past perfect continuous tense

常见例句

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.
我們用過去完成進行時態來形容一個在過去開始的行動，這個行動持續到過去的另一個時間。
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.
太簡單了。我們想說那種正在進行的或者才剛剛停止的動作，就用現在完成進行時時態。
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.
晚清的烏托邦小說在時間搆形上通常表現爲“將來過去時”、“將來完成時”和“將來進行時”等三種不同麪相。