英语人教版八年级下册Unit 5 Grammar Grammar--4c.doc

Unit5 Section A Grammar Focus 4c湖北十堰郧阳青曲中学 杨霞【学习目标】1. 知识技能目标掌握并灵活运用本课的重点词汇icy kid重点短语wake up, have a look, in bad shape, the night before,重点语法：过去进行时的用法；when与while引导的时间状语从句学会讲故事Tell a story；学会谈论难以忘记的事情Talk about past events2. 情感态度目标在困难时期应该互相帮助【重点难点】 过去进行时的用法；when与while引导的时间状语从句。【教学方法】通过创设教学交际活动情景，可以使语法教学变得真实，内容丰富，而且在交际活动中通过师生问答环节可以使我们教师充分了解学生们从发音到语法方面存在的个体差异。通过问答训练句型，最后落实到写作中，检查知识的整体把握情况。【教学准备】ppt课件 【前置学习】英汉短语互译1.拍照_ 2.听收音机_ 3.buy/bought a drink_4.the place of the accident_5.have a look_【课堂探究】Step1. Leadin before class（情景导入 教师问“What were you doing when I came into the classroom?”学生可一个接一个自由回答，从而引出过去进行时的各种句型。老师板书课题。） Look at the pictures . Ask and answer the questions. Step2 Presentation. 1 .Read “Grammar Focus”中的句子，启发学生思考when与while在引导时间状语从句是的区别。2语法探究过去进行时 概念：表示过去某段时间或某一时刻正在进行的动作。其结构为“_+_” 构成【观察】1）肯定句式When you called, I was having a shower.I was sleeping at that time.He was reading in the library when the rainstorm came.The students were singing and dancing happily on the playground at that time.【小结】肯定句式：_+was/_+_【观察】2）否定句式Kate Smith was not watching a movie when a plane hit the World Trade Center.In fact, he wasnt helping his mother in the kitchen. He was watching TV.When Mr. Lee came in, they werent reading English, just chatting【小结】否定句式：主语 +_ /were + not +_【观察】3）一般疑问句式Were you playing basketball then?Oh, yes.Was she sleeping at that time?Yes, she was. / No, she wasnt.Were they doing homework at this time yesterday evening? No, they werent.【小结】一般疑问句式：Was/_ + 主语 + _.【观察】4）特殊疑问句式What were you doing at eight last night?What was Ben doing when it began to rain heavily?【小结】特殊疑问句式：疑问词+_/_ + 主语 + _.用法1）表示过去某段时间内正在进行的动作，一般要有表示过去时间的状语At that time she was working in Oxford. 那时，她正在牛津大学工作. _ January_ March I was traveling in Egypt. 从3月份到4月份期间，我在埃及旅游.2）表示过去某一时刻正在进行的动作，一般要有表示过去时间的状语It was raining at 6 oclock this morning. 今天早晨六点钟天正下着雨.What were you doing when I phoned you last night? 昨晚我给你打电话时你在干什么？3）when 与 while 引导时间状语从句【观察】He was reading in the library when the rainstorm came.When it began to rain, Ben was helping his mom make dinnerWhile Linda was sleeping, Jenny was helping Mary with her homework.While you were sleeping, I called Jenny and she helped me.【小结】while 引导时间状语从句叙述过去的动作时，从句常用_。when 用作并列连词，意为这时，连接两分句时，主句多用_。4)一般过去时与过去进行时的区别【观察】We were building a bridge last winter.去年冬天我们在修建一座桥。(可能尚未建成) We built a bridge last winter.去年冬天我们修建了一座桥。(已经建成)【小结】一般过去时：强调过去某一时间开始或完成的动作。过去进行时：强调过去某一时间正在进行的动作。试区别下面两句： He wrote a letter last night. _He was writing a letter last night. _ Step3 Finish 4a. Look at the table and write sentences with both while and when Step4 Finish 4b. Fill in the blanks with was ,were ,when or while. Ask and answer the questions.1.What was the writer doing while his brother was listening to the radio?2.What was the writer doing when the radio news talked about a car accident near their home?Step5 Finish 4c 通过问答进行调查报告，写一篇文章。Step6 Summary（总结略）Step7板书设计（略）【当堂检测】用动词的适当形式填空1.While we _ (wait) for the bus, a girl _ (run) up to us.2.I _ (telephone) a friend when Bob _ (come) in.3. It was quite late at night. George _ (read) and Amy _ (watch) the movie Now You See Me when they _ (hear) a knock at the door.4.I _ (have) my breakfast at half past six yesterday morning.5.Mary _ (go) over her lessons from six to seven last night. John and peter _ (do) the same thing.6.-What _ you _ (do) at that time? -We _ (watch) TV.7.Was your father at home ye