Unit 4 Then and now PB 教案（三个课时）
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| 名称 | Unit 4 Then and now PB 教案（三个课时） |  | |
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| 资源类型 | 教案 | ||
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| 科目 | 英语 | ||
| 更新时间 | 2015-07-13 21:05:36 | ||
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Unit 4 Then and now part B 教案
第一课时
课时目标
1．能听、说、读、写单词或词组：cycling, ice-skate, badminton, go cycling。
2．能够听、说、认读句子：I d ( http: / / www.21cnjy.com )idn't like winter before.I thought it was too cold,and I couldn't go cycling. How about now Now I love to ice-skate and play in the snow.并能在实际情境中正确运用。
教学重难点
1．重点：能听、说、读、写单词：cycling, ice-skate, badminton, go cycling。
2．难点：记忆单词badminton。
媒体链接
1．配套的教学课件。
2．图片和单词卡。
3．录音机和磁带。
教学过程
一、热身（Warm-up）
Say the chant:
Garden, garden.
See the flowers, see the flowers.
Playground, playground.
Let-s run, let's run.
Dining hall, dining hall.
Have lunch, have lunch.
Grass, grass.
Play football, play football.
Gym, gym.
Play basketball, play basketball.
活动方式：要求学生边说chant，边做动作。
1．Play a game:Bomb
活动方式：教师将school, l ( http: / / www.21cnjy.com )ibrary, playground, computer room, art room, music room. dining hall, grass, gym等单词卡片贴在黑板上，并将炸弹放在某个单词下，要求学生按照顺序快速说出这些单词。当读到埋有炸弹的单词时，全班学生则要跳过不能发出声音，如果谁违规了，全班学生则对着他说“One，two，bomb”。
2．活动：学校今昔谈
活动方式：学生两人一组就学校的过去和现在展开对话，然后教师请几组学生到讲台前表演。如：
Sl: Was there a computer in the classroom ten years ago
S2: No, there was a TV and some fans in the classroom.
Sl: Was there a library in our school five years ago
S2: Yes, but it w ( http: / / www.21cnjy.com )as small. Now there is big and bright.
Sl:I like the gym.I often play basketball and ping-pong in it.
S2: But there was no gym three years ago.
Sl: You're right．
3．活动：听一听，猜一猜
活动方式：教师藏起 ( http: / / www.21cnjy.com )一张运动项目的图片，让学生根据老师的描述，猜一猜是哪项运动项目，在活动过程中，学生可以随时猜，直到猜对为止，猜对的学生应给予奖励。如教师藏起一张蹋足球的图片：
T: We often play it on the playground.
S：Morning exercises.
T: No. We play a ball．
S：Basketball．
T: No. We often use our feet and head.
S：Football．
T: Yes．
教师示范后，可让一名学生抽出一张运动类的图片，由该生描述它的特征，其他学生来猜。
三、新课呈现( Presentation)
1．教学单词cycling和词组go cycling
教师描述：This is a ( http: / / www.21cnjy.com )sport. It's a popular sport. It's a cheap way to get around.It-s a sport of traveling on a bicycle.学生猜测后，教师出示骑车的图片说：This sport is cycling.教师板书：cycling，并采用“大小声”的方式操练单词。
教师边说：go cycli ( http: / / www.21cnjy.com )ng边模仿骑车的动作，骑到某个学生面前模拟将自行车交给这位学生，这位学生接过自行车后接着模仿骑车的动作说：go cycling，依次类推，全班接力说词组。游戏结束，教师板书：go cycling，全班边模拟骑车的动作边读词组。
2．教学单词badminton
教师出示羽毛球拍问学生：D ( http: / / www.21cnjy.com )o you like badminton Can you play badminton 教师板书：badminton，play badminton，教师先分音节带读单词，然后引导全班齐读单词，再比一比谁最快记住这个单词。教师边挥动羽毛球拍边说：play badminton，然后教师将球拍交给学生，让学生也边挥拍边说词组。
3．教学单词ice-skate
教师出示冰鞋的图片问：Can you ( http: / / www.21cnjy.com ) ice-skate 学生回答：Yes，I can．(No，I can' t.)教师板书：ice-skate，用升降调带读单词，全班拼读记忆单词ice-skate。
4．教学句子I d ( http: / / www.21cnjy.com )idn't like winter before.I thought it was too cold，and I couldn-t go cycling.
