英語《What were you doing when the UFO arrived》教案
【課題】：Unit 3 Section A (1a-2c)
【勵志小木屋】：I don’t think much of a man who is not wiser today he was yesterday如果一個人今天沒有比昨天變得更聰明，那我是不會看重他的。
【預習目標】：1.識記P18-19 單詞、短語 2.理解一般過去時與過去進行時的區(qū)別。3.理解when, while 引導的時間狀語從句
【預習重難點】：
重難點：1.when, while引導的時間狀語從句。
2.過去進行時。
一、自主預習
（一） 預習任務
1. 寫出下列單詞、短語： 在圖書館前面_________ 做飯_________ 理發(fā)_______ 睡過頭________ 在浴室_________ get out of the shower___________ land on________ take off_______
barber shop_________
2.英漢互譯：1). They wrote letters to their friends last night .
2). They were writing letters to their friends last night .
3).昨天我們上了一節(jié)英語課。_________________________________
4). 昨天八點鐘我們上了一節(jié)英語課。_________________________________
5).當UFO到達的時候你正在干什么？__________________________________
（二） 預習診斷. 詞的`適當形式填空：
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） 預習反思 Do you have any questions ?
二、課中實施
Step 1 預習交流 Step2 Warming-up Step 3 Lead-in Step4 Pairwork
Step 4 精講點撥 : 1. 過去進行時：表示在過去某一時間內(nèi)正在進行的動作。
構(gòu)成：was / were + 現(xiàn)在分詞
用法：1）過去進行時表現(xiàn)過去某一時刻正在進行的動作。
eg. She was writing a letter when I came in .我進來時，她正在寫封信。
2）過去進行時還表示過去某階段正在進行的動作。
eg. They were waiting for you yesterday . 他們昨天一直在等你。
2. when/while區(qū)別 :
_________we were watching the movie ,you closed the door。
We were watching the movie , ___________you closed the door 。
When既可指時間點，也可指時間段。When引導的時間狀語從句，主句用過去進行時，從句應用一般過去時。While指一段時間，其引導的時間狀語從句，主句用一般過去時，從句用過去進行時，或主從句都可用過去進行時。
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 系統(tǒng)總結(jié)
三、限時作業(yè) 滿分 10 分 得分 ________
單選：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
詞的適當形式填空：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: 根據(jù)句意及首字母提示補全單詞：
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?
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