time in the past.

我们用过去完成进行时态来形容一个在过去开始的行动，这个行动持续到过去的另一个时间。

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There are three kinds of shapes of the tenses in the Utopia Novels of the later Qing Dynasty: the future past tense, the future perfect tense and the future continuous tense.

晚清的乌托邦小说在时间构形上通常表现为“将来过去时”、“将来完成时”和“将来进行时”等三种不同面相。

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The second function of the present perfect continuous tense is to talk about an action that started in the past and it is still happening.

第二种：谈论一个起始于过去，但是现在仍在发生的动作。

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