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1、Unit 3 What were you doing when the UFO arrived?Period One (Section A 1a-2c)【教师寄语】Nothing is difficult if you put your heart into it.世上无难事，只怕有心人。【学习目标】：知识目标： 1.本课的13个单词以及相应的动词短语、介词短语。（18-19页）2.重点句型： A: What were you doing when the UFO arrived ? B: I was standing in front of the library when the UFO
2、arrived. A: What was the boy doing when the UFO landed? B: He was sleeping late. 能力目标：熟练 运用本课词汇 及句型谈论在过去某一时间发生的事情。情感目标：培养学生正确的价值观。【学习重难点】：重点 掌握过去进行时态的构成及用法。难点 掌握when和while的用法。【预习指导】一.前置学习:1.仔细观察下面的对话,用“_”标出对话中所出现的时间，并补全句子.（1） A: What are you doing now? B: I am doing my homework now. They are having
3、an English lesson.（2） A: What were you doing at 9 oclock last night? B: I was doing homework. C:_(我正在打扫我的房间). （3） A: What were you doing when your mother came back yesterday? B:I _(我正在做作业). 试着仿照前面的对话完成后面的句子并总结:对话1用了_进行时态,对话2用了_进行时态.2利用你的学习资料，自学过去进行时的构成及用法（练习册）3.仔细阅读课本1aGrammar Focus的句子并翻译。然后通过相关资料说出
4、when与while的用法区别。二自我预习1.预习课本P18-19页的内容，画出你不认识的词汇，然后到105页生词表中查找，标出音标再读几遍。2看课本1a先读句子再仔细的看图片并把这些句子和图片中相应的人物匹配起来。三预习自检1.写出下列词的适当形式1.buy(过去式)_ 2.get(过去式)_ 3.go(过去式)_4cut（现在分词） 5.fly（名词） 6.saw（原型）2.翻译下列短语1.一个飞碟_ 2.理发店_ 3.在盥洗室_4.在卧室_ 5. 在厨房里_ 6.出去_7.一个外星人_ 8报警 _ 9. 起飞_ 【课堂导学】一课本处理自主学习：1.检查学生的预习效果。2听力练习：听1b，
5、2a，2b完成课本上的内容。3.让学生再次阅读课本上的句子 ，老师进行检查。合作探究：1.通过所学句子，完成下列任务。（一）过去进行时过去进行时主要表示在_或_进行的动作。其构成为_。常与at that time, this time yesterday, all the evening, from 8:00 to 10:00yesterday, just then, at nine yesterday, when等表示明确有具体的时间状语。eg：（1）I was doing my homework at this time yesterday.（2）What was Tom doing at
6、 ten yesterday.（3）I was eating dinner when the phone rang.其具体的句型为： 肯定句：主语+_+其他。eg：They were having a meeting that time. 否定句：主语+_+其他。e.g：They werent having a meeting that time. 一般疑问句_+主语+_+其他？肯定回答：Yes，主语+was/were. 否定回答：No，主语+wasnt/werent. eg：Were they having a meeting that time? Yes, they _. No, they
7、_.跟踪练习：I.翻译1. 昨天晚上8：30我正在看电视。_.2. 当我妈妈回来时我正在做作业。_.3. 正当我在打扫房间时电话响了。_.4. The boy was walking down the street when the UFO landed._.句型转化1.I was doing my homework at this time yesterday.（变为否定句）_.2.The boy was walking down the street when the UFO landed.（变一般疑问句并作肯定回答）_.（二）when与while用法1.when与while都是从属连词，
8、都有“_”的意思。When相当于at that time,既可以表示某一时刻又可以表示_，所以when引导的时间状语从句动词既可以是延续性的，又可以是_。when引导的时间状语如果是一般过去时，主句一般用过去进行时。而while相当于during the time，表示某一段时间里的情况，故其引导的时间状语从句中的动词必须是_。eg：While I was watching TV, my mother came back.=When my mother came back, I was watching TV.2.while重在强调其后的动作与主句动作的对比，表示“与此同时”。eg：She w
9、as listening to music while I was playing computer games.when/while跟踪练习1）_ the teacher came in, we were talking and laughing.2)I got home_ my mother was cooking dinner.3)They were dancing _ we came to meet them.4)_the alien was visiting the museum, the boy called the police.【实践运用】让学生以小组为单位完成2c。看哪组表演
10、的最好。【当堂达标】 根据句意及首字母完成单词1.My sister was watching TV w_ she was having supper.2.My mother was cooking in the k_ when I got home yesterday.3.My friend b_ me a book as a birthday present last week.4.The plane l_ safely at last.5.I graduated from Shandong University this year. So I have no e_in teaching
11、English.】课堂延伸】在本节课中你还有什么不明白的问题，没掌握的知识请记录下来问同学或老师。【课后作业】单项填空1.We heard someome _ in the next room.A.sings B.sang C.to sing D.singing2.There are many trees _ the classroom.A.in front of B.in the front of C.in front D.at the front3.His mother wanted to know what he _ at that time.A.is doing B.was doing
12、 C.has done D.will do4.-I was doing my homework at eight oclock last night.-You are_. I saw you in the cinema.A.hard-working B.kidding C.kiding D.kidded5.They were playing football it rained.A.while B.when C.as D.before6._we were eating dinner in the restaurant, the owers dog took my bagaway quietly.A.Because B.While C.If D.Until【课后反思】我的收获是_我的不足是_ 我努力的方向是_ Period2(3a-4)【学习目标】1. 通过阅读学会谈论过去某时正在发生的事情。2. 学会根据图片讲故事。【预习指导】一 自我预习1. 熟读3a并完成题目要求。2. 画出不理解的句子或你认为重要的句子。3. 利用你手头的资料学习3a中的要点。二预习效果检测1.读课文，写出下列短语和句型。1)一次不寻常的经历 _ 2)大约在十点左右_3) 跟随某人做某事_ 4)它是多么的奇怪！ _
