(
课件网) 2. Whose birthday is it Unit 12 Life is full of the unexpected. Section A (Grammar Focus-4b) 新目标 英语（九年级） 2. Whose birthday is it 语言 能力 学习 能力 思维 品质 文化 意识 1 2 3 4 学习目标 学习本课新词汇:cream，workday，show up, bean, market, by the end of 掌握句型： By the time I arrived at the party, everyone else had already shown up. When she arrived at the movie theater, she remembered she had forgotten to feed her dog. 能够在听说活动中获取并表达有关突发事件的信息,培养学生积极向上的心态和良好的心理素质。 通过观察讨论归纳，能够根据不同语境选择正确的词组，提高思维的批判性和逻辑性。 通过翻译Grammar focus 中的句子，完成句子，探究过去完成时的概念，用法和结构。 What happened to her When she got to school, she realized that she had left her backpack at home. By the time she got up, her brother had already gotten in the shower. By the time she got outside, the bus had already left. 9 By the time she walked into class, the teacher had started teaching already. Review Have you ever been late for school The bell rang. 8:00 A.M She got to school. 8:15 A.M present By the time _____, the bell _____. she got to school had rung 8:22 A.M. 8:20 A.M present The teacher started teaching already. She got into the classroom. When she_____, the teacher _____ already. got into the classroom had started teaching 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. Grammar Focus 由when, by the time, before等引导时间状语从句时，若描述发生在过去的事，主句常用过去完成时(had + 过去分词)表示动作发生在过去的过去。 When I woke up，it had stopped raining. 我醒来时，雨已经停了。 By the end of last year, she had worked in the factory for twenty years. 到去年年底，她已经在这家工厂工作20年了。 过去完成时表示某一动作或状态在过去某一时间或动作之前已经发生或完成，也可以指过去的动作延续到过去的某一时刻，它表示发生的时间是“过去的过去”。 过去完成时的用法 过去的过去 过去某时 现在 将来 过去完成时 概念 (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＋…？ 句式 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 ④when + 过去的时间点。 When I got to school, I realized I had left my at home. 判定方法 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 ... ...
