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人教版初中英语八年级下册《Unit 3 What were you doing when the UFO arrived 》精品教案（新课标）
人教版初中英语八年级下册《Unit 3 What were you doing when the UFO arrived ?》精品教案（新课标）
教学目标：
Words : barber shop , well , bathroom , accident , earth , silence , playground , around , strange , kitchen , modern , follow , shirt .
when , while 引导的时间状语从句。
学习过去进行时态。
利用知识谈论过去发生的事情。
复习过去式，学会讲故事。
了解一些自然科学知识和社会科学知识。
Important and difficult points:
when , while 引导的时间状语从句。
学习过去进行时态。
Teaching aids : a tape-recorder , cards .
第一课时
Teaching procedures :
Step 1. warm up
Greetings and free-talk .
Check the homework .（check the words of unit 3）
.复习一般现在时和现在进行时（利用图片同桌相互问答练习）
Step 2 Pre-task（单词、短语、句型的呈现与操练）
Tast 1、通过图片呈现新单词并操练句型：where is she/he ?what is he /she doing?where was she /he when I visited?what was she/he doing when I visited?
Tast 2、 教师示范后学习组内利用图片操练、展示
Tast 3、引入UFO ,以UFO为话题通过图片呈现新单词并操练句型where was she /he ? what was she/he doing when the UFO arrived?He/she was ….(教师示范后学生操练剩余图片).
Step 3 While-task
SB Page 18 , 1a.
Point to the sentences .Read the sentences .Explain what each one means .
Look at the picture .Point out the six people .Match the statements with the people in the picture .
Check the answers .
Practice reading .
SB Page 18 , 1b .
Read the instructions .Make sure the Ss understand what they should do .
Look at the dialogue in the picture .
Explain :
过去进行时态的构成: was / were + doing .
用法:表示过去某一时刻或某一段时间正在进行的动作，一般用时间状语来表示。
I was standing in front of the library when the UFO arrived .
Play the tape twice . Circle the correct responses .
Check the answers .
Step 4 Post-task
Tast 1、Talk about the chart in pairs.
9:00a.m 12:00a.m 4:00p.m 7:oop.m …… 图书馆学习 吃午饭 打扫房间 打电话 ……. 参考句型 : what were you doing at ….yesterday ?
I was
Step 5 While-task
SB Page 19 , 2a .
Read the sentences .Make sure the Ss understand what they mean .
Play the tape twice .Order these statements .
Play the tape again ,correct the answers .
SB Page 19 , 2b .
Read the instructions .
Play the recording .Write “when” or “while” on each line .
Play the recording again ,correct their answers .
Notice: when / while
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