(共26张PPT)
小学英语·人教PEP版·四年级下册
Unit 4 At the farm
Period 2
Part A Let's learn & Let's chant
Warm-up
Ask and answer
A: Are these …
B: Yes, they are. /No, they aren't.
A: What are these？
B: They’re...
你“话”我猜
T:（抽到“西红柿”卡片，并展示给S1看）
S1：They’re yellow.
S2：Are these oranges？
S1：No,they’re vegetables.
S2：Are these tomatoes？
S1：Yes,they are.
Presentation
Let's learn
Yes,and the potatoes are big.
Look at the green beans.They’re so long!
tomatoes
potatoes
green beans
carrots
Fill in the blanks.
The tomatoes are _______.
The potatoes are _______.
The green beans are so _______.
The carrots are so _______.
long
big
red
yellow
例句
书写
形近
potato马铃薯；土豆
Are these tomatoes
这些是西红柿吗？
tomato
西红柿
复数
tomatoes
Language points
例句
书写
复数
potatoes
These potatoes are big.
这些土豆真大。
potato 马铃薯；土豆
音节
po· ta·to /p · te ·t /
例句
书写
巧记
green（绿色的）+ beans（豆子）
= green beans
My favorite vegetable is green beans.
我最喜欢的蔬菜是豆角。
green beans
（名词词组）豆角；四季豆
单数
green bean
例句
书写
联想
Do you have any carrots？
你有胡萝卜吗？
carrot
胡萝卜
复数
carrots
rabbit 兔子
记忆方法
歌谣记忆法
本课时学习的有关蔬菜的名词及词组可以通过以下歌谣来帮助记
忆，如：
金秋已来到，蔬菜收获了。tomato红又圆，味道酸中带甜。
potato泛金光，它在地里藏。green beans长得长，绿色又健康。
carrot红或黄，营养如宝藏。我爱吃蔬菜，蹦蹦跳跳真愉快。
以字母O结尾的可数名词变复数的一般规律：
以o结尾有生命的加es；
以o结尾无生命的加s。
tomato
tomatoes
For example：
potato
potatoes
photo
photos
radio
radios
Listen and match.
tomatoes
potatoes
green beans
carrots
Ask and answer.
What are these
They’re green beans.
Are these tomatoes
No,they aren’t.
Let's chant
I like tomatoes.
I like potatoes.
Carrots I will try.
I love to eat green beans,
But onions make me cry.
Word list
eat 吃
What‘s your favorite vegetable
Try to talk about it.
My favorite vegetable is ...
They’re ...
carrot
apple
pear
green beans
strawberry
tomato
potato
banana
抢答比赛
Practice
找朋友
I have a “carrot”.
I have an “s”.
We are friends!
s
carrot
s
carrot
Exercise
一、选出每组中正确的一项。
（ ）1. A. tomatoes B. tomatos C. radioes
（ ）2. A. potatos B. photoes C. potatoes
（ ）3. A. green beans B. carrotes C. oniones
A
C
A
二、单项选择。
( )1. Look at the apples. ______ so big!
A. They B. They're C .These are
( )2. The ______ are red.
A.tomatoes B. potatoes C.tomatos
B
A
( )3. I like ______ and ______.
A. carrots; green bean
B. carrot; green beans
C. carrots; green beans
( )4. I love to eat ______.They‘re yum.
A. potato B. potatoes C. potatos
C
B
Homework
熟记本课时所学的名词和词组，并和同桌互相抽查单词掌握程度。
练习Let’s learn环节对蔬菜特征的表达。
和同桌练习描述蔬菜特征的对话。
Thanks for listening!
