新概念120过去完成时研究.ppt

过去完成时 The Past Perfect Tense过去完成时 过去完成时的构成 助动词 had (用于各种人称和数) + 过去分词 When I got to school, the bell had rung. 2. 过去完成时的用法: 主要是表示在过去某个时间,或是动作之前已经发生或完成的动作.也就是过去的过去. 　 　 句子形式： 1. 肯定形式：had + 过去分词。 　　2. 否定形式：had + not + 过去分词 (had not照样可缩写hadnt)。 　　3.一般疑问形式：had提到句首 回答用Yes, 主语 + had. / No, 主语 + hadnt. 　　　　 用法： 1）表示在过去某一时刻或动作以前完成了的动作 By nine o’clock last night, we had got 200 pictures from the spaceship. 2）表示由过去的某一时刻开始，一直延续到过去另一时间的动作或状态 I had been at the bus stop for 20 minutes when a bus finally came. 3）过去完成时常常用在told,said,knew,heard,thought等动词后的宾语从句（或间接引语）中，这时从句中的动作发生在主句表示的过去的动作之前。 　 He said that he had known her well. 4）when, before, after, as soon as, till/until引导的状语从句： 在过去不同时间发生的两个动作中， 发生在前，用过去完成时；发生在后，用一般过去时。 When I woke up, it had already stopped raining. She didn’t go to bed until she had finished her work. the police get to the shop The thief run away When the police got to the shop, the thief had run away. Before the police got to the shop, the thief had run away. After the thief had run away, the police got to the shop, The police got to the shop, but the thief had run away. Liu Mei get to the theater the concert be over When Liu Mei got to the theater, the concert had been over. Before Liu Mei got to the theater, the concert had been over. After the concert had been over, Liu Mei got to the theater. his grandma come from America Li Ming grow up When his grandma came from America, Li Ming had grown up. Before his grandma came from America, Li Ming had grown up. After Li Ming had grown up, his grandma came from America, 1. We ___________(learn) two thousands words by the time I went to Middle School.  3. When we _______(arrive) at the station, they __________(wait) for more than twenty minutes.  had learned arrived had waited 2. I ___________ (know) him when I was a student. had known 4. One of the men didn’t move, because he __________ (break) his legs.  had broken 5.By yesterda