2. by the time 直到…时候 

指从过去某一点到从句所示的时间为止的一段时间  如：

By the time we got to his house, he had finished supper.

在我们到达他就已经吃完了晚饭。

    4)He said he _________(be)a teacher since 2000.

  (1) 构成：由助动词had + 过去分词 构成

           否定式：had not + 过去分词   缩写形式：hadn’t

  (2) 用法  过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。

  (3) 它所表示的时间是“过去的过去”。

①表示过去某一时间可用by, before 等构成的短语来表示

②也可以用when, before, after 等引导的时间状语从句来表示

    ③还可以通过宾语从句或通过上下文暗示。

When I got there, you had already eaten you meal.当我到达那里时,你已经开始吃了。

By the time he got here, the bus had left. 到他到达这里时，汽车已经离开了

We had finished cleaning the room by ten testerday.(by+过去点时间)

Exx: 1) By the time the firemen arrived,the big fire_____(put)out.

    2)He_______(go)to work after he ______(take)a shower.

    3)When I got to the theatre, the film ________(已开始)10 minutes.

1. 过去完成时

75.want to do sth想做某事            76.lose both A and B  失去A和B 

73.invit sb onto one's show   邀请sb上sb的节目       74.be thrilled非常兴奋

71.across the country整个城市    72.TV star电视明星         

70.run to the local supermarket 跑去当地的超市

68.no more  不再         69.stop doing sth停止做某事                 

66.across the whole country遍及整个城市  67.in England在英格兰