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课件网) Unit7 Life is full of the unexpected. Section A GF-4C 情 境 导 入 Lead-in Let’s learn more about Past Perfect Tense 新 课 探 究 While-reading Grammar Focus When I got to school, I realized that I had left my backpack at home. By the time I got back to school, the bell had rung. Before I got to the bus stop, the bus had already left. I was about to go up to my office when I decided to get a coffee first. As I was waiting in line with the other office workers, I heard a loud sound. Read the sentences and find out the Past perfect tense 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 过去完成时由“助动词had (用于各种人称和数) + 过去分词”构成，表示某动作或状态在过去某一时间或动作之前已经发生或完成，它表示动作发生的时间是“过去的过去”。 过去的过去 过去某时 现在 将来 过去完成时 从过去之前的某个时间点到过去的某个时间点为止 （先发生） （后发生） Concept and forms 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 When I got to school, I realized that I had left my backpack at home. By the time I got back to school, the bell had rung. Before I got to the bus stop, the bus had already left. I was about to go up to my office when I decided to get a coffee first. As I was waiting in line with the other office workers, I heard a loud sound. 2.主句为过去完成时，从句是一般过去时，主句动作发生在从句之前。 1.两个动作同时进行，主从句都是一般过去时或过去进行时。 Concept and forms 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 (1) 肯定句：主语 + had + 过去分词 + 其他. (2) 否定句：主语 + hadn’t + 过去分词 + 其他. (3) 一般疑问句：Had+ 主语 + 过去分词 + 其他 肯定回答：Yes, 主语 + had. 否定回答：No, 主语 + hadn’t. (4)特殊疑问句：疑问词＋had ＋主语＋过去分词＋…？ Structure of setence 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 1.由时间状语来判定 ① by+过去的时间点 She had finished reading the book by 9 o’clock yesterday. ② by the end of+过去的时间点 We had completed all the work by the end of last month. ③ before + 过去的时间点。 The movie had started before I arrived at the cinema. 一般过去，后发生 过去的过去，先发生 Judgement method had done ④when + 过去的时间点。 When I got to school, I realized I had left my at home. 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 2.由“过去的过去”来判定 ①含有宾语从句的复合句中：当主句为一般过 去时，且从句的动作先于主句的动作发生时， 从句要用过去完成时。如在told，said， knew，heard，thought等动词后的宾语从句中。 She said that she had seen the film before. 看电影是在她说之前做的。 Judgement method had done 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 2.由“过去的过去”来判定 ②含有状语从句的复合句中，主、从句的动作发生有先后关系，动作在前的要用过去完成时，动作在后的要用一般过去时。 When I got to the station, the train had already left. 火车离开发生在我到达车站之前。 Judgement method had done 单击此处添加标题文本内容 新课探究 情境导入 课堂小结 2.由“过去的过去”来判定 ③表示意向的动词，如hope，wish，expect， think，intend，mean，su ... ...
