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1、Unit 3 What were you doing when the UFO arrived ?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。Impor
2、tant 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 1Teaching procedures :Step 1 Leading in 1. Greetings and free-talk .2. Check the homework .3. Dictate the words in Unit 2 .Step 2 Pre-taskSB Page 18 , 1a .1. Point to the sentences .Read t
3、he 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 .Explain :A in front of 在的前面 in the front of 在同一个空间的前部。B get out of 从. 出去 C arrive in +大地名 arrive at +小地名 reach
4、+地名 get to +地名 get +副词（home, there） Step 3 While-taskSB 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
5、when the UFO arrived 3. Play the tape twice . Circle the correct responses .4. Check the answers .Step 4 Post-taskTalk about what people were doing when the UFO arrived .Step 5 While-taskSB Page 19 , 2a .1. Read the sentences .Make sure the Ss understand what they mean .2. Play the tape twice .Order
6、 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 1. when可指时间点，又可指时间段，从句中可用延续性动词，也可用非延续性动词。2. while总是指一个时间段，从
7、句中必须用延续性动词。 3.统一时态：主句过去式，从句也是过去式. Step 6 Post-task1. SB Page 19 , 2c . Point ort the picture .Ask what each person is doing .2. Group work : Ask “What was doing when the UFO arrived ?”3. Ask a group to say its conversation to the class .4. Explain take off 起飞 脱衣服 Step 7 Grammar Focus Review the gram
8、mar 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。 They were talking the phone . I was the barbers chair . The boy was walking the street when a UFO landed . I had a very unusual experience Sunday . The alien visited the Museum Flight .P
9、eriod 2Teaching procedures :Step 1 Leading in1. Greetings and free-talk .2. Check the homework .Step 2 While-taskSB Page 20 , 3a .1. Read the instructions .2. Read the e-mail by the Ss first .Number the pictures in the correct order .3. Explain be a good experience for sb 对某人来说是次有意义的经历（可数名词）have exp
10、erience in/of在某方面有经验（不可数名词）Experience is the mother of wisdom. Follow相当于go after Spring follows winter. be amazed at/by 对什么感到惊奇Isnt that amazing! = That is amazing. (否定疑问句) amazing 惊人的，了不起 imagine doing sth 想象做某事4. Practice reading and listen to the tape .SB Page 20 , 3b .Cover the story .Look at th
11、e pictures and take turns to tell the story . I think this activity is hard to most of the students .If necessary , do it as homework .SB Page 20 , Part 4 .What were you doing at these times last Sunday ?1. Read the sample dialogue in the box .2. Look at the table .Read the times for the Ss .3. Pair
12、 work : Talk about what they were doing at different times .4. Write down your answers .5. Practice reading .Step 3 Post-taskMake an interview .Interview two classmates in your class and write down their answers .Begin like this :What were you doing at ? I was .Homework :Cover the story in 3a .Try t
13、o retell the story .Period 3Teaching procedures :Step 1 Leading in 1. Greetings and free-talk .2. Check the homework .Step 2 Pre-taskSB Page 21 , 1c .1. Look at the pictures .Please say something about the picture .2. Read the sentences and explain the new words .3. Match the sentences with the pict
14、ures .4. Check the answers .Explainbe scared of sth 害怕某物 shout at sb /shout to sb 对某人大喊 （但前者含有恶意，后者没有）Step 3 While-taskSB Page 21 , 2a & 2b .1. Read the things in the chart below .They will help Ss to guess what you will heard .Hear six things in the chart .2. Play the recording the first time .Ss o
15、nly listen .3. Play the recording a second time .Check the phrases they hear on the recording .4. Listen again .Pay attention to the persons who did each thing in the chart above .Match the phrases with the persons .5. Play the tape again and correct the answers .Explaincall the police 报警 in the tree 在树上（外来的 ）on the tree (属于树的）ride-rodeStep 4 Post-taskSB Page 21 , 2c .Pair work : Read the sample dialogue in the box .Talk ab