教师提问：Whi ( http: / / www.21cnjy.com )ch season do you like best Why 学生回答后，教师说：I like winter. But I didn't like winter before.I thought it was too cold, and I couldn't go cycling.板书：But I didn't like winter before.I thought it was too cold, and I couldn't go cycling.眚诉学生：thought是think的过去式，could是can的过去式。最后让学生说说这两句话的意思，引导全班齐读句子。
5．教学句子：How abou ( http: / / www.21cnjy.com )t now Now I love to ice-skate and play in the snow.
教师：I didn-t lik ( http: / / www.21cnjy.com )e winter before. How about now Guess，please.学生发言后教师说：Now I like winter.I love to ice-skate and play in the snow.教师板书句子：How about now Now I love to ice-skate and play in the snow.全班齐读句子。
6．教学B．Let -s learn
(1)教师播放课文录音，全班静听，理解课文。
(2)再次播放B．Let's learn的课文录音，学生边听边跟读。
(2)学生两人一组表演对话。
四、巩固与拓展（Consolidation and extension）
教学Listen，match and say
(1)学生独立观察图片。
(2)教师播放录音，学生听音连线。
(3)全班讲评订正。
(4)请学生根据范例，看图说句子。
五、家庭作业（Homework）
1．听录音，跟读单词。
2．完成活动手册配套练习。
3．用英文与朋友或家人谈论自己喜好的变化。
板书设计
Unit 4 Then and now
( http: / / www.21cnjy.com )
go cycli ( http: / / www.21cnjy.com )ng ice-skate play badminton
I didn-t like wint ( http: / / www.21cnjy.com )er before. I thought it was too cold, and I couldn-t go cycling.
How about now
Now I love to ice-skate and play in the snow.
第二课时
课时目标
1．能听、说、读、写句子：B ( http: / / www.21cnjy.com )efore，1 was quiet. Now，I'm very active in class.1 was short，so I couldn-t ride my bike well．Now，I go cycling every day.并能在实际的情境中运用。
2．能听、说、认读单词：different，active。
3．听懂、会说本课中的对话，并能在情境中运用。
教学重难点
1．重点：能听、说、读、写句子 ( http: / / www.21cnjy.com )：Before，1 was quiet. Now，I-m very active in class.1 was short，so I couldn't ride my bike well. Now，I go cycling every day.并能在实际的情境中运用。
2．难点：掌握different的发音。
媒体链接
1．单词卡片。
2．录音机和磁带。
3．课文挂图和配套VCD。
教学过程
一、热身（Warm-up）
1．师生问好。
2. Sing the song Changes in me.
二、复习（Revision)
1．Play a game:演一演，猜一猜
活动方式：教师将foo ( http: / / www.21cnjy.com )tball，basketball，ping-pong，hiking，badminton，iceskate，cycling，kungfu等运动类单词卡片面期下放在桌上。每组请一名学生上台抽取一张卡片，并用动作表演卡片上的运动，同组的其他学生根据表演猜运动名称。比一比哪组猜中的单词多。
2．抽读已学过的运动类单词并拼 ( http: / / www.21cnjy.com )读：football，basketball，ping-pong，hiking，badminton, ice-skate, cycling, kungfu…
3．活动：My favorite sport
活动方式：学生两人一组，就所喜欢的运动项目进行问答，然后请两、三组同学到台前表演。如：
Sl: Do you like ping-pong
S2:1 liked it three years ago.
Sl: How about now
S2: Now I like p ( http: / / www.21cnjy.com )laying basketball. It -s very interesting. How about you
iSl:1 liked badminton then, but now I like cycling.
三、新课呈现（Presentation）
1．教学单词different
教师出示自己小时候的 ( http: / / www.21cnjy.com )照片，问：Who's she Guess, please.学生猜测后，教师说：This is me. At that time, my hair was short and my face was big. I-m different now.l think you are all different now.板书：different，让学生说说它的意思。教师分音节带读单词，最后用“大小声”操练单词。
2．教学单词active和句子Before,1 was quiet. Now, I'm very active in class.
