新课标人教版八年级英语下册3 What were you doing when the UFO arrived (1).doc

3 What were you doing when the UFO arrived (1)
Teaching goals :
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:
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 .

Period 1

Teaching procedures :
Step 1 Leading in
1. Greetings and free-talk .
2. Check the homework .
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 .
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 .
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 the 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 .
教学后记: