Lesson 3 A computer has a keyboard 第2课时课件(共23张PPT)

(共23张PPT)
第2课时
Let’s learn&A game
Lesson 3
A Computer Has a Keyboard
科普版英 语 五 年 级 上 册
Warm up
Please introduce your computer
Review
computer
电脑
keyboard
键盘
mouse
鼠标
screen
屏幕
Lead in
Let’s learn
Presentation
Does a TV have a screen
Yes, it does.
---No, it doesn’t.
---No, it doesn’t.
---Does a TV have a mouse
---Does a TV have a keyboard
Let’s practice
Does a computer have …
Yes/No...
have和has都表示“有”。当主语为第三人称单数he 、she、it 及单个人名时 ，用“has”.
例：A computer has a keyboard.
key points
肯定句：主语+have/has+其他
否定句：主语+doesn’t+have+其他
一般疑问句结构：Do /Does +主语+have+其他。
肯定回答:Yes,he does!
否定回答:No,he doesn’t!
key points
Does a TV have a screen
Yes, it does.
疑问句
肯定句
否定句
A TV has a screen.
A TV doesn’t have a screen.
Let’s learn
Does a computer have a screen
Yes, it does.
疑问句
肯定句
否定句
A computer has a screen.
A computer doesn’t have a screen.
No, she doesn’t.
Does she have a dress
She has a dress.
Yes, she does.
She doesn’t have a dress.
疑问句
肯定句
否定句
No, he doesn’t.
Does he have a shirt
He has a shirt.
Yes, he does.
He doesn’t have a shirt.
疑问句
肯定句
否定句
It has a tail.
It doesn’t have a tail.
疑问句
肯定句
否定句
No, it doesn’t.
Does it have a tail
Yes, it does.
Let’s do it !
按要求改写句子
1.He has a TV.（改为一般疑问句）
___________________________
2.She has a cat.(改为否定句)
___________________________
Does he have a TV
She doesn’t have a cat.
New words
tall
mouth
eye
ear
A game
-I have a new friend. Please guess who he is.
-Is he tall
-No, he isn’t.
-Does he have big eyes
-Yes, he does.
-Does he have a blue cap
-Yes, he does.
-Oh, I know. He’s Lele.
A game
Read and point(读一读，指一指)
-I have a new friend. Please guess who he is.
-Is he tall
-Yes, he is.
-Does he have big ears
-Yes, he does.
-Does he have a purple shirt
-Yes, he does.
-Oh, I know. He’s …
Read and point(读一读，指一指)
A game
-I have a new friend. Please guess who he is.
-Is he tall
-No, he isn’t.
-Does he have a big mouth
-Yes, he does.
-Does he have a pair of glasses
-Yes, he does.
-Oh, I know. He’s …
Read and point(读一读，指一指)
A game
Let’s play a game!
游戏规则：
由五名同学参加，三名坐着，两名站着。一名站着的学生说I have a new friend. Please guess who he is. 另一名站着的学生猜，猜的同学根据坐着三名学生的特点最多只能问三个问题，如果问完后还猜不出来，就算输了。
一、看图片，写单词。
Exercises
tall
mouth
eye
ear
______
______
______
______
二、按要求完成下列各题。
1.You have a TV.(用he 改写句子)
He _______ a TV.
2.A computer has a keyboard.(改为一般疑问句)
____ a computer ______ a keyboard.
3.Does it have a mouse （否定回答）
__________________________
has
Does
have
No,it doesn’t.
七彩课堂
伴你成长
1. 学习有关身体部位的单词。
2. 学习了一般疑问句。
Does a computer have a mouse
--Yes, it does.
--No, it doesn’t.
Summary
七彩课堂
伴你成长
在练习本上书写本课新单词，并配图展示。
one
two
Homework
模仿A game 里的句子，描述朋友，并写下来。