教师提出一个简单的问题，全班踊 ( http: / / www.21cnjy.com )跃举手时教师表扬：You are all active now.板书：active，让学生说说单词的意思，然后师带读单词。教师提问：Who is active in our class 学生发言后，教师指着其中的一位学生说：Before,A was quiet. Now, she/he-s very active in class. Good girl/boy!然后教师让这位学生来说说自己的变化：Before,1 was quiet. Now, I-m very active in class.教师板书：Before,1 was quiet.Now, I-m very active in class.全班齐读句子。最后请学生模仿这一句型说说自己的
不同。
3．教学句子1 was sho ( http: / / www.21cnjy.com )rt, so I couldn-t ride my bike well. Now,I go cycling every day.
教师介绍：I like cyc ( http: / / www.21cnjy.com )ling very much.I go cycling every day. But when l was young,1 was short, so I couldn't ride my bike well.教师板书：1 was short, so I couldn't ride my bike well. Now,I go cycling every day.然后带读句子。最后让学生模仿这一句型说说自己的不同。如：
1 was thin, so I c ( http: / / www.21cnjy.com )ouldn't play basketball well. Now,I play it every day.
1 was young, s ( http: / / www.21cnjy.com )o I couldn-t clean my room. Now,I clean my room every weekend.
4. 教学B．Let -s try
(1)学生朗读B．Let's try中呈现的问题和选项。
(2)教师播放B．Let's try的录音，学生听完录音后勾出正确的选项。
(3)全班校对答案。
5．教学B．Let's talk
(1)教师播放B．Let-s ( http: / / www.21cnjy.com )talk的录像，要求学生带着问题看录像：How did Mike change 录像播完后，让学生回答问题。
(2)播放B．Let's talk的录像，每句后暂停，全班跟读。
(3)让学生两人一组表演对话，并请一组学生到台前表演。
四、巩固与拓展（Consolidation and extension）
1. Talk about yo ( http: / / www.21cnjy.com )ur friends or family members. How did they change
活动方式：学生自己组织一段话来谈谈家人和朋友的变化。如：
Joe is my bro ( http: / / www.21cnjy.com )ther. He was cute ten years ago. He was 0.8 meters. He liked playing toy cars. He had many toy cars. He liked red. He had red caps, red T-shirts,
red shoes．
Now he's ten y ( http: / / www.21cnjy.com )ears old. He-s 1.5 meters. He likes playing badminton. He's strong and healthy. He likes blue. His schoolbag is blue. His bike is blue.
学生先四人一组交流各自的表述，最后教师请一些学生上台交流。
2．Play a game：猜猜他（她）是谁？
教师准备一些明星小时候和现在的 ( http: / / www.21cnjy.com )照片制作成课件。教师先让学生看明星小时候的相片，让学生用过去时来描述；接着让全班学生来猜猜这是哪位明星，猜出后再让学生描述现在的他（她）。
五、家庭作业（Homework）
1．听录音，跟读对话和单词。
2．完成活动手册配窭练习。
板书设计
Unit 4 Then and now
different active
Before,1 was quiet. Now, I-m very active in class.
1 was short. so I couldn't ride my bike well. Now,
I go cycling every day.
第三课时
课时目标
1．能听、说、认读单 ( http: / / www.21cnjy.com )词：race, nothing, thought, felt, cheetah, trip, woke,dream。
2．能听懂、会说句 ( http: / / www.21cnjy.com )子：There were many animals in that race. But suddenly he tripped and fell.
教学重难点
1．重点：能听懂、会说句子：The ( http: / / www.21cnjy.com )re were many animals in that race. But suddenly he tripped and fell.
2．难点：掌握单词cheetah的发音。
媒体链接
1．单词卡片。
2．录音机和磁带。
3．课文挂图和配套VCD。
教学过程
一、热身（Warm-up）
1．师生问候。
2．Say the chant:
Cycling, cycling,
Go cycling.
