初二下册英语Unit 3的教案示例
Unit 3 What were you doing when the UFO arrived ?
Teaching goals (教学目标)
1.Words : barber shop , well , bathroom , accident , earth , silence , playground , around , strange , kitchen , modern , follow , shirt .
2.when , while 引导的时间状语从句。
3.学习过去进行时态。
4.利用知识谈论过去发生的.事情。
5.复习过去式，学会讲故事。
6.了解一些自然科学知识和社会科学知识。
Important and difficult points：(教学重难点)
1.when , while 引导的时间状语从句。 2.学习过去进行时态。
Teaching aids : a tape-recorder , cards .
第一课时
Teaching procedures(教学步骤) :
Step 1 Leading in(导入话题，激活背景知识)
1.Greetings and free-talk . 2.Check the Homework(家庭作业) .
3.Dictate the words in Unit 2 .
Step 2 Pre-task(任务前活动)SB Page 18 , 1a .
1.Point to the sentences .Read the sentences .Explain what each one means .
2.Look at the picture .Point out the six people .Match the statements with the people in the picture .
3.Check the answers .
4.Practice reading .
Step 3 While-task(任务中活动)SB Page 18 , 1b .
1.Read the instructions .Make sure the Ss understand what they should do .
2.Look at the dialogue in the picture .
语法：
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 .
3.Play the tape twice . Circle the correct responses . 4.Check the answers .
Step 4 Post-task(任务后活动)
Talk about what people were doing when the UFO arrived .
Step 5 While-task(任务中活动)SB Page 19 , 2a .
1.Read the sentences .Make sure the Ss understand what they mean .
2.Play the tape twice .Order these statements .
3.Play the tape again ,correct the answers .
SB Page 19 , 2b .
1.Read the instructions . 2.Play the recording .Write “when” or “while” on each line .
3.Play the recording again ,correct their answers .
Notice: when / while
※ When comes before a quick action that happens only once .The word “while” comes from an action that continues for some time .
Step 6 Post-task(任务后活动)SB Page 19 , 2c .
1.Point ort the picture .Ask what each person is doing .
2.Groupwork : Ask “What was …doing when the UFO arrived ?”
3.Ask a group to say its conversation to the class .
Step 7 Grammar Focus
Review the grammar box by asking some students to read the sentences .
Homework(家庭作业) :
1.Go over the words in this unit
2.用介词或介词短语填空。
① They were talking the phone .
② I was he barber’s chair .
③ The boy was walking the street when a UFO landed .
④ I had a very unusual experienc
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