新人教版九年级下册英语 unit12 全套课件.pptx

新人教版初中英语课件九年级下册Unit 12Life is full of the unexpected.Section A 1a-2b学习目标 Key words phrases: unexpected，backpack，oversleep，give…a lift，by the time (that) Key sentences: 1. By the time I got up，my brother had already gotten in the shower. 2. When I got home，I realized I had left my keys in the backpack.Warming upDo you remember any unexpected situation in your daily life?What do you think of the people in these pictures? What happened to the boy?He is getting an electric shock.He broke his arm.Life is full of the unexpected.I was late for work today. When I got up, I found my clock had rung. It was 7:30. When I went out, I found the bus had already left. 1aLook at the pictures. What happened to the girl?Tell a storyShe got up late. She overslept.oversleep (overslept, overslept)v. 睡过头；睡得太久复合词中的over常有“过于……”之意Don’t oversleep, Dean! You are to be late.迪恩，别睡过头了！你要迟到了。在……以前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. …. n. 背包；旅行包1bListen to Mary talking about her morning. plete the sentences.had1. 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.gottenhadlefthadleft过去完成时(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。(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 eaten your meal. 当我到达那里时，你已经开始吃了。By the time he got here, the bus had left. 在他到达那里之前，汽车已经离开了。1cPracticeTake turns being Mary. Look at the pictures and talk about what happened this morning. What happened?I overslept. By the time I got up, my brother had already gotten in the shower.Oh, what a pain!So, after he got out of the shower, I took a