2021学年Unit 4 Then and now Part B优质教案

Unit 4 Then and now

Part B 第一课时

Let's try & Let's talk

教学目标：

1.听说读写句子：Before, I was quiet. Now, I'm very active in class.

2. I was short, so I couldn't ride my bike well. Now, I go cycling every day.

3.听说认读单词different, active.

4.听懂会说本课时的对话.

教学重点：

1.听说读写句子Before, I was quiet. Now, I'm very active in class.

2. I was short, so I couldn't ride my bike well. Now, I go cycling every day.

3. different的发音较难。

教学过程：

Step 1: Warm up

1. Go over: go cycling   ice-skate   play badminton

2.教师做动作，学生一起说出短语并造句。Go cycling, I could go cycling. Ice-skate, I could ice-skate. Play badminton, I could play badminton.

3. 齐读Let's learn对话并请学生翻译。

Step 2: Presentation

1.教学different.

出示自己小时候的照片，T: Who is she? Guess. T: It is me. At that time, I had short hair and I was fat. Now I am different. All of you are different now.板书different,请学生说出它的意思，并教读。

2.教学active 和 板书句子：Before, I was quiet. Now, I'm very active in class. 请学生说意思，然后齐读。

3.板书句子：I was short, so I couldn't ride my bike well. Now, I go cycling every day.请学生说句子的意思，然后齐读句子，最后请学生模仿该句子说自己的变化。如：

I was short, so I couldn't play basketball well. Now, I play it every day.

4.学生自己读对话，回答问题：How did Mike change?

5. 学生讲解对话，教师答疑。

6.放录音，学生跟读。

Step 3: teacher-student interaction

1.学生小组读对话。

2.分角色朗读对话。 

3. Finsh Let's try.

4.用P36的句子灵活运用所学单词及句子谈论家人或朋友的变化。

Step 4: Classroom tests

一、选择与句子意思相符的图片。

(   ) 1. He was cute. He has big ears. He was smile.

(   ) 2. She has small glasses and long hair. She's quiet.

(   ) 3. She was kind and friendly. She was tall and thin.

(   ) 4. He's from America. He's very tall and strong. He's good at basketball.

(   ) 5. He couldn't ride his bike well.

A.   B. C.   D. E.

二、读一读，选一选。

(  ) 1. Come and look at my old photos.

(  ) 2. You're wearing a pink T-shirt.

(  ) 3. We are all different now.

(  ) 4. Before, I was quiet. Now, I am active in class.

(  ) 5. I was short, so I couldn't ride my bike well. Now, I go cycling every day.

A. 我以前个子小，自行车骑得不好。现在我天天骑车。

B.我们现在都不一样了。

C. 来看我的旧照片。

D. 以前我很安静。现在我在课堂上很活跃。

E. 你穿着粉红色的T恤。

三、根据P36 Let's talk判断正（A）误( B )

(   ) 1. Mike doesn't like pink now.

(   ) 2. Before, Mike was active in class. Now, he is quiet.

(   ) 3. Before, John was short, so he couldn't ride his bike well.

(   ) 4. John doesn't go cycling every day.

(   ) 5. John likes going cycling.

学生小结：这节课我学到了___________________________。

板书设计：

Unit4 Then and now

active  different

Before, I was quiet. Now, I'm very active in class.

I was short, so I couldn't ride my bike well. Now, I go cycling every day.

Unit 4 Then and now

Part B 第二课时

Let's learn & Listen, match and say

教学目标：

1.听说读写单词及短语：cycling, ice- skate, badminton，go cycling

2.能听说认读句子：I didn't like winter before. I bought it was too cold, and I couldn't go cycling.  How about now?   Now I love to ice-skate, so I like winter.

教学重点：

1.听说读写单词cycling, ice- skate, badminton.

2.记忆badminton.

教学过程：

Step 1: Warm up

1. Go over the words. dining hall grass  gym  star  easy

2.谈论学校的今昔对比。T: Tell us about your old school, please.

S1: There were no computers in my old school.

T: How do you know that?     S1: Our head teacher told us.

Step 2: Presentation

1.教学单词及词组：cycling, go cycling, ice-skate, play badminton.

