表示過去完成進行時的時間狀語

過去完成進行時的過去時間可用一個時間狀語表示，例如：
1. When I first met her, she had been working in the company for ten years. 我第一次見到她時，她在那家公司已工作十年了。

2.I had not been waiting long when a taxi drew up.
我沒等多久就來了一輛出租車。

3.She had been looking at the parcel for some time before she realized that it was for her mother.
這包裹她看了好一會兒才明白這是寄給她媽的。

4.Until/Up till then she had been living with her daughter.
到那時爲止她一直和她女兒一起住。

5.When I first met her, she had been writing books for two years.
我第一次見到她時，她已經寫書兩年了。

6.Until/Up till then she had been speaking with her boss.
到那時爲止她一直和她老闆說話。

7. I had not been staying long when my mom came in.
我沒呆多久，我媽媽就進來了。

8. My sister had not been waiting long when a bus drew up.
我妹妹沒等多久就來了一輛公交車。

9. Until/Up till then he had been plying basketball with his friends.
到那時爲止他一直和他的朋友打籃球。

10. When I first came in this house, she had been staying for three years.
我第一次進來這個房子時，她已經住了三年了。