Go．cycling in the park.
Swimming, swimming,
Go swimming.
Go swimming in the pool.
Football, football,
Play football.
Play football in the playground.
Badminton, badminton,
Play badminton.
Play badminton in the gym.
活动方式：要求学生边说chant，边做动作。
二、复习（Revision)
1．全班抽读单词或词组：dining ( http: / / www.21cnjy.com ) hall，grass，gym，ago，cycling，go cycling，ice-skate，badminton。
2．活动：小记者在行动
活动方式：学生四人一组，三人扮演记者以学校或家庭的今昔变化轮番向一人提问。如：
QI: How many people are there in your family
S: There are four. ( http: / / www.21cnjy.com ) They are my father, my mother, my sister and me.
Q2: How many people were there ten years ago
S: There were four, too. They were my parents and grandparents.
Q3: Where did they live
S: They li ( http: / / www.21cnjy.com )ved in an old house. There were two bedrooms and a kitchen in it.
Q4: Where do you live now
S: We live ( http: / / www.21cnjy.com )in a new house. It has two floors, three bedrooms, two bathrooms,a kitchen,a dining room and a living room.
三、新课呈现( Presentation)
1．教学单词race，cheetah和句子There were many animals in that race.
教师出示动物赛跑的图片并介绍：Th ( http: / / www.21cnjy.com )is is a race. There were many animals in that race. The cheetah is the fastest of all.板书：race，cheetah和句子There were many animals in that race.先让学生说说这两个单词的意思并引导学生拼读，然后让学生说说句子的意思。
2．教学单词thought，f ( http: / / www.21cnjy.com )elt，woke，trip和句子But suddenly he tripped and fell．
(1)教师出示单词：thi ( http: / / www.21cnjy.com )nk，feel，wake，让学生说说这些动词的意思。然后告诉学生这些动词的过去式都是不规则变化的，边说边将板书补充成：think-thought，feel-felt，wake-woke，并带读这六个单词。
(2)教师板书：trip ( http: / / www.21cnjy.com )，让学生说说单词的意思。告诉学生：trip作为名词时意为“旅行”，作为动词时意为“绊倒”，它的过去式是规则变化的。让学生说说该单词的过击式，教师根据学生回答将板书补充为：trip-tripped。教师出示课文的插图说：He was in the race. But suddenly he tripped and fell．教师板书：But suddenly he tripped and fell．让学生说出该句子的意思后，师带读。
3．教学单词nothing，dream
教师提问学生：Did you ( http: / / www.21cnjy.com )have a dream last night 并板书：dream。先让学生说说单词的意思，再回答问题。教师说：I had a dream last night. In that dream there was nothing I could do,1 was worried.板书：nothing，先让学生说说单词的意思，再带读单词。
4．教学B．Read and write
(1)学生独立阅读课文内容，画出自己不理解的句子。
(2)请学生说出不理解的句子，教师适当指导。
(3)教师播放教学录像，学生边看录像边理解课文内容。
(4)全班在理解的基础上朗读以下句子：
①Wu Yifan drank it and suddenly he felt good,
②There was a second race.
(5)教师再次播放录像，全班跟读。
5．完成B．Read and write部分的练习
(l)Number the pictures.
让学生独立观察这三幅图，按 ( http: / / www.21cnjy.com )文章的顺序为图片标号。全班找出描述这三幅图的句子，然后教师请一些学生来说说这些句子，最后全班一起看图说句子。
(2) Listen and fill in the blanks.
让学生先独立阅读这段对话，然后教师播放录音，学生根据录音内容填空，最后教师再播放录音，全班校对答案。
四、巩固与拓展（Consolidation and extension）
活动：Did you have an ( http: / / www.21cnjy.com ) interesting dream Tell your dream to your partner. Then write several sentences about it.
活动方式：学生先将一个有趣的梦告诉同伴，然后按照课本的提示将这个梦谊录在课本上，最后请一些学生汇报交流。
五、家庭作业（Homework）
1．听录音，跟读课文。
2．完成活动手册配套练习。
3．用英文把自己一个有趣的梦说给家长听。
板书设计
Unit 4 Then and now
( http: / / www.21cnjy.com )
nothing think-thought feel-felt
wake-woke trip-tripped
There were many animals in that race.