(1)出示骑车的图片T: Which sport is it? 板书cycling并教读。

(2)教师边做骑车的动作边说Go cycling, I can go cycling.。

(3)出示羽毛球拍图片T: Do you like badminton? Ss: Yes, I do. / No, I don't. T: Can you play badminton? 板书并教读badminton，play badminton. I can play badminton.

(4)出示滑冰的图片，教学ice-skate. 边做动作边说：Ice-skate, Ice-skate， I can ice-skate.

2.板书句子：I didn't like winter before. I thought it was too cold, and I couldn't go cycling.告诉学生think—thought, can – could.

3.板书句子How about now?  Now I love to ice-skate, so I like winter. 请学生说出意思，全班齐读。

4. 播放Let's learn录音，学生跟读。

Step 3: teacher-student interaction

1.学生开火车读单词，词组。

2.学生灵活运用所学单词及句子表演对话。

3. Finish Listen, match and say.

(1)听录音，把人物与做的活动连起来。

(2)根据连线同桌对话：Before, Allen couldn't ...  Now...

Step 4: Classroom tests

一、读句子，选图片。

(  ) 1. She didn't like winter before.

(  ) 2.I love to ice-skate.

(  ) 3. He could play badminton.

(  ) 4. My sister couldn't go cycling three months ago.

(  ) 5. His brother could play the piano.

A. B. C. D. E.

二、选择正确的汉语意思。

1. I couldn't go cycling. A. 我以前的学校里没有操场。

2. How about now? B.   你怎么知道的？       

3. I didn't like summer before. C. 我以前不会骑自行车。

4. How do you know that? D. 我以前不喜欢夏天。

5. There was no playground in my old school.   E. 现在呢？

三、选择最佳答案。

1. There _____ no library in my old city. 

A. is     B. are     C. was

2. Tell us _____ your family, please.   

A. about   B. at     C. of

3. There _____ computers in my old school. 

A. are    B. were   C. is

4. --______ do you know that?  

-- I looked it up on the Internet.

A. What     B. When      C. How

5. I ______ a bike every day.   

A. rode      B. ride     C. rides

学生小结：这节课我学到了____________________________。

板书设计：

Unit4 Then and now

cycling, go cycling, ice- skate, badminton, play badminton

I didn't like winter before. I thought it was too cold, and I couldn't go cycling.   think – thought    can -- could

How about now?   Now I love to ice-skate, so I like winter.

Unit 4 Then and now

Part B 第三课时

Read and write

教学目标：

1.能听,说，认读单词race, nothing, thought ,felt, cheetah, trip, woke, dream。

2.能听懂，会说句子：There are many animals in the race. But suddenly he tripped and fell.

3.能听懂，读懂小短文，并能完成相应的练习。

教学重点：

能听懂，会说句子：There are many animals in the race. But suddenly he tripped and fell.

教学难点：

能听懂，读懂小短文，并能完成相应的练习。

教学过程：

Step 1: Warm up

读一读，译一译

Before, I was quiet. Now, I’m very active in class.

I was short, so I couldn’t ride my bike well. Now, I go cycling every day.

Step 2: Presentation

1.出示单词卡片和图画教学单词：race, nothing, thought, felt, cheetah, trip, woke, dream并板书,教读,学生跟读。

2. S: 学生独立阅读课文，边读边理解。勾出不理解的句子。

3. T:帮助学生理解句子并板书：

(1) There are many animals in the race.

(2) But suddenly he tripped and fell.

4. Listen to the passage.

5. Number the picture.

Step 3: teacher-student interaction

1.领读Read and write 中的句子并纠正读音。

2.抽学生理解课文,并答疑。

3.学生勾出动词的过去式，并写出原型。老师可以板书。

4. Finish exercise:

(1) Listen to the dialogue

(2) Fill in the blanks.

Step 4: Classroom tests

一、单项选择

(  ) 1. There ____ ten trees in front of the museum.

A. did     B. were      C. was

(  ) 2.A can run very fast.

A. Sheep   B.  cow     C. cheetah

(  ) 3.They ____  a race with Class Four yesterday.

A. had     B. have      C. has

(  ) 4. I _____ like  summer before.

A. didn’t   B. don’t      C. doesn’t

(  ) 5.Chen Ling _____ some pictures of Big Ben last year.

A. took    B. rode    C .hurt

二、判断正（A）误（B）

Wu Yifan: Mum, I had an interesting dream last night.

