登陆21世纪教育 助您教考全无忧
PEP Book4 Unit4 At the farm Part(A) Let’s learn
教学目标与要求
1.能听、说、认、读单词：tomatoes，carrots，potatoes，green beans.
2.能用形容词描述蔬菜的特点，并对蔬菜作出评 ( http: / / www.21cnjy.com )价，如：Look at the green beans. They're so long! The potatoes are big.21cnjy.com
重点 本课时需要重点掌握农场上常见的蔬菜的名称及其复数形式的变化。
难点 tomato, potato复数形式的变化。
教具 单词卡片，蔬菜实物（条件允许时），PPT，etc
教学环节 师生活动
Preparation准备活动
1.复习三下Unit3 B Let’s do.
Big,big.Make your eys big.
Long,long.Make your arms long.
…
2.口语交际，由讨论天气过渡到本单元口语话题。
E.g.What’s the weather like today Is it warm
T：What a lovely day! Let’s go to the farm.21教育网
T：I love vegetables very much.
Do you love vegetables？21世纪教育网版权所有
What vegetables do you know
引导学生说出自己所了解的有关蔬菜的单词，如果学生说出本课涉及单词，
教师随即拿出卡片，请这位同学来教大家读。21世纪教育网版权所有
教学环节 师生活动
Presentation新知呈现
出示幻灯片水果图片，询问A ( http: / / www.21cnjy.com )re they fruits Yes, they are.出示蔬菜图片问：Are they fruits No, they aren’t. They are vegetables. 出示Jone, Zhang peng 和Mike去农场的图片，教师问：Do you want to have a look 引出farm农场。
Let’s learnwww.21-cn-jy.com
1. Teach “carrot（s)-yummy”
1) T: Let’s ( http: / / www.21cnjy.com )play a guessing game: It’s a kind of vegetables. It’s orange. The rabbits like it very much. What’s it 【来源：21·世纪·教育·网】
Ss can answer it bo ( http: / / www.21cnjy.com )th in Chinese and English. Then T will show the word card and the picture and drill it. T will lead activity and pick some S group to read.
T: Then let’s count ( http: / / www.21cnjy.com ) the carrots in the picture. (e.g., One carrot, two carrots… many carrots.) 21*cnjy*com
教师出示word card “carrots” 并张贴，教师带读，抽查2小组读。
2) I like carrots. They are yummy.（出示单词卡，背面注上中文，抽读个别学生，教师带读新单词。)21教育名师原创作品
趣味拍手操练chant:
I like carrots. I ( http: / / www.21cnjy.com ) like carrots. Yummy, yummy, yummy.（师生示范chant，学生之间pair work。）www-2-1-cnjy-com
2. Teach “Green beans-long”
1) T: Show a picture ( http: / / www.21cnjy.com ) of “green beans” and ask “what are these Are they carrots
Ss: No, they aren’t. They are green beans.（教师启发）
Ss show the word card and drill it.
趣味拍手操练:
3.Look at the gree ( http: / / www.21cnjy.com )n beans. They’re long. (Show two green beans and compare them.）【版权所有：21教育】
Show the word card “long” and let Ss read it.
3. Teach “tomato(es)-juicy”
1) Show a bag.
T: I have a bag. Th ( http: / / www.21cnjy.com )ere is something in it. Who wants to come to the front and taste Be brave!2·1·c·n·j·y
2) Close your eyes. Open your mouth. What’s it
当学生得出答案时，教师出示实物及单词，逐步引出one tomato，two tomatoes，从而引出tomato的复数形式。【出处：21教育名师】
3) Play the finger exercises. 请学生看老师的手指数量来判断应该使用tomato还是tomatoes。21*cnjy*com
4) Show tomatoes.
T: Look at the tomatoes. What color are they？
Ss: They are red.
T: Yes. They’re red and juicy.
教师用手掰开西红柿并展示词卡。
Then ask the boys and girls to repeat it.
趣味拍手操练:
I like tomatoes, I like tomatoes, juicy, juicy, juicy.21·cn·jy·com
4. Teach “potato(es)-tasty”
1) Show a bag.
T: Look at the ( http: / / www.21cnjy.com )bag. Can you touch and guess “Which one is the potato ”
Ss touch it and try to find out the potato.
通过这个“摸一摸”游戏，引出新单词potato，然后出示单词卡，让学生认读。接着引导学生数一数共有多少个potato。21世纪教育网版权所有
2) Play a short game “High and low”.