But suddenly he tripped and fell.
第一课时
课时目标
1．能听、说、读、写单词或词组：cycling, ice-skate, badminton, go cycling。
2．能够听、说、认读句子：I d ( http: / / www.21cnjy.com )idn't like winter before.I thought it was too cold,and I couldn't go cycling. How about now Now I love to ice-skate and play in the snow.并能在实际情境中正确运用。
教学重难点
1．重点：能听、说、读、写单词：cycling, ice-skate, badminton, go cycling。
2．难点：记忆单词badminton。
媒体链接
1．配套的教学课件。
2．图片和单词卡。
3．录音机和磁带。
教学过程
一、热身（Warm-up）
Say the chant:
Garden, garden.
See the flowers, see the flowers.
Playground, playground.
Let-s run, let's run.
Dining hall, dining hall.
Have lunch, have lunch.
Grass, grass.
Play football, play football.
Gym, gym.
Play basketball, play basketball.
活动方式：要求学生边说chant，边做动作。
1．Play a game:Bomb
活动方式：教师将school, l ( http: / / www.21cnjy.com )ibrary, playground, computer room, art room, music room. dining hall, grass, gym等单词卡片贴在黑板上，并将炸弹放在某个单词下，要求学生按照顺序快速说出这些单词。当读到埋有炸弹的单词时，全班学生则要跳过不能发出声音，如果谁违规了，全班学生则对着他说“One，two，bomb”。
2．活动：学校今昔谈
活动方式：学生两人一组就学校的过去和现在展开对话，然后教师请几组学生到讲台前表演。如：
Sl: Was there a computer in the classroom ten years ago
S2: No, there was a TV and some fans in the classroom.
Sl: Was there a library in our school five years ago
S2: Yes, but it w ( http: / / www.21cnjy.com )as small. Now there is big and bright.
Sl:I like the gym.I often play basketball and ping-pong in it.
S2: But there was no gym three years ago.
Sl: You're right．
3．活动：听一听，猜一猜
活动方式：教师藏起 ( http: / / www.21cnjy.com )一张运动项目的图片，让学生根据老师的描述，猜一猜是哪项运动项目，在活动过程中，学生可以随时猜，直到猜对为止，猜对的学生应给予奖励。如教师藏起一张蹋足球的图片：
T: We often play it on the playground.
S：Morning exercises.
T: No. We play a ball．
S：Basketball．
T: No. We often use our feet and head.
S：Football．
T: Yes．
教师示范后，可让一名学生抽出一张运动类的图片，由该生描述它的特征，其他学生来猜。
三、新课呈现( Presentation)
1．教学单词cycling和词组go cycling
教师描述：This is a ( http: / / www.21cnjy.com )sport. It's a popular sport. It's a cheap way to get around.It-s a sport of traveling on a bicycle.学生猜测后，教师出示骑车的图片说：This sport is cycling.教师板书：cycling，并采用“大小声”的方式操练单词。
教师边说：go cycli ( http: / / www.21cnjy.com )ng边模仿骑车的动作，骑到某个学生面前模拟将自行车交给这位学生，这位学生接过自行车后接着模仿骑车的动作说：go cycling，依次类推，全班接力说词组。游戏结束，教师板书：go cycling，全班边模拟骑车的动作边读词组。
2．教学单词badminton
教师出示羽毛球拍问学生：D ( http: / / www.21cnjy.com )o you like badminton Can you play badminton 教师板书：badminton，play badminton，教师先分音节带读单词，然后引导全班齐读单词，再比一比谁最快记住这个单词。教师边挥动羽毛球拍边说：play badminton，然后教师将球拍交给学生，让学生也边挥拍边说词组。
3．教学单词ice-skate
教师出示冰鞋的图片问：Can you ( http: / / www.21cnjy.com ) ice-skate 学生回答：Yes，I can．(No，I can' t.)教师板书：ice-skate，用升降调带读单词，全班拼读记忆单词ice-skate。
4．教学句子I d ( http: / / www.21cnjy.com )idn't like winter before.I thought it was too cold，and I couldn-t go cycling.
