Unit 12 Section A (1a-1c)（讲解课件）-【优翼·学练优】2025-2026学年九年级英语下册同步备课（人教版）

该初中英语课件聚焦九年级下册Unit 12 Section A（1a-1c），核心围绕“过去完成时”及“unexpected”“by the time...”等词汇句型展开。课堂通过视频Free Talk（熊Backkom的意外生活）和日常情境Lead in（起床晚、忘钥匙等）导入，以图片描述、听力理解、对话练习、故事复述为学习支架，帮助学生构建过去事件叙述能力。 其亮点在于情境化教学与语言实践深度融合，视频导入激活兴趣，Chain game复述故事锻炼逻辑梳理（思维品质），听力与对话任务提升语言理解表达（语言能力），预习作业培养自主学习习惯（学习能力）。学生能在真实语境中掌握语法，教师可依托结构化活动高效推进教学。

优翼英语教学课件（RJ） Go for it! 九年级（下） 1 Section A (1a-1c) Unit 12 Life is full of the unexpected. Learning Goals Key words & phrases: unexpected, by the time ..., backpack, oversleep Key sentences: 1. By the time I got up, my brother had already gotten in the shower. 2. When I got to school, I realized I had left my backpack at home. To learn how to narrate past events. Words & Expressions unexpected by the time ... backpack oversleep adj. 出乎意料的；始料不及的 在......以前 n. 背包；旅行包 v. 睡过头；睡得太久 Warming up Free Talk Do you know the bear in the video? What do you think of its life? It’s colorful, interesting, unexpected ... His life is full of the unexpected. Backkom Lead in Do you remember any unexpected situations in your daily life? get up late fall down leave the key Pre-listening 1a Look at the pictures. What happened to the girl? 1 2 3 4 5 1 By the time she got up, her brother had already gotten in the shower. 2 She got up late / overslept. By the time she got outside, the bus had already left. When she got to school, she realized that she had left her backpack at home. She had to rush to the school. 3 4 5 1b While-listening Listen to Mary talking about her morning. 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. had gotten had left had left n. 背包；旅行包 在······以前 常用于引导时间状语从句。从句若为一般过去时，主句常用过去完成时。 Boy: Hi, Mary. You look so tired. Mary: I am. I had a bad morning. Boy: Really? What happened? Mary: Well, first of all I overslept. By the time I got up, my brother had already gotten in the shower. Boy: Oh, what a pain! Mary: So, after he got out of the shower, I took a quick shower and got dressed. But by the time I went outside, the bus had already left. v.睡过头；睡得太久 Listen and read. Boy: Oh, no! Mary: Oh, yes! So I ran all the way to school. But when I got to school, I realized I had left my backpack at home. Boy: No wonder you look stressed. Post-listening 1c A:What happened? B:I overslept. By the time I got up, my brother had already gotten in the shower. Take turns being Mary. Look at the pictures and talk about what happened this morning. Chain game — Retell Mary’s story Mary’s bad morning overslept had gotten in the shower had left Mary had a bad morning yesterday. First of all... Language points 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，公共汽车已经离开了。 1. Life is full of the unexpected. unexpected adj. 出乎意料的；始料不及的 e.g. It will not be unexpected if Tom comes late again, because he is always like this. 如果汤姆又迟到了，一点也不意外，因为他一向如此。 Life is full of the unexpected. “the + 形容词”表示一类人或物 2. By the time I got up, my brother had already gotten in the shower. by the time 在……以前，常引导表示过去的时间状语从句，主句常用过去完成时，即had + 动词过去分词。 e.g. By the time I got there, he had already left. 在我到那儿之前，他已经离开了。 Homework 1. Preview the conversation in 2d. 2. Do the exercises in students’ book. Thank you! 本文件著作权为创作公司所有, 仅限于教师教学及其他非商业性和非盈利性用途。如发现盗用、转卖、网络传播等侵权行为, 本公司将依法追究其相应法律责任。 部分素材选自网络, 如有争议, 请联系删改。 声 明 $