英语人教版八年级下册What were you doing when the .pptx

1、Unit 5,Unit 5 What were you doing when the rainstorm came?,Section A 4 Grammar focus - 4c 石河子师范学校吕毓芳,When I ,He was doing ,When I called him up, he was sleeping.,Make up the sentences.,While I ,He was doing ,While I walked to school, he was eating.,When I ,He was doing ,When I read the newspaper, he

2、 was watching TV.,Teaching aims,1.能正确明白连词when 和while之间的区别 2.能正确使用when和while在不同的句子中，然后能够学会造出属于自己的句子。 3.让学生在生活中体验和展现，让英语更加贴近生活。,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 + 动词-ing,过去进行时,例如: A: What were you doing at eight last night? 昨晚八点你在干什么？ B: I was taking

3、 a shower. 我(当时)在淋浴。 A: What was he doing when the rainstorm came? 暴风雨来的时候他在干什么？ B: He was reading in the library when the rainstorm came. 暴风雨来的时候他在图书馆看书。,A: What was Jenny doing while Linda was sleeping? 琳达在睡觉的时候, 珍妮在做什么？ B: While Linda was sleeping, Jenny was helping Mary with her homework. 琳达在睡觉的

4、时候, 珍妮在帮助玛丽做作业。,What were you doing at eight last night? I was taking a shower.,What was she doing at the time of the rainstorm? She was doing her homework.,Grammar Focus,朗读并展现,Task1,What was he doing when the rainstorm came? He was reading in the library when the rainstorm came.,What was Ben doing

5、when it began to rain heavily? When it began to rain, Ben was helping his mom make dinner.,What was Jenny doing while Linda was sleeping? While Linda was sleeping, Jenny was helping Mary with her homework.,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？ 请仔细观察下面的例句，然后补全空格中的内容。,过去进行时中的 when 和 whi

6、le, 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。,过去进行,when, 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

7、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。,一般过去,while, 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。,过去进行,while,Look at the table and write sentences with both whil

8、e and when.,活学活用,4a,Task 2,1. While John was taking photos, Mary bought a drink. John was taking photos when Mary bought a drink. 2. While John was playing the piano, Mary left the house. John was playing the piano when Mary left the house.,3. While John was cleaning his room, Mary turned on the rad

9、io. John was cleaning his room when Mary turned on the radio. 4. While John was shopping, Mary took the car to the car wash. John was shopping when Mary took the car to the car wash.,Fill in the blanks with was, were, when or while.,At 7:00 a.m., I woke up. _ I _ making my breakfast, my brother _ li

10、stening to the radio. _ I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. _ we got to the place of the accident, the car _ in bad shape from hitting a tree. But luckily the driver _ fine. The roads _ icy because of the heavy

11、snow from the night before.,While was,was,While,When,was,was,were,4b,Task 3,What were you doing at these times last Sunday? You can choose one item to write down and when each group finishes the leader will stand up and report .,4c,Groupwork,Summary,1. We have learned the past continous tense. 2. We also knew the differences of when and whil