教师提问：Whi ( http: / / www.21cnjy.com )ch season do you like best Why 学生回答后，教师说：I like winter. But I didn't like winter before.I thought it was too cold, and I couldn't go cycling.板书：But I didn't like winter before.I thought it was too cold, and I couldn't go cycling.眚诉学生：thought是think的过去式，could是can的过去式。最后让学生说说这两句话的意思，引导全班齐读句子。
5．教学句子：How abou ( http: / / www.21cnjy.com )t now Now I love to ice-skate and play in the snow.
教师：I didn-t lik ( http: / / www.21cnjy.com )e winter before. How about now Guess，please.学生发言后教师说：Now I like winter.I love to ice-skate and play in the snow.教师板书句子：How about now Now I love to ice-skate and play in the snow.全班齐读句子。
6．教学B．Let -s learn
(1)教师播放课文录音，全班静听，理解课文。
(2)再次播放B．Let's learn的课文录音，学生边听边跟读。
(2)学生两人一组表演对话。
四、巩固与拓展（Consolidation and extension）
教学Listen，match and say
(1)学生独立观察图片。
(2)教师播放录音，学生听音连线。
(3)全班讲评订正。
(4)请学生根据范例，看图说句子。
五、家庭作业（Homework）
1．听录音，跟读单词。
2．完成活动手册配套练习。
3．用英文与朋友或家人谈论自己喜好的变化。
板书设计
Unit 4 Then and now
( http: / / www.21cnjy.com )
go cycli ( http: / / www.21cnjy.com )ng ice-skate play badminton
I didn-t like wint ( http: / / www.21cnjy.com )er before. I thought it was too cold, and I couldn-t go cycling.
How about now
Now I love to ice-skate and play in the snow.
第二课时
课时目标
1．能听、说、读、写句子：B ( http: / / www.21cnjy.com )efore，1 was quiet. Now，I'm very active in class.1 was short，so I couldn-t ride my bike well．Now，I go cycling every day.并能在实际的情境中运用。
2．能听、说、认读单词：different，active。
3．听懂、会说本课中的对话，并能在情境中运用。
教学重难点
1．重点：能听、说、读、写句子 ( http: / / www.21cnjy.com )：Before，1 was quiet. Now，I-m very active in class.1 was short，so I couldn't ride my bike well. Now，I go cycling every day.并能在实际的情境中运用。
2．难点：掌握different的发音。
媒体链接
1．单词卡片。
2．录音机和磁带。
3．课文挂图和配套VCD。
教学过程
一、热身（Warm-up）
1．师生问好。
2. Sing the song Changes in me.
二、复习（Revision)
1．Play a game:演一演，猜一猜
活动方式：教师将foo ( http: / / www.21cnjy.com )tball，basketball，ping-pong，hiking，badminton，iceskate，cycling，kungfu等运动类单词卡片面期下放在桌上。每组请一名学生上台抽取一张卡片，并用动作表演卡片上的运动，同组的其他学生根据表演猜运动名称。比一比哪组猜中的单词多。
2．抽读已学过的运动类单词并拼 ( http: / / www.21cnjy.com )读：football，basketball，ping-pong，hiking，badminton, ice-skate, cycling, kungfu…
3．活动：My favorite sport
活动方式：学生两人一组，就所喜欢的运动项目进行问答，然后请两、三组同学到台前表演。如：
Sl: Do you like ping-pong
S2:1 liked it three years ago.
Sl: How about now
S2: Now I like p ( http: / / www.21cnjy.com )laying basketball. It -s very interesting. How about you
iSl:1 liked badminton then, but now I like cycling.
三、新课呈现（Presentation）
1．教学单词different
教师出示自己小时候的 ( http: / / www.21cnjy.com )照片，问：Who's she Guess, please.学生猜测后，教师说：This is me. At that time, my hair was short and my face was big. I-m different now.l think you are all different now.板书：different，让学生说说它的意思。教师分音节带读单词，最后用“大小声”操练单词。
2．教学单词active和句子Before,1 was quiet. Now, I'm very active in class.
