过去进行时 教学案

教学内容：过去进行时目标分解：1、理解过去进行时的概念。 2、掌握过去进行时的构成（肯定、否定和疑问）。3、识记过去进行时的用法。 4、实例操练，学会做题。教学重点：教会学生掌握过去进行时的概念、用法、构成。教学难点：过去进行时的构成以及用法。学情剖析：大部分学生做题时经常遗漏be动词，而且对不同人称be动词过去式的选用没有掌握透彻。方法选择：课堂提问、小组讨论活动(情景)设计：以生活实际为例。教具(实验)准备：举例造句、句型替换、PPT教学教学过程：教师：一、 复习在进入新课之前先回顾一下上节课所学内容现在进行时。包括现在进行时的构成，用法和现在分词的规则变化。（教师引导学生统一复习）二、导入 以学生的状态引出这节课的话题。以某某同学上课前正在做什么，然后让学生翻译句子，教师把句子呈现在黑板上。同学们，我们仔细观察一下黑板上的句子。都是表示学生上课前正在做某事，那么我们称之为？那么什么是过去进行时？通过这些句子我们来解释一下。三、新课1. 现在进行时的定义：表示过去某一时刻或过去一段时间内正在进行的动作，常和表示过去的时间状语连用。识记表示过去的时间状语：then, at that time, this time yesterday, at ten yesterday等 （PPT呈现）课堂用语设计：一RevisionT:Today , we are going to learn a new topic , before we start it , let us have a review : What is past continuous tense? Ss: T: And what are the usage and the formation of past continuous tense?Ss: 二Leading -inT: Ok , I want to ask you, what were you doing before the class ? S1: S2: T: Look at the sentences, what they are expressing Ss: someone was doing something in the past.T:So what kind of tense these sentences belong to ?乐东思源高中教学案(试行) 高 一 年级 英 语 学科 第 周 第二课时 主备人：胡倩倩 2. 过去进行时的构成同学们，那么过去进行时的构成是怎样的呢？（学生根据现在进行时构成及例句推测过去进行时的结构，顺便复习现在进行时的结构）例：肯：She was listening to music then. 她那时正在听音乐。否：She was not listening to music then. 她那时没在听音乐。疑：Was she listening to music then？ 她那时在听音乐吗？ Yes, she was. / No, she was not. 是的，她在听。/不，她不在听。构成： 主语 + be(was/were) + 动词的现在分词肯定形式：主语 + be(was/were) + 动词的现在分词否定形式：主语+ be(was/were)+ not +动词的现在分词疑问形式：(Was/Were) + 主语 + 动词的现在分词肯定回答： Yes, 主语 + was/were.否定回答： No, 主语 +was/were+ not. 注意：（I, She, He, It, 名词单数）+ was （You, We, They, 名词复数）+ were3. 过去进行时的用法（1） 表示过去某一时刻或过去一段时间内正在进行的动作。- what were you doing at that time? 你在做什么？- I was eating. 我正在吃。He was having a haircut when his mother was out. 当他妈妈离开时，他正在剪头发。（2） 常和always等频率副词连用，表过去频繁发生的习惯性动作，带有一定感情色彩。She was always crying. 她总是在哭。（3） 在以when与while引导的时间状语从句中。例： She was playing games when her father went tocook this time yesterday. His father came back when Jagger was drivingthe car. Olivia was looking at me while we were taking a photo. 1）主句动作先于从句动作， 主句：过去进行时； 从句：一般过去时。2） 从句动作先于主句动作， 主句：一般过去时； 从句：过去进行时。3）主从句动作无先后关系， 同时使用过去进行时，从句一般由while引导。 四、习题演练1. 真题(1). （2014湖南） Little Tom _ computer games when his mother got home.A. is playing B. plays C. was playing答案：C解析：本题考查过去进行是的用法。由句意得知“小汤姆正在玩电脑游戏当他妈妈回家的时候。(2).（2014甘肃） She _ to an English program while her parents _ TV. A. was listening; is watching B. listened; were watching C. was listening; watched D. was listening; were watching 答案:D解析:句意-当她的父母在看电视的时候，她正在听英语节目。主句听电视节目与从句看电视同时进行，因此，主从句都用过去进行时。2. 用正确的形式来填空(1)What _ you _ (write) when the teacher came in ?(2)_ she _ (listen) to music at nine yesterday evening ?(3)My brother came into the room while I _ _ (dance).(4) Jane _ _(read) books while I _ _(do) my homework.(5) Mike and I _ _(play) basketball at that time yesterday afternoon.五、课堂小结1. 过去进行时的构成（肯定，否定和疑问）？2. 过去进行时的用法？六、课后作业按要求进行句型转换。(1).We were having a PE class at 4:00 yesterday afternoon.(改为否定句) We _ _ _ a PE class at four yesterday afternoon.(2).She was playing gamesat 8:00 last night. (改为一般疑问句，做肯，否回答)_ _ _ _ at 8:00 last night？_, _ _, _ _.(3) .I was readinga novelat three yesterday afternoon.(对划线部分提问)_? Ss: Present Continuous Tense三Presentation T: So, Present Continuous Tense means T: Ok , look at the sentences , can you summarize the formation of