我到那儿的时候，音乐会已经开始了。

　　By the end of 2015, he had collected more than a thousand foreign stamps.

　　到2015年底，他已经收集了1000多枚外国邮票。

　　(2)过去完成时表示发生在过去某个动作或时刻之前的动作一直延续到过去的另一个时间，常与for, since等词连用。

　　I had been at the bus stop for 20 minutes when a bus finally came.

　　我在车站等了20分钟才来了辆公交车。

　　3. 过去完成时在几个重点句型中的应用

　　(1)在no sooner...than, hardly...when句型中，主句用过去完成时。

　　I had no sooner finished my homework than the light went out.

　　我刚做完家庭作业，灯就灭了。

　　I had hardly got home when it began to rain.

　　我一到家，天就开始下雨了。

　　(2)在"It was the first/second/...time that..."句型中，that从句的谓语动词用过去完成时。

　　It was the first time that I had seen the film.

　　这是我第一次看那部电影。

　　(3)表示"意愿、打算"的动词如hope, mean, want, think, expect, plan, intend等的过去完成时表示"原本......(但事实上并没有......)"之意。

　　They had planned to see us off at the airport.

　　他们本打算去机场给我们送行的。

　　They had wanted to help but couldn't get here in time.

　　他们本来想要来帮忙的，但未能及时赶到。

　　Ⅰ.单句语法填空

　　1. he comes tomorrow, I shall ask where he has been.

　　2. he was speaking, everybody listened carefully.

　　3. I will tell him he comes back.

　　4. -How was the weather then?

-I had hardly stepped off the plane it started to rain.