Unit12 Life is full of the unexpected Section A 1a-2c 课件 2023-2024学年人教版九年级英语全册

Unit12 Life is full of the unexpected. 人教新目标版 九年级上 Section A 1a-2c 通过本课的学习，学生能够： ①获取对话中Mary早晨发生的各种意外事件，完成课本习题。 ②掌握重点的词汇和表达，了解过去完成时的含义。 ③运用相关的语言表达，如一般过去时、过去完成时等，叙述过去发生的一件事。 Learning Goals What happened to him? lost the key the bike didn't work the earthquake happened fell off the bike Life is full of the unexpected. Do you remember any unexpected situation in your daily life? What happened to you? Lead-in 过去 I went to the cinema. The movie began. 过去的过去 now By the time I went to cinema, the movie had begun. by the time 到……的时候，在……以前 先发生 过去完成时 后发生 一般过去时 begin ---began ---begun The Past Perfect Tense ( 过去完成时 had done ) now 8:20 A.M 8:00 A.M The teacher started teaching in the classroom. She got into the classroom. By the time she __________________, the teacher _______________________ . got into theclassroom had started teaching cooked dinner When I got home, I found my mother ______________________________. had already cooked the dinner Have a try When I _______up, he ____already_________ his meal. 当我起床时，他已经吃好了。 get ate gotten has had eaten got Practice By the time he ________there, the bus_______ ______. 在他到达那里之前，公共汽车已经离开了。 get left got has had leave got (1) 构成：由“助动词had(用于各种人称和数) + 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。 The Past Perfect Tense过去完成时 (3) 它所表示动作发生的时间是“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 等引导的时间状语从句来表示。 ③ 还可以通过状语从句或通过上下文暗示。 巩固练习: 1. By the time I ____ ( get) home ,my father _____ ____( sleep). 2. By the time I ___(get) to the office , my boss ____ _____(leave). had slept got got had left 3.When I got to school, I reali