山东省滕州市大坞镇大坞中学八年级英语上册《Unit 3 What were you doing when the UFO arrived Section A（1a-2c）》教案 北师大版.doc

山东省滕州市大坞镇大坞中学八年级英语上册《Unit 3 What were you doing when the UFO arrived Section A（1a-2c）》教案 北师大版
第2课时 Section A (1a-2c)
学习目标：
1.when , while 引导的时间状语从句。
2.学习过去进行时态。
学习过程：
Step 1  Leading in：
1.Greetings and free-talk . 2.Check the Homework（家庭作业） .
3.Dictate the words in Unit 2 .
Step 2  Pre-task：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：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：
Talk about what people were doing when the UFO arrived .
Step 5  While-task：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：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 :
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 experience Sunday .
⑤  The alien visited the Museum Flight .
课后反思：本课讲述UFO的故事，学生比较感兴趣，学习兴趣较浓，课堂效果较好，但是对于while和when区别部分同学没弄清，需要加大练习力度。