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第5单元课 题Unit 5 What were you doing when the rainstorm came ? Section A (3)课时安排共（1）课时课程标准 P19.理解并运用恰当的语言形式具体事件和具体行为的发生、发展过程。 学习目标1. 通过自读及图片展示，4/5的学生能准确辨别出 rise, icy 等单词；2. 通过小组讨论，能准确找到相关信息并正确完成相应的练习,2/3的学生会准确使用过去进行时叙述发生的事情。教学重点1) 进一步学习过去进行时，并总结用法与规律。2) 掌握when 与while 的用法，并能灵活运用完成练习。教学难点掌握when 与while 的用法，并能灵活运用完成练习。教学方法小组合作，情景创设 教学准备彩色粉笔，ppt课前作业你知道when和while的区别吗？教学过程教学环节课堂合作交流二次备课（修改人： ）环节 一Step 1 Revision1. Watch a short movie about the rainstorm. 2.Look at the pictures and make up the sentences.Step 2 Grammar Focus 读下列句子，能否总结出句子中包含的语法？ 1. What were you doing at eight last night?I was taking a shower. 2. What was she doing at the time of the rainstorm?She was doing her homework. 3. What was he doing when the rainstorm came?He was reading in the library when the rainstorm came.4. What was Ben doing when it began to rain heavily?When it began to rain, Ben was helping his mom make dinner. 5. What was Jenny doing while Linda was sleeping?While Linda was sleeping, Jenny was helping Mary with her homework.Step 3 过去进行时1. 基本概念：过去进行时表示在过去某一时刻或一段时间内正在进行的动作。这一特定的过去时间除有上下文暗示以外, 一般用时间状语来表示。2. 结构 was / were ( not ) + 动词-ing 3. 句式 肯定式：I/He/She/It was working.We/You/They/ were working. 否定式:I/He/She/It was not working.We/You/They/ were not working. 疑问式和简略回答Step 4 过去进行时中的when和while when和while都可表示“当的时候”，引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗？课中作业请仔细观察下面的例句，然后补全空格中的内容。 I was walking to school when I saw a cat in a tree. When Sally arrived home, her mother was cleaning the house. 主句的动作是持续性的，而从句动作是短暂性的，此时用_引导时间状语从句，主句用_时态，从句用一般过去时态。 While I was sleeping in the bedroom, someone knocked at the door. David fell while he was riding his bike. 主句的动作是短暂性的，从句的动作是持续性的，此时用_引导从句，主句用_时态，从句用过去进行时态。 While Andy was waiting for the bus, he was reading a newspaper. He was cleaning his car while I was cooking. 主句和从句的动作在过去的某时刻或某段时间同时发生，而且动作都是持续性的，此时用_引导从句，而且主句和从句都用_时态。环节二Step 5 活学活用4a. Look at the table and write sentences with both while and when.4b. Fill in the blanks with was, were, when or while.课中作业4a,4b, 环节三Step 6 Speaking 4c. What were you doing at these times last Sunday? Fill in the chart. Then ask your partner.Step 7 ExercisesI. 根据汉语意思完成下列英语句子，每空一词。1. 昨天下午五点钟你哥哥在做什么？ What _ your brother _ at five yesterday afternoon?2. 昨天我回到家时，我妈妈在洗衣服。 My mother _ _ clothes _ I _ home yesterday.3. 你做作业时，你妹妹在干什么？ What _ your sister _ _ you _ _ your homework?Finish 4c in your group.课后作业设计： Make conversations with the phrases and sentences in 4c. 板书设计：Unit 5 What were you doing when the rainstorm came ? Section A (3) You Your partner9:00 a.m.11:30 a.m.4:00 p.m.9:00 p.m.教学反思：
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