巩固操练potato的读音。
3) Show the true potatoes.
T: Look at the toma ( http: / / www.21cnjy.com )toes. They’re red. Look at the potatoes. They’re brown.
编一个chant巩固知识：
Tomatoes, tomatoes, “t” is for tomatoes.
Potatoes, potatoes, “p” is for potatoes.
带领学生分小组一起吟唱。
4) T: When the potatoes become fries, they’re tasty.【来源：21cnj*y.co*m】
趣味拍手操练：
I like potatoes, I like potatoes, tasty, tasty, tasty.
5) T shows two potatoes and compare them.
T: Look! This potato is big.
T shows the word card “big” and let Ss read it.
教学A.Let's learn
(1)教师播放第一遍录音，让学坐边听录音边指向相应的图.
(2)教师播放第二遍录音，让学生边听录音边跟读。
(3)学生两人一组，进行对话。
教学环节 师生活动
Practice巩固练习
1.赛一赛，看谁认读得又快又准。教师手持卡 ( http: / / www.21cnjy.com )片，快速出示卡片要学生认读，哪个同学认读又快又准给该组奖励一个水果图片。
2.猜一猜游戏 只露出一点点图片，让学生猜What are these 回答：They are ……..猜对得给组加分奖励，激起学习英语兴趣。
3.在学生都已熟练的情况下，教师进行更难的闯关“What’s missing ”观察哪个单词消失了，答对得给相应的奖励，打错的扣一奖励。
4.播放flash 动画学习回归课本内容，让学生跟着动画认读，并要求学生开口描述蔬菜的特征，描述自己喜欢吃的蔬菜。21·世纪*教育网
教学环节 师生活动
Production输出运用
教学A．Let's chant
(1)先用图片教学onion ( http: / / www.21cnjy.com )s，然后引出chant中的句子：I like tomatoes.I like potatoes.I like carrots.I like onions.要求学生用不同的单词替换着说。
(2)教师作喜欢吃的样子说：Carro ( http: / / www.21cnjy.com )ts l will try. Tomatoes l will try. Green beans I will try.I love to eat carrots.I love to eat tomatoes.I love to eat green beans.要习之学生用喜欢的表情模仿着说。2-1-c-n-j-y
(3)教师拿着onions，揉揉眼睛说：But onions make me cry.
让学生观察歌谣中like后的蔬菜单词和 ( http: / / www.21cnjy.com )Let’s learn中的单词有什么不同。启发学生说出like后的名词是以复数形式出现的。教师适当强调tomato和potato的复数形式拼写的变化，carrot的复数形式读音的变化。
2．活动：会说话的汤姆猫
活动方式：要求学生学汤姆猫用滑稽的声音完整地复述教师说的话，将Let’s chant的内容演绎出来.
3.活动：分享“开心农场”的瓜果
教师出示“开心农场”即将丰收的场景介绍说 ( http: / / www.21cnjy.com )：Look at the potatoes. They’re so big! They're so good. .然后要求学生模仿着说。教师可给学生提供一些形容词，如：big/long/yum/good/nice/等。
板书设计
Unit 4 At the farm Part A Let’s learn
Loot at the green beans/carrots. They're so long!
The potatoes/ tomatoes are big.
教学反思
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
21世纪教育网 www.21cnjy.com 精品资料·第 1 页 （共 5 页） 版权所有@21世纪教育网登陆21世纪教育 助您教考全无忧
同步练习
一、读一读，连一连。
A. I like carrots. They’re fresh and orange.
B. I like tomatoes. They’re yummy and red.
C. I like green beans. They’re long and green.
D. I don’t like onions. They’re smelly and white.
E. I like potatoes. They’re big and brown.
二、写出下列单词的复数形式。
tomato onion pig duck
carrot potato rabbit cat
sheep hen horse goat
参考答案
一、
A. I like carrots. They’re fresh and orange.
B. I like tomatoes. They’re yummy and red.
C. I like green beans. They’re long and green.
D. I don’t like onions. They’re smelly and white.
E. I like potatoes. They’re big and brown.
二、
tomatoes onions pigs ducks
carrots potatoes rabbits cats
sheep sheep hens horses goats
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
21世纪教育网 www.21cnjy.com 精品资料·第 1 页 （共 2 页） 版权所有@21世纪教育网登陆21世纪教育 助您教考全无忧
PEP Book 4 Unit4 At the farm Part(A) Let’s learn
【学习目标】
1.能听、说、认、读单词：tomatoes，carrots，potatoes，green beans.
