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Unit 4 At the farm
PA Let’s learn
教学目标
1. 能够听、说、认读单词tomato, potato, carrot, green bean及其复数形式。
2. 能够熟练运用上述单词并运用句型They’re… 描述蔬菜特征。
3. 能够在图片的帮助下理解、说唱Let’s chant中的内容。
重点：听、说、认读四个表示蔬菜类的单词及其复数形式；并运用句型They’re… 描述蔬菜特征。
难点：名词的复数形式变化。
教学过程
Step 1. Warm-up
1. Let’s sing. PPT 播放歌曲These are apples， 学生跟唱，引入学习话题。
2. Ask and answer. 呈现图片和核心句型What are these Are these… 两人之间开展会话练习。21教育网
Step2. Presentation and practice
1. Lead-in. 呈现农场情景图， ( http: / / www.21cnjy.com )并引入话题：Mr White has a big farm. You can see many vegetables there.www.21-cn-jy.com
2. Let’s learn.
1） 呈现西红柿图片和问句What’s t ( http: / / www.21cnjy.com )his 引导学生回答It’s a tomato. 然后呈现许多小西红柿和问句：What are these 引导学生回答They’re tomatoes. They’re so small.
( http: / / www.21cnjy.com )
2）运用音节划分的方式记忆单词并掌握正确发音。接着呈现单词单数形式，单词复数形式，句子。让学生大声读出来。21cnjy.com
( http: / / www.21cnjy.com )
同样的方法学习potato, carrot, green bean，onion及其复数形式。
2. Watch and learn. 观看视频 Let’s learn。看、听、模仿跟读单词和短语。
根据班级情况可多次听音跟读，以把握正确的语音和语调。
3. Practice
1) Fill in the blanks. 根据看、听内容补全句子。
( http: / / www.21cnjy.com )
2) 音义匹配。根据发音，快速说出单词的汉语意思。
3) Guessing game. 呈现部分图片，让学生猜测说出对应的单词。
Step 3. Consolidation
1. Sum-up. 总结本课生词的单复数形式，引导学生注意名词tomato和potato的复数形式变化。21·cn·jy·com
( http: / / www.21cnjy.com )
2. Vegetable or fruit 游戏活动。闪现图片，学生快速判断并说出：Vegetable.或Fruit.
3. Let’s chant.
1) 呈现所学单词的单复数形式及Let’s chant中的句子，学生大声朗读。
( http: / / www.21cnjy.com )
2）Watch and follow. 播放Let’s chant, 听、读并练习说唱。
4. Summary.
( http: / / www.21cnjy.com )
4. Exercise. Look and fill.
Step 4. Homework
1.听录音跟读本课单词和句子，并在四线格上正确抄写单词。
2.练习Let’s chant，小组内开展说唱比赛。 21世纪教育网版权所有
3.完成同步练习。
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Unit 4 At the farm
PA Let’s learn
Let’s sing
A:What are these
B:They’re_________.
A:Look at these . Are these_____
B:Yes,they are.
/ No, they aren’t. They’re_____.
Ask and answer
Mr White has a big farm.
You can see many vegetables there.
Lead-in
It’s a .
tomato
Let’s learn
What’s this
What are these
They’re tomatoes.
They’re so small.
Let’s learn
to
to
ma
es
tomato
tomatoes
I like tomatoes.
It’s a .
potato
Let’s learn
What’s this
What are these
They’re potatoes.
They’re big.
Let’s learn
po
to
ta
es
potato
potatoes
I like potatoes.
Yes, it is.
carrot
Let’s learn
Is this a
Are these carrots
Yes, they are.
They’re orange/nice.
Let’s learn
ca
rrot
s
carrot
carrots
I will try.
What are these
Let’s learn
Are these green beans
Yes, they are.
They’re so long.
Let’s learn
green
beans
beans
green beans
I love to eat
green beans.
It’s an onion.
Let’s learn
What’s this
Are these anions
Yes, they are.
Let’s learn
on
on
i
s
onion
onions
Onions make me cry.
Sarah, Mike and John are at the farm. What are they talking
Let’s watch
1. The green beans are so ________!
2. The _________ are big.
long
potatoes
Fill in the blanks
根据发音，快速说出汉语意思。
音义匹配
tomatoes
potatoes
Guessing game
carrots
green beans
Guessing game
tomatoes
potatoes
carrots
green beans
onions
tomato
potato
carrot
onion
Sum-up
名词单数
名词复数
Vegetable or fruit
Play a game
Let’s read
tomato
tomatoes
I like tomatoes.
potato
potatoes
I like potatoes.
carrot
carrots
I will try.
bean
I love to eat
green beans.
green beans
onion
onions
Onions make me cry.
Let’s chant
蔬菜类名词
tomatoes potatoes
green beans carrots
onions
描述物品特点
They’re (so) ____
形容词 big/small/long/…
课堂小结
Eating more vegetables and fruit is good for your health.
多吃蔬菜和水果有益身体健康。
_o_ ato _ o_ ato _nion
c_ rrot f _ _m green b _ _n
ea
o
ar
a
t
s
s
es
es
p
t
m
s
Look and fill
Homework
1.听录音跟读本课单词和句子，并在四线格上正确抄写单词。 2.练习Let’s chant，小组内开展说唱比赛。
3.完成同步练习。登陆21世纪教育 助您教考全无忧
Unit 4 At the farm
PA Let’s learn同步练习
一、根据图片，补全单词。
t_ m_t_es gr_ _n b_ _ns c_rr_t_s p_t_to_ _
二、 选出不同类的单词。
( )1. A. these B. those C. it
( )2. A. tomato B. potato C. pear
( )3. A. big B. long C. green
( )4. A. tomatoes B. cats C. onions
三、读句子，圈出正确的单词。
John: Sarah, what (is / are )these
Sarah: They’re green (bean/ beans).
John: Are (this/ these) onions
Sarah: (Yes/ No), they’re potatoes.
John: Wow! (It / They ) are so big.
四、读一读，填一填。
1. I like ______. Tasty and brown. A.
2. I like _______. Juicy and red. B.
3. I like ______. long and green. C.
4. I like _______. Yummy(美味) and orange. D.
5. I don't like _______. Smelly and purple（紫色的）. E.
五、连词成句， 注意标点和大小写。
1. apples, they, are ( )
_____________________
2. potatoes, are, these ,big (.)
____________________
3. don’t, onions, I, like (.)
_______________________
4. at, green, look, beans, the (.)
_________________________
参考答案
一、 1. tomatoes 2.green beans 3.carrots 4. potatoes21世纪教育网版权所有
二、1. C 2. C 3. C 4. B
三、 are; beans; these; No; They
四、1. B 2. C 3. E 4. D 5. A
五、1. Are they apples
2. These potatoes are big.
3. I don’t like onions.
4. Look at the green beans.
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