初二下冊英語Unit 3的教案示例
Unit 3 What were you doing when the UFO arrived ?
Teaching goals (教學目標)
1.Words : barber shop , well , bathroom , accident , earth , silence , playground , around , strange , kitchen , modern , follow , shirt .
2.when , while 引導的時間狀語從句。
3.學習過去進行時態。
4.利用知識談論過去發生的.事情。
5.復習過去式，學會講故事。
6.了解一些自然科學知識和社會科學知識。
Important and difficult points：(教學重難點)
1.when , while 引導的時間狀語從句。 2.學習過去進行時態。
Teaching aids : a tape-recorder , cards .
第一課時
Teaching procedures(教學步驟) :
Step 1 Leading in(導入話題，激活背景知識)
1.Greetings and free-talk . 2.Check the Homework(家庭作業) .
3.Dictate the words in Unit 2 .
Step 2 Pre-task(任務前活動)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(任務中活動)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 .
語法：
過去進行時態的構成: was / were + doing .
用法:表示過去某一時刻或某一段時間正在進行的動作，一般用時間狀語來表示。
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(任務后活動)
Talk about what people were doing when the UFO arrived .
Step 5 While-task(任務中活動)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(任務后活動)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(家庭作業) :
1.Go over the words in this unit
2.用介詞或介詞短語填空。
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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