2.能用形容词描述蔬菜的特 ( http: / / www.21cnjy.com )点，并对蔬菜作出评价，如：Look at the green beans. They're so long! The potatoes are big.21世纪教育网版权所有
【学习过程】
【预习交流】
1. 预读课文，看看哪个单词是你没见过的？划出来吧。听一听录音，找出读不准的地方，做出标记，请教一下老师吧。21cnjy.com
通过预习，你还有哪些不懂的地方？请写在横线上。
2. 预习情况交流：
小组交流课前准备情况，向同伴请教不会读或不明白的地方，课上注意听老师讲解。
【新知探究】
1. Let’s sing.
2. 学习新知。
tomato------ tomatoes potato ------ potatoes21教育网
carrot--- carrots green beans
3. 课堂练习。
【达标练习】
一. Make a report.(小小播音员)
Good morning. My name is...... I like potatoes…… They are fresh……
二.听音,判断正误。
( ) ( ) ( ) ( )
三.请根据例子将下列反义词配对。
big, bad, short, fat, cold
thin, good, tall, hot, small
例:good-bad
1. 2.
3. 4.
参考答案
一、省略
二、
1.I like potatoes.They are big.( × )
2.I like tomatoes.They are long.( × )
3.I don’t like onions.They make me cry.( √ )
4.I like carrots.They are long.( √ )
三、
1. big-small
2. tall-short
3. hot- cold
4. fat-thin
【课后反思】
通过本课学习，你还有那些不懂之处？
_________________________________________________________________
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
21世纪教育网 www.21cnjy.com 精品资料·第 1 页 （共 3 页） 版权所有@21世纪教育网(共28张PPT)
Unit 4 At the farm
A let’s learn
Let's do
What a lovely day!
Let’s go to the farm.
Do you love vegetables
What vegetables do you know
Sarah,John and Mike are at the farm.
Guess
It’s a kind of vegetables.
It’s orange.
The rabbits like it very much.
What’s it
carrot
/ /: carrot cat bag hat
/ /
/ /
carrot
E,e,What are these
_____________
carrots
Carrots,carrots,
They are carrots.
I like carrots. I like carrots.
Yummy, yummy, yummy.
Carrots I will try.
These are green beans.
They are so ______.
long short
big small
red fresh
sweet...
I love to eat green beans.
What are these
long
beans—green beans
Look at the green beans.
They are so long！
I love to eat green beans.
tomato
E,e,What are these
_____________
Tomatoes,tomatoes,
tomatoes
They are tomatoes.
These are tomatoes.
They are so ______.
long short
big small
red fresh
sweet...
I love to eat tomatoes.
What are these
big
I like tomatoes.
Tomato, tomatoes
Look at the tomatoes.
They are so ....！
potato
E,e,What are these
_____________
Potatoes,potatoes,
potatoes
They are potatoes.
These are potatoes.
They are so ______.
long short
big small
cute fresh
ugly...
I love to eat potatoes.
What are these
big
potato, potatoes
Look at the potatoes.
They are so ....！
I like potatoes.
Let's learn
green bean
potato
tomato
carrot
s
es
s
es
Let’s hold the words become the plural form.
绿色圃中小学教育网http://www.lspjy.com
Let’s play a game 我来描述你来猜
---What are they？
---They are potatoes.
---What are they？
---They are tomatoes.
/z/: potatoes tomatoes cucumbers onions .
What’s missing
Let's chant
I like tomatoes.
I like potatoes.
Carrots I will try.
I love to eat green beans,
But onions make me cry.
Let's chant
Let’s make a chant
What are they
What are they
Potatoes , potatoes.
They are potatoes.
...
Group work: Four students in a group, choose(选择） one picture and make a similar chant.
1
2
3
4
I go to the farm.
I see many vegetables.
I can see . They are orange.
I can see . They are long.
I can see . They are red.
I can see . They are so big.
We are very happy.
What a beautiful day!
carrots
green beans
tomatoes
potatoes
Fill in the blacks
The potatoes are big.
They are so good.
Look at the green beans.
They’re so long.
Bye bye！
Thank you!