教师提出一个简单的问题，全班踊 ( http: / / www.21cnjy.com )跃举手时教师表扬：You are all active now.板书：active，让学生说说单词的意思，然后师带读单词。教师提问：Who is active in our class 学生发言后，教师指着其中的一位学生说：Before,A was quiet. Now, she/he-s very active in class. Good girl/boy!然后教师让这位学生来说说自己的变化：Before,1 was quiet. Now, I-m very active in class.教师板书：Before,1 was quiet.Now, I-m very active in class.全班齐读句子。最后请学生模仿这一句型说说自己的
不同。
3．教学句子1 was sho ( http: / / www.21cnjy.com )rt, so I couldn-t ride my bike well. Now,I go cycling every day.
教师介绍：I like cyc ( http: / / www.21cnjy.com )ling very much.I go cycling every day. But when l was young,1 was short, so I couldn't ride my bike well.教师板书：1 was short, so I couldn't ride my bike well. Now,I go cycling every day.然后带读句子。最后让学生模仿这一句型说说自己的不同。如：
1 was thin, so I c ( http: / / www.21cnjy.com )ouldn't play basketball well. Now,I play it every day.
1 was young, s ( http: / / www.21cnjy.com )o I couldn-t clean my room. Now,I clean my room every weekend.
4. 教学B．Let -s try
(1)学生朗读B．Let's try中呈现的问题和选项。
(2)教师播放B．Let's try的录音，学生听完录音后勾出正确的选项。
(3)全班校对答案。
5．教学B．Let's talk
(1)教师播放B．Let-s ( http: / / www.21cnjy.com )talk的录像，要求学生带着问题看录像：How did Mike change 录像播完后，让学生回答问题。
(2)播放B．Let's talk的录像，每句后暂停，全班跟读。
(3)让学生两人一组表演对话，并请一组学生到台前表演。
四、巩固与拓展（Consolidation and extension）
1. Talk about yo ( http: / / www.21cnjy.com )ur friends or family members. How did they change
活动方式：学生自己组织一段话来谈谈家人和朋友的变化。如：
Joe is my bro ( http: / / www.21cnjy.com )ther. He was cute ten years ago. He was 0.8 meters. He liked playing toy cars. He had many toy cars. He liked red. He had red caps, red T-shirts,
red shoes．
Now he's ten y ( http: / / www.21cnjy.com )ears old. He-s 1.5 meters. He likes playing badminton. He's strong and healthy. He likes blue. His schoolbag is blue. His bike is blue.
学生先四人一组交流各自的表述，最后教师请一些学生上台交流。
2．Play a game：猜猜他（她）是谁？
教师准备一些明星小时候和现在的 ( http: / / www.21cnjy.com )照片制作成课件。教师先让学生看明星小时候的相片，让学生用过去时来描述；接着让全班学生来猜猜这是哪位明星，猜出后再让学生描述现在的他（她）。
五、家庭作业（Homework）
1．听录音，跟读对话和单词。
2．完成活动手册配窭练习。
板书设计
Unit 4 Then and now
different active
Before,1 was quiet. Now, I-m very active in class.
1 was short. so I couldn't ride my bike well. Now,
I go cycling every day.
第三课时
课时目标
1．能听、说、认读单 ( http: / / www.21cnjy.com )词：race, nothing, thought, felt, cheetah, trip, woke,dream。
2．能听懂、会说句 ( http: / / www.21cnjy.com )子：There were many animals in that race. But suddenly he tripped and fell.
教学重难点
1．重点：能听懂、会说句子：The ( http: / / www.21cnjy.com )re were many animals in that race. But suddenly he tripped and fell.
2．难点：掌握单词cheetah的发音。
媒体链接
1．单词卡片。
2．录音机和磁带。
3．课文挂图和配套VCD。
教学过程
一、热身（Warm-up）
1．师生问候。
2．Say the chant:
Cycling, cycling,
Go cycling.
Go．cycling in the park.
Swimming, swimming,
Go swimming.
Go swimming in the pool.
Football, football,
Play football.
Play football in the playground.
Badminton, badminton,
Play badminton.
