1、=【 ;精品教育资源文库 】 = Unit 12 Life is full of the unexpected. Section A Grammar Focus- 4c 一、【教材分析】 教 学 目 标 知识 目标 1. 能听、说、读、写下列新词汇： cream, workday, pie, bean, market 2. 能正确使用下列常用表达： Show up, by the end of , finish doing, become + adj., come back from 3. 能掌握并熟练用 语法要点中的句型： 1) When I got to school, I realize
2、d that I had left my backpack at home. 2) By the time I got back to school, the bell had rung. 3) Before I got to the bus stop, the bus had already left . 能力 目标 能运用所掌握的词汇句型和语法进行交流。 情感 目标 能比较流利地讲述自己曾经烦人特别的一天 ，养成积极看待事物的积极心态。 教学重点 总结过去完成时的不同句型。 教学难点 学会用过去完成时叙述自己经历的特别的一天。 教学方法 归纳法；任务型教学法 二、【教学流程】 环节 师生活
3、动 二次备课 I. 复习 热身 1. 检查生词预习情况 1). 通过比一比，谁最快的游戏，检查学生对新词汇的预习情况。 2). 根据所给汉语提示，写出句中所缺单词。 1. Mr. He lives two_(街区 )away from the park. 2.Why did you put some red_(豆 )into the soup? 3.Would you like milk or_(奶油 )in your coffee? 4. The river goes through the city from _ (西 ) to east. 5.There are two big_(市场
4、)near my home. =【 ;精品教育资源文库 】 = 6. The drop in prices was quite_ (出乎意料的 ). 7. The _ (工人 ) don t like to work on weekends. 8. The plane was flying _ (在上面 ) the clouds. Answers: 1). blocks 2). beans 3). cream 4).west 5). markets 6).unexpected 7).workers 8).above 2. 自由交谈 以小组对话的形式复习巩固上节课所学重要句型，同时为本课学习 G
5、rammar Focus 夯实基础。 II. 感知 体验 1. 呈现图片 和本单元的重要句型，学生根据图片练习对话，观察这些句子的结构，总结本单元的语法要点。 1) When I got to school, I realized that I had left my backpack at home. 2) By the time I got back to school, the bell had rung.3) Before I got to the bus stop, the bus had already left .2. 总结过去完成时的用法 （ 1） 构成 ：由助 动词 had（
6、用于各种人称和数） +过去分词 ” 构成 否定式： had not+过去分词 （ 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或状态。 （ 3）它所表示的动作发生的时间是 “ 过去的过去 ” ，表示过去某一时间可用 by ， before 等短语来表示，也可用 when， before等引导的时间状语从句来表示。 例如 : By the time I came in, Tom had written his name on the =【 ;精品教育资源文库 】 = blackboard. 当我进来时，汤姆已经把他的名字写在黑板 上了。 When I got the
7、re, you had already eaten your meal. 当我到达那里时，你已经开始吃了。 Before I go to the bus stop, the bus had already left. 在我到达公交车站前，公交车已经离开了。 针对训练 1）当我进来时，他已经写完作业了。 When I came in he _(finish) his homework. 2）直到去年，她已经学了五年的钢琴了。 By the time of last year, she _ (learn) the piano for five years. 3）在我到达电影院之前，电影已经开始了。
8、 The movie _(start) before I arrived at the cinema. 3、 Grammar Focus Ask students to read the sentences, and understand the meanings of them. Pay attention to the expressions “ by the time, before and when” . 由 by the time, before， when 等引导时间状语从句时，主句常用过去完成时表示动作发生在过去的过去。 根据汉语完成句子 1)当我到达学校的时候，我才意识到我把书
9、包忘在家里了。 _ I got to school, I realized that I _ _ my backpack at home. 2)到我返回学校的时候，铃声已经响过了。 _ _ _ I got back to school, the bell _ _. 3）我到达公共汽车站之前， 汽车已经离开了。 =【 ;精品教育资源文库 】 = Before I _ _ the bus stop, the bus _ _ _. =【 ;精品教育资源文库 】 = III. 强化 巩固 1. Activity 4a 1)Ask students to make sentences using by
10、the time or before on their own. 2)Ask five students to write their sentences on the blackboard. (1)Tim went into the bathroom. Mary got up. By the time Mary got up, Tim had already gone into the bathroom. (2)The coffee became cold. I put cream in the coffee. (3)The teacher collected the math homewo
11、rk. I got to school. (4) I completed the work for my boss. The workday ended. (5)The movie started. I arrived at the cinema. (6)My mother finished making the apple pie. I got home from my language course. 3)Check their sentences together in class. Answers: (2)The coffee had already become cold befor
12、e I put cream in the coffee. (3)When I got to school, the teacher had collected the math homework. (4)Before the workday ended, I had completed the work for my boss. (5)By the time I arrived at the cinema, the movie had =【 ;精品教育资源文库 】 = started . (6)When I got home from my language course, my mother
13、 had finished making the apple pie. 2. Activity 4b 1) Let students read the words or phrases in the box and try to understand the meanings of them. Before starting, have them know the right forms of the verbs. rush-rushed- forget- forgot- forgotten arrive- arrived-arrived go- went-gone show-showed-s
14、howed find-found-found 2) Fill in the blanks with the correct forms of the words in the box. Before filling in the blanks, let students go through the six sentences to understand the meanings. rush out forget arrive at go into show up find out 3) Check the answers together. 4) Give students some tim
15、e to read the six sentences over and over again. IV. 实践 应用 1. Speaking Group work ： Activity 4c Let students think about his/her day yesterday. Use the sentences in 4c to say three more statements about his/her day yesterday. 2. Writing practice Let them write what they just have said about their da
16、ys yesterday. Ask some students to write on the blackboard. =【 ;精品教育资源文库 】 = Students check the sentences together. V.总结 反馈 1.结合板书 和课件 ， 盘点所学词汇和短语 。 Words: cream, workday, pie, bean, market Phrases: show up, by the end of , finish doing, become + adj., come back from 2. 结合板书 和课件 ， 盘点语法要点 。 1. 过去完成时的
17、构成： _+_ 2. 过去完成时表示： _ 3. 过去完成时常与 _等引导的时间状语连用。 VI. 作 业 布置 1. Review the new words and expressions youve learned today. 2. Write down the unexpected in your daily life. 3. Preview the new words and expressions. 三、【板书设计】 Section A Grammar focus 4c When, by the time, before + 从句（一般过去时），主句（ 过去完成时） 1. When I got to? , I realized? had left? . 2. By the time I got back to? , the bell had rung. 3. Before I got to? , the bus had already left. 四、【教后反思】 =【 ;精品教育资源文库 】 = 【 163 文库：各类精品优质课，公开课课件 ppt;教案，教学设计，各类试题复习资料，工作文档等上百万资源。】 【平台地址： 】