Mum: What did you dream about?

Wu Yifan: I had a race with Dad and Max, but I couldn’t run fast.

Mum: What happened then?

Wu Yifan: Robin gave me some water. I drank it and then could run very fast. Suddenly I tripped and fell. Then I woke up.

Mum: What a dream!

(   ) 1. Wu Yifan had an interesting dream last night.

(   ) 2. He had a race with Mum and Max in his dream.

(   ) 3. Robin gave him some milk. He drank it and then could run very fast. 

(   ) 4. He tripped and fell in his dream. Then he woke up.

(   ) 5. At last(最后) Wu Yifan could win the race.

板书设计：

Unit4 Then and now

Read and write

race, nothing, thought ,felt, cheetah, trip, woke, dream

1. There are many animals in the race

2. But suddenly he tripped and fell.

Unit 4 Then and now

Part B 第四课时

Main sence & Let's check & Let's wrap it up & Story time

教学目标：

1.复习本单元的四会单词、词组及句子。

2.能够独立完成Let's check/Let's wrap it up部分内容。

3.理解Story time 中的故事。

教学重点：

1.掌握本单元单词和句子。

2.完成相关练习并理解故事。

教学过程：

Step 1: Warm up

1. Review the words and phrases and sentences in U.4.(多操练)

(1) eg: T show card of "grass"     S: grass, grass ,grass .

(2) Spelling match.  eg: T: grass.  S: g-r-a-s-s

(3)句子英汉互译。

Step 2: Presentation

1.复习四会单词，四会句子，三会单词。（读课本四单元单词和句子）

2. Main scene(多操练)

(1) Ss自己观察主图，自读句子，再教读正音。

(2) Listen to the tape and follow it.

3. Listen to the tape and finish Let's check.

(1)学生观察图片上画的什么？

(2)T播放磁带，学生听音为图片标号后讲评订正。

(3)T再次播放磁带，Ss cross out the words you didn't hear,后讲评订正。

4. Let's wrap it up. Talk about the changes below.

Step 3: teacher-student interaction

Story time.

(1) T: Look, Zoom and Zip are talking about changes. What are they talking about? Let's read.

(2)观察主图，让学生阅读故事，了解故事大概,画出不理解的句子。

(3)听录音理解并仿读故事。

Step 4: Classroom tests

一、情境选择。

(   ) 1.你要说:过去我很安静，可以说:________

A. I was active before.      B.I was quiet before

(   ) 2.你想说:过去没有电脑，可以说：_______________

A. There was no computer then.  B. Then was no library.

(   ) 3.你想说:我们要帮助地球，可以说：_______________

A. We should cook food.    B. We should help the earth.

(   ) 4.你想问:你是怎么知道的？可以说：__________

A. How do you know that?    B. What do you like?

(   ) 5.你想说：从现在开始改变！可以说：_____________

A. We change now.    B. Heal the world.

(   ) 6.你想让对方介绍学校的情况，可以说：______________

A. Tell us about your school, please.    

B. Tell us about your library, please.

二、连词成句。

1. there/no /was /in /old/school/my /library (.)________________

2. us /tell/about/school/your (.)_________________________

3. how/you/ know / do / that (?)_______________________

4. were/there/no/Internet/computer/or/in/time/my (.)____________

5. I/like/didn't/winter/before (.)_________________________

三、阅读短文，判断正误。

    Hi, I'm Wang Tao. Now I live in Beijing with my parents. But five years ago I lived in Sichuan with my grandparents. I was shy and quiet then. I swam in the small river in summer. I played in the snow in winter. I missed my parents. Now I'm tall and strong. I often cook dinner after school. I like playing basketball and drawing pictures .Sometimes I go cycling with my parents. I miss my grandparents now.

(    ) 1. Wang Tao lived in Beijing five years ago.

(    ) 2. He is strong and tall now.

(    ) 3. He usually cook dinner after school.

(    ) 4. His parents live in Beijing now.

(    ) 5. He likes playing basketball and drawing pictures.

学生小结：这节课我学到了______________________

Step 5: Homework

1. 抄写并背诵本单元的四会单词及句子并写出汉语意思。

2.完成相关练习。

板书设计：

Unit 4 Then and now

It was raining.  In summer, the tree was green.

There was a building before.  The cat was on the chair.

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