1、1 Unit 5What were you doing when the rainstorm came? 一、一、Teaching aims： 1. Knowledge objects 1). Grammar: Past Progressive Tense. 2). To learn to talk about past events. 2.Ability objects: Be able to tell the differences between Past Progressive Tense and Present Progressive Tense. Be able to tell t
2、he differences between Past Progressive Tense and Simple Past Tense. Be able to summarize the usages of when / while. 3. Emotional objects: To raise the safety awareness, enhance self-protection awareness. 二、二、Teaching Important and Difficult Points: To learn to talk about past events. Master the us
3、age of when / while in Past Progressive Tense. 三、三、Teaching methods: exploration, exchange, cooperation, exhibition 四、四、Teaching aid: PPT 五、五、Teaching procedures: Step 1 Revision. Step 2 Grammar Focus Fill in the blanks. Read the sentences together. Step 3 Presentation 一、过去进行时过去进行时 1. 概念: 表示过去某个时刻或过
4、去一段时间正在进行的动作。 2. 句子结构: 主语 + was/were + doing sth. + 时间状语 3. 时间状语: at 5:00 yesterday afternoon, at that time, then 等连用, 或者用另一动作来表示过 去的时间。 4. 句式 肯定式： 主语+was/were+动词-ing (+其他).如：I was running at that time. 否定式:主语+wasnt/werent +动词-ing (+其他). 如：They werent having a meeting at ten yesterday morning. 疑问式:W
5、as / Were+主语+动词-ing (+其他)? 其肯定回答为： Yes, 主语(人称代词)+ was / were.； 否定回答为： No, 主语(人称代词)+ wasnt / werent. 如：Was Jim reading at the time of the rainstorm? Yes, he was. / No, he wasnt. 二、二、 过去进行时和过去进行时和现在进行时的区别现在进行时的区别 1. 现在进行时：表示现在正在进行的动作。 结构： is /am /are + doinge.g. I am having an English class now. 2. 过去
6、进行时: 表示过去某个时刻正在进行的动作。 结构:was / were + doinge.g. I was having an English class at this time yesterday. 三、过去进行时和三、过去进行时和一般过去时的区别一般过去时的区别 过去进行时一般过去时 基本用法表示在过去的某一时刻或某一时间正在进 行的动作。 过去某个时间发生过的动作或存在的状 态。 结构形式主语 + was/were + V-ing 形式主语 + 动词过去式 时间状语at 7 yesterday, at that time, this time last night 等;when 与 w
7、hile 引导的时间状语从句。 yesterday, last week, in 1993, once, before, a few days ago 等。 注意表示过去正在进行而可能尚未完成的动作。表示过去已经完成的动作。 过去进行时过去进行时着重描述当时正在持续进行的动作， 特点是： 暂时、 持续和未完成， 强调过程； 2 一般过去时一般过去时表示发生过的动作或存在的状态，即表示动作发生过，而且已经结束，强调结果。 e.g. He was writing a letter last night. 昨晚他在写封信。 (没有说明信是否写完) He wrote a letter r last n
8、ight. 昨晚他写了封信。 (他已写好了信, 整个写的过程已完成。) She was making a dress at 3:00 yesterday afternoon. She made a dress yesterday afternoon. Step 4 Work in pairs. 4c What were you doing at these times last Sunday ? YouYour partner 9:00 a.m. 11:30 a.m. 4:00 p.m. 9:00 p.m. Step 5 Presentation： 1. 过去进行时中的过去进行时中的 when
9、 和和 while when 和 while 都可表示“当的时候”, 引导时间状语从句。两者在过去进行时中的用法 有什么不同？仔细观察下面的例句，然后补全空格中的内容。 We were reading when the teacher came in. When Jim arrived home, her mother was sweeping the floor. *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 we were reading, the teacher came in. She cut her fing
10、er while she was making dinner. *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 we were reading, they were writing. They were singing while we were dancing. *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。 2. Fill in the blanks with when and while . 1. _ they were talking, he
11、 got home. 2. What were you doing _ the accident happened? 3.Amy was reading _ it suddenly began to rain. 4. The bell rang _ he was listening to music. 5. You cant do your homework _ youre watching TV. Step 6 Practice 3 1. 4a. Look at the table and write sentences with both while and when. While Joh
12、n was taking photos, Marybought a drink. John was taking photos when Mary bought a drink. 2. 4b. Fill in the blanks with was, were, when or while. At 7:00 a.m., I woke up. _ I _ making my breakfast, my brother _ listening to the radio. _ I was eating, the radio news talked about a car accident near
13、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 snow from the night before. Step 7 中考链接中考链接 1) - Did you hear someone knock at the doo
14、r just now? - Sorry, I_ to my friend on the phones.(2017 成都) A. was talkingB. talkedC. am talking 2) When you _me last night, I _the piano.(2017 年甘肃兰州) A. were calling; was playingB.were calling; playedC. called; playedD. called; was playing 3) - What is the matter, Jack? - I _ down while I _ on the
15、 ice. I got hurt badly.(2017 四川达州) A. was falling, skatedB. fell, was skatingC. fell, skatedD. was falling, was skating 4) - When did the classroom have power cut? - This morning, while we _ a physics lesson.(2017 南京) A. have hadB. were havingC. are havingD. will have Step 8 Summary Step 9 Homework Writing: 描述某个周末晚上，你和你的家人们或朋友们正在做的事情。 要求： 1. 至少使用 4 个含有过去进行时的句子； 2. 80 词左右，可适当发挥。 JohnMary take photosbuy a drink play the pianoleave the house clean his roomturn on the radio shoptake the car to the car wash
