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1、Unit 12 Life is full of the unexpected.Section A 1 (1a-2d)一、教学目标： 1. 语言知识目标： 1) 掌握以下单词和短语以及它们的用法：unexpected, by the time, backpack, oversleep, ring, give …a lift；2)By the time I got outside, the bus had already left. When I got to school, I realized I had left my backpack at home.3) 掌握过去完成时
2、时态，结构及用法。 2. 情感态度价值观目标： 能学会合理安排自己的学习和生活，做到守时守信。二、教学重难点 1. 教学重点：过去完成时的用法。 2. 教学难点：用过去完成时叙述过去的事件。三、教学过程 Ⅰ. Warm-up Greeting. Ⅱ. Lead-in Do you remember any unexpected situation in your daily life?展示几张尴尬的人的图片。 Ask: What do you think of the people in these pictures? Ss: They look scared/bad. T
3、: What happened to the boy? Ss: He broke his arm. He is getting an electric shock. T: I was late for work today. When I got up, I found my clock had rung. It was 7:30. By the time I went to the bathroom, my son had been in. So I had to wait. When I went out, I found my motorbike had broken do
4、wn. (讲述自己迟到的经历，激起学生对下一部分内容的学习的激情)。 Now look at the picture, let’s learn something about Tina’s bad day。 Ⅲ. Presentation 1. Work on 1a. Ask Ss to look at the pictures in 1a and ask: What happened to the girl? 2. Think and discuss in group: What happened to the girl? Possible answers: She got
5、 up late. By the time she got up, someone had already gotten in the bathroom. She rushed out the door. The bus had left before she got to the station. When she got to school, she realized she had left her backpack at home. …. 3. Ask Ss to tell a story about the girl. Ⅳ. Listening Work on 1b.
6、 1. Listen to the tape of 1b. Complete the sentences. 1. By the time I got up, my brother _____ already _______ in the shower. 2. By the time I got outside, the bus _____ already ______.3. When I got to school, I realized I _____ ______ my backpack at home. 2. 过去完成时用法： (1) 构成：由“助动词had (用于各种
7、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。 (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。 例如： When I got there, you had already
