过去完成进行时

(过去某时刻前)曾一直做某事: had been + 动词ing

(早晨上班前)一直吃had been eating

(当火车开动之前)曾一直跑had been running

(午饭前)曾一直睡觉had been sleeping

(考试前)曾一直唱歌had been singing songs

(到家之前)曾一直读书had been reading books

(老师到达之前)曾一直谈论关于老师的事情had been talking about the teacher

I had been walking in the street before nine.9点之前，我曾一直在路上走。

You had been doing homework before Mum came back.在妈妈回家之前，你曾一直写作业。

After I had been waiting for the bus for two hours, the bus arrived.我曾一直等公交车2小时，然后车来了。

I had been running for half an hour, and then it began to rain.我们曾一直跑了半个小时，然后下雨了。

小技巧

注意，翻译中的 曾 字的内涵，翻译时不翻译这个字也是一样的。注意这个字想要表达的内涵，只是描述了之前发生的事情.

句型转换

• They had been sleeping before they went to work. 去上班之前他们曾一直睡觉。

  • They hadn't been sleeping before they went to work.去上班之前，他们未曾一直在睡觉。

  • Had they been sleeping before they went to work?

    • Yes, they had.

    • No, they hadn't.