英语《What were you doing when the UFO

英语《What were you doing when the UFO arrived》教案

　　【课题】：Unit 3 Section A (1a-2c)

　　【励志小木屋】：I don’t think much of a man who is not wiser today he was yesterday如果一个人今天没有比昨天变得更聪明，那我是不会看重他的。

　　【预习目标】：1.识记P18-19 单词、短语 2.理解一般过去时与过去进行时的区别。3.理解when, while 引导的时间状语从句

　　【预习重难点】：

　　重难点：1.when, while引导的时间状语从句。

　　2.过去进行时。

　　一、自主预习

　　（一） 预习任务

　　1. 写出下列单词、短语： 在图书馆前面_________ 做饭_________ 理发_______ 睡过头________ 在浴室_________ get out of the shower___________ land on________ take off_______

　　barber shop_________

　　2.英汉互译：1). They wrote letters to their friends last night .

　　2). They were writing letters to their friends last night .

　　3).昨天我们上了一节英语课。_________________________________

　　4). 昨天八点钟我们上了一节英语课。_________________________________

　　5).当UFO到达的时候你正在干什么？__________________________________

　　（二） 预习诊断. 词的`适当形式填空：

　　1.I was in the____(barber) chair. 2. He ____( sleep) late when it arrived.

　　3. The alien visited the Museum of _____(fly).

　　4. What was the girl doing when the UFO_____ (take) off?

　　（三） 预习反思 Do you have any questions ?

　　二、课中实施

　　Step 1 预习交流 Step2 Warming-up Step 3 Lead-in Step4 Pairwork

　　Step 4 精讲点拨 : 1. 过去进行时：表示在过去某一时间内正在进行的动作。

　　构成：was / were + 现在分词

　　用法：1）过去进行时表现过去某一时刻正在进行的动作。

　　eg. She was writing a letter when I came in .我进来时，她正在写封信。

　　2）过去进行时还表示过去某阶段正在进行的动作。

　　eg. They were waiting for you yesterday . 他们昨天一直在等你。

　　2. when/while区别 :

　　_________we were watching the movie ,you closed the door。

　　We were watching the movie , ___________you closed the door 。

　　When既可指时间点，也可指时间段。When引导的时间状语从句，主句用过去进行时，从句应用一般过去时。While指一段时间，其引导的时间状语从句，主句用一般过去时，从句用过去进行时，或主从句都可用过去进行时。

　　Step 5 拓展延伸：用when，while填空

　　1. __________ the alien was in the museum , I called the police .

　　2. The boy was walking down the street __________ a UFO landed .

　　3. _____ the alien was visiting the museum , the boy called the TV station .

　　4. I was cleaning my room ________ the fire broke out .

　　5. ______ Linda was shouting his name , some people looked at her .

　　6. __________ Linda finally saw Davy , he was jumping with a dog .

　　Step 6 系统总结

　　三、限时作业 满分 10 分 得分 ________

　　单选：1. ——What ____ you ___ at this time yesterday?

　　——My homework. A. did, do B. are , doing C. Were , doing

　　2.Where ___ you___ lunch yesterday? ——At school.

　　A. did , have B. were, having C. do, have

　　3.—____ there___ a report on how to learn English tomorrow afternoon?

　　—— I’m not sure. You may ask Dennis.

　　A. Will, have B. Is , going to have C. Will, be

　　4.There are some big trees____ our classroom.

　　A. in front of B. in the front of C. on the front

　　5. What were you doing____ the accident happened?

　　A. while B. when C. that

　　词的适当形式填空：6. While we____(have) dinner, the telephone rang.

　　7. You are always ____(kid). If you do the same thing again, I’ll be angry.

　　8. We____(read) books while they___(watch) TV yesterday.

　　9. ——The telephone is broken.

　　——It doesn’t matter. Maybe you could ____(repair) it by yourself.

　　10. What ____ you___ (do) when your mother came back?

　　Homework: 根据句意及首字母提示补全单词：

　　1. I need to cut my hair. Do you know where is the nearest b_____ shop?

　　2. While I was cleaning the room, mum was cooking in the k_____.

　　3. I don’t believe there are a_____ on the Mars.

　　4. What w______ your parents doing at 9 o’clock yesterday?

　　5. Don’t you think it is a______ to see a UFO land in front of you?