汤姆乘飞机回家，但他的父亲却已经去世了。

　　④过去完成时也用于had＋just/barely/scarcely/hardly＋done...when...，no sooner...than..., It was the first time ＋that等一些固定句型中。如：

　　He had no sooner left the room than they began to talk about him.

　　他刚离开房间，他们就议论起他来。

　　We had hardly begun when we were told to stop.

　　我们刚开始就被叫停。

　　It was the first time that he had ever spoken to me in such a tone.

　　这是他第一次用这样的语气跟我讲话。

　　(2)过去完成时与一般过去时的比较

　　①当一个由before，after，as soon as等连词引导的从句所表示的动作和主句的动作紧接着发生时，可用一般过去时来表示。如：

　　We had breakfast after we did morning exercises.

　　做完早操后，我们吃早饭。

　　The train started to move just before he reached the platform.

　　他还没到月台，火车就开走了。

　　They started ploughing as soon as they got to the fields.

　　他们一到地里就开始耕地。

　　②按时间顺序叙述两个或两个以上接连发生的动作时，用一般过去时。如：

　　He entered the room, turned on the light and sat down at the table.

　　他走进屋子，打开灯，坐在桌子旁。

　　③在表示某人未曾完成的愿望，仅限于expect, hope，plan，think等动词，常用过去完成时。如：

　　I had hoped to be back last night, but I didn't catch the train.

　　我本来希望昨晚回来的，但没赶上火车。

　　We had thought to return early but they wouldn't let us go.

　　我们本想早回来的，但他们不让我们走。

　　④在表示过去的句子中出现常与完成时态连用的词，如：already，yet，since，for，ever，never及表示次数的名词等时，常用过去完成时来表示。如：

　　When we got there the basketball match had already started.

我们到那里时，篮球赛已经开始了。