Play badminton in the gym.
活动方式：要求学生边说chant，边做动作。
二、复习（Revision)
1．全班抽读单词或词组：dining ( http: / / www.21cnjy.com ) hall，grass，gym，ago，cycling，go cycling，ice-skate，badminton。
2．活动：小记者在行动
活动方式：学生四人一组，三人扮演记者以学校或家庭的今昔变化轮番向一人提问。如：
QI: How many people are there in your family
S: There are four. ( http: / / www.21cnjy.com ) They are my father, my mother, my sister and me.
Q2: How many people were there ten years ago
S: There were four, too. They were my parents and grandparents.
Q3: Where did they live
S: They li ( http: / / www.21cnjy.com )ved in an old house. There were two bedrooms and a kitchen in it.
Q4: Where do you live now
S: We live ( http: / / www.21cnjy.com )in a new house. It has two floors, three bedrooms, two bathrooms,a kitchen,a dining room and a living room.
三、新课呈现( Presentation)
1．教学单词race，cheetah和句子There were many animals in that race.
教师出示动物赛跑的图片并介绍：Th ( http: / / www.21cnjy.com )is is a race. There were many animals in that race. The cheetah is the fastest of all.板书：race，cheetah和句子There were many animals in that race.先让学生说说这两个单词的意思并引导学生拼读，然后让学生说说句子的意思。
2．教学单词thought，f ( http: / / www.21cnjy.com )elt，woke，trip和句子But suddenly he tripped and fell．
(1)教师出示单词：thi ( http: / / www.21cnjy.com )nk，feel，wake，让学生说说这些动词的意思。然后告诉学生这些动词的过去式都是不规则变化的，边说边将板书补充成：think-thought，feel-felt，wake-woke，并带读这六个单词。
(2)教师板书：trip ( http: / / www.21cnjy.com )，让学生说说单词的意思。告诉学生：trip作为名词时意为“旅行”，作为动词时意为“绊倒”，它的过去式是规则变化的。让学生说说该单词的过击式，教师根据学生回答将板书补充为：trip-tripped。教师出示课文的插图说：He was in the race. But suddenly he tripped and fell．教师板书：But suddenly he tripped and fell．让学生说出该句子的意思后，师带读。
3．教学单词nothing，dream
教师提问学生：Did you ( http: / / www.21cnjy.com )have a dream last night 并板书：dream。先让学生说说单词的意思，再回答问题。教师说：I had a dream last night. In that dream there was nothing I could do,1 was worried.板书：nothing，先让学生说说单词的意思，再带读单词。
4．教学B．Read and write
(1)学生独立阅读课文内容，画出自己不理解的句子。
(2)请学生说出不理解的句子，教师适当指导。
(3)教师播放教学录像，学生边看录像边理解课文内容。
(4)全班在理解的基础上朗读以下句子：
①Wu Yifan drank it and suddenly he felt good,
②There was a second race.
(5)教师再次播放录像，全班跟读。
5．完成B．Read and write部分的练习
(l)Number the pictures.
让学生独立观察这三幅图，按 ( http: / / www.21cnjy.com )文章的顺序为图片标号。全班找出描述这三幅图的句子，然后教师请一些学生来说说这些句子，最后全班一起看图说句子。
(2) Listen and fill in the blanks.
让学生先独立阅读这段对话，然后教师播放录音，学生根据录音内容填空，最后教师再播放录音，全班校对答案。
四、巩固与拓展（Consolidation and extension）
活动：Did you have an ( http: / / www.21cnjy.com ) interesting dream Tell your dream to your partner. Then write several sentences about it.
活动方式：学生先将一个有趣的梦告诉同伴，然后按照课本的提示将这个梦谊录在课本上，最后请一些学生汇报交流。
五、家庭作业（Homework）
1．听录音，跟读课文。
2．完成活动手册配套练习。
3．用英文把自己一个有趣的梦说给家长听。
板书设计
Unit 4 Then and now
( http: / / www.21cnjy.com )
nothing think-thought feel-felt
wake-woke trip-tripped
There were many animals in that race.
But suddenly he tripped and fell.