Unit 4 At the farm Part A let's learn 优质课件

(共32张PPT)
Unit 4 At the farm
Part A2
人教版（PEP）四年级下册
Warm up
Let’s enjoy
Vegetable song!
Game time
a-p-p-l-e
g-r-a-p-e
b-a-n-a-n-a
p-e-a-r
v-e-g-e-t-a-b-l-e
t-o-m-a-t-o
Let’s learn
Lead in
What’s the song about
vegetable
vege-table
Where can you see many vegetables
At the farm.
Lead in
farm
Children, let’s go to the farm today.
Great!
Presentation
Look at the green beans. They’re so long!
Yes, and the potatoes are big.
tomatoes
carrots
potatoes
green beans
Explanation
以 o 结尾的可数名词单数如何变成复数
Yes, and the potatoes are big. 是的，这些土豆很大。
一般来说，表示有生命的事物的名词后加 es。
例如： potato — potatoes 土豆，tomato — tomatoes 西红柿，hero — heroes 英雄
表示无生命的事物的名词后加 s。
例如：photo — photos 照片，piano — pianos 钢琴， radio — radios 收音机，zoo — zoos 动物园。
注意：kangaroo (袋鼠) 虽然也表示有生命的事物，但它变复数时在词尾加 -s，即 kangaroos。
Presentation
tomatoes
This is a tomato.
They’re tomatoes.
加上 es 变复数
tomato
tomatoes
Presentation
Look at the tomatoes.
They are so big.
Presentation
potatoes
This is a potato.
They’re potatoes.
加上 es 变复数
potato
potatoes
Presentation
Look at the potatoes.
They are so small.
Presentation
carrots
This is a carrot.
They’re carrots.
加上 s 变复数
carrot
carrots
Presentation
Look at the carrots.
They are so short and fat.
Presentation
green beans
What are these
They’re green beans.
Presentation
Look at the green beans.
They are so long.
tomatoes
tomatoes
Play a game
potatoes
potatoes
green beans
green beans
carrots
carrots
（ ）
（ ）
1
3
Listen, number and match
Practice
（ ）
4
（ ）
2
carrots
potatoes
green beans
tomatoes
Look and say
Look at the _________.
They’re _______.
Yes, and the _____________.
tomatoes
carrots
potatoes
green beans
green beans
so long
potatoes are
big
Group work
Ask and answer
What are these
They’re ...
Presentation
onions
单数：onion
This is an onion.
These are onions.
元音开头， 一个要用 an
I like __________.
I like __________.
_________ I will try.
I love to eat _____________.
But _________ make me cry.
Practice
Let’s chant together!
tomatoes
potatoes
Carrots
green beans
onions
尝试
tomato→
potato→
carrot→
onion→
green bean→
tomatoes
potatoes
carrots
onions
green beans
“O” 结尾， 加 es
一般情况，加 s
Practice
写出下列单词复数形式，
并说说有什么特点。
Practice
Look at the onion. It’s so big.
Look at the potatoes.
They’re small.
两人一组
看图说话
Let’s chant
Presentation
I like tomatoes.
I like potatoes.
Carrots I will try.
I love to eat green beans,
But onions make me cry.
Summary
tomatoes
potatoes
carrots
green beans
Thanks!
所有素材均来自网络，如有侵权，请联系我们删除。