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1、Unit5 What were you doing when the rainstorm came?Section A 3 (Grammar focus-4c) Step 1 Revision 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 rains
2、torm? 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? Wh
3、ile Linda was sleeping, Jenny was helping Mary with her homework. Step 3 过去实行时 1. 基本概念：过去实行时表示在过去某一时刻或一段时间内正在实行的 动作。这个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
4、not working. 疑问式和简略回答： Was I working? Yes, you were. No, you were not. Were you working? Yes, I was. No, I was not. Was he/she/it working? Yes, he/she/it was. No, he/she/it was not. Were we/you/they working? Yes, you/we/they were. No, you/we/they were not. 注： 1) was not常缩略为wasnt; were not常缩略为werent。
5、 2) 一般过去时与过去进行时用法的比较: 一般过去时表示在过去某个时间发生过的动作或存在的状态, 而过去进行时则表示在过去某一时刻或某一段时间正在进行的动作。 例如: David wrote a letter to his friend last night.大卫昨晚给他的朋友写了封信(信写完了。) David was writing a letter to his friend last night. 大卫昨晚一直在给他的朋友写信。(信不一定写完。)4当堂练习，用所给词的适当形式填空。(1) Bob _(play)computer games while his sister was do
6、ing homework.(2) what _ your parents _（do） at 8 oclock yesterday evening?(3) What _ (happen) in the shop?(4) The plane _（ land）the minutes ago.(5) What were you doing when you _ ( hear) the news5 Practice:. Do 4a 练习过去进行时的用法Step 4 过去进行时中的when和while 1 when和while都可表示“当的时候”，引导时间状语从句。请仔细观察下面的例句，然后补全空格中的内
7、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
8、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。2when 和while 来填空。(1)We were talking _ the teacher came into the classroom.(2)I was doing my homework _ my
9、mother was cooking in the kitchen.(3) _ the boy was walking in the street, a UFO landed in front of him. (4)_ I saw the boy, he was talking on the phone.3Do 4c巩固when 和while的用法（如时间不够作为课后作业。）. Step5 汉译英(1) Lucy 和Lily昨天下午从3点到4点在游泳。Lucy and Lily _ _ from 3:00 to 4:00 yesterday afternoon.(2) 当Mr Cook到家时，他正在听收音机。When Mr Cook got home, his son _ _ to the radio (3) 当李雷在吃早饭时，吉姆进来了。While Li Lei _ _, Jim came in.Step6教学反思 在课上，大部分学生基本上能够顺利的描述过去进行的事件，通过课堂教学, 学生学习的主动性和积极性得以调动。但不足的地方更多，在掌握副词短语“when”和“while”层面不够深入，在学生活动中活动内容太少，组织形式只是那么两三种，没有完全调动学生的积极性，归根到底是课堂准备不够充分，以后应当在备课方面多下功夫，钻研教学方法。