Unit 4 Don’t eat in class Section A (Grammar Focus-3c)课件(共39张PPT)

(共39张PPT)
Unit 4
Don’t eat in class.
人教版七年级英语下册
Section A Grammar Focus-3c
To learn to use “can” for permission.
To learn to write the rules.
To learn to make questions about
rules and answer.
Objectives
Don’t smoke!
No smoking!
Warming Up
Tell your classmate what the rules should be.
Don’t fight.
No fighting!
Don’t run in the hallways.
Don’t arrive late for class.
We have to wear uniforms.
Don’t run in the hallways. Don’t fight.
What are the rules We must be on time for class.
Can we eat in the classroom No, we can’t, but we can eat in the dining hall.
Can we wear a hat in class Yes, we can. / No, we can’t.
Does he have to wear a uniform at school Yes, he does. / No, he doesn’t.
What do you have to do We have to be quiet in the library.
Grammar Focus
1. 不要在楼道里跑。
______________________________
2. 不要打架。
____________________
3. 有什么规则？
______________________________
4. 我们必须按时上课.
_______________________________
阅读Grammar Focus部分，完成下列句子。
Don’t fight.
Don’t run in the hallways.
What are the rules
We must be on time for class.
5. 我们可以在教室里吃东西吗？
_____________________________
6. 不能。但我们可以在餐厅里吃东西。
_______________________________
______________________________
7. 我们可以在上课的时候带帽子吗？
_____________________________
Can we wear a hat in class
No, we can’t, but we can eat
in the dining hall.
Can we eat in the classroom
8. 他在学校里必须穿校服吗？
_________________________________________
9. 是的，必须。/ 不，不必。
_________________________________
10. 你们必须做什么？
_______________________________
11. 在图书馆里我们必须保持安静。
____________________________________
Yes, he does. / No, he doesn’t.
Does he have to wear a uniform at school
What do you have to do
We have to be quiet in the library.
一、祈使句
1. 用法：一般以动词原形开头，表示请
求、命令、劝说、警告等。在祈使句
中，通常省略句子主语第二人称you。
探究乐园
2. 句子结构
(1) 肯定句：__________+ 其他
在餐厅里吃东西。
________________________________
在音乐教室里听音乐。
________________________________
骑自行车去上学。
________________________________
Ride the bike to school.
Eat in the dining hall.
动词原形
Listen to music in the music room.
(2) 否定句: _____ + _________+ 其他
不要和同学们打架。
_______________________________
不要在教室里打篮球。
________________________________
Don’t fight with your classmates.
Don’t play basketball in the classroom.
Don’t 动词原形
以let引起的句子 ____+ sb.+动词原形 让我们步行去上学吧。 ___________________
(4) No + 动词-ing形式。表示“禁止、规劝”
禁止停车！No Parking.
禁止吸烟！No Smoking.
Let
Let’s walk to school.
二、询问和讨论学校规则：
1. — 有什么规则？ — 我们必须保持安静。
__________________
_____________________
2. — 我们可以在上课的时候戴帽子吗？
________________________________
— 不可以。你可以在外面戴帽子。
___________________________________
What are the rules
We must be quiet.
Can we wear a hat in class
No, we can’t. You can wear a hat outside.
3. — 你们必须做什么事？
_______________________
— 我们必须穿校服。
________________________________
4. 他必须在校吃午饭吗？
__________________________________
We must wear the school uniforms.
What do you have to do
Does he have to eat lunch at school
Write the rules for the school library.
Library Rules
1.
2.
3.
4.
Don’t talk.
Don’t eat.
Don’t listen to music.
Don’t take photos.
3a
Use the words to make questions about the rules. Then write answers according
to your school.
Be quiet
Q: Does she have to be quiet in the library
(she/have to/in the library)
A: Yes, she does.
Eat
Q: ___________________________________________________________________________________________
(he/have to/in the dining hall)
A: __________________
Does he have to eat in the dining hall
Yes, he does.
3b
Listen to music
Q: ___________________________________________________________________________________________
(we/can/in the hallways)
A: __________________
Wear a hat
Q: ___________________________________________________________________________________________
(we/can/in the classroom)
A: __________________
Can we listen to music in the hallways
No, we can’t.
Can we wear a hat in the classroom
No, we can’t.
1. We can eat in class.
2. We don’t have to come to
school every day.
3. …
Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the Coolest School!
At my dream school, we don’t have to come to school every day. We …
3c
At my dream school, we don’t have to come to school every day. …
We can eat in class. …
We don’t have to wear school uniforms. …
We can listen to music in class. …
We can eat in the classroom. …
We don’t have to do homework. …
At my dream school, we don’t have to come to school every day. We can eat in the classroom.
We can listen to music in class.
We don’t have to do homework.
We don’t have to wear school uniforms at school.
Report
Make our school rules
Dear students:
In order that we can have a good environment (环境) , we should have some rules in our school. Here are some suggestions. We hope that all of us can have a look at them.
1. Don’t sleep in class.
2. Clean the classroom every day.
3. __________________________
4. __________________________
5. __________________________
6. __________________________
Yours ____
have to 的用法
have to意思是“必须、不得不”, 它侧重于
客观上的必要和外界的权威。
1) 结构: 主语＋have to＋动词原形＋其他
(一般现在时, 主语是第三人称单数时,
用has to; 句子是过去时, 用had to.) 如：
Language points
We have to wear sneakers for gym class.
在体育课上, 我们必须穿运动鞋。
Tom has to practice the guitar every day.
汤姆每天必须练习弹吉它。
I had to get up at 5:00 am last Monday.
上周一, 我不得不早上5点起床。
2) 否定形式: 主语＋don’t have to＋动词原形
＋其他(一般现在时, 主语是第三人称单数时,
用doesn’t have to; 句子是过去时, 用
didn't have to)
e.g. Nick doesn't have to wear a uniform.
尼克不必穿校服。
We didn't have to do our homework at once.
我们不必马上完成作业。
3) 疑问句: Do (Does 或 Did)＋主语＋
have to ＋动词原形＋其他
如: --Do you have to stay at home on weekends
--Yes, I do. / No, I don't.
周末你必须待在家里吗？
是的, 我必须。/ 不, 我不必。
Did he have to go to bed by 11:00 last night
昨晚, 他不得不11点上床睡觉吗？
Ⅰ.用所给单词的适当形式填空。
1. Don’t ________(listen) to music in the library.
2. Do we have to ________(clean) the room
every day
3. You can’t ________(wear) sunglasses in
the classroom.
4. Please ________(arrive) at school on time (准时).
5. John is often late for _______ (class).
class
listen
clean
wear
arrive
Exercises
Ⅱ.将下面的句子改为祈使句，每空一词。
1. You can come in.
______ ____, please.
2. I can help you.
_____ me ______ you.
3. You can’t eat in class.
_______ _____ in class.
4. You can’t be late for school.
______ ____ late for school.
5. You can’t take photos here.
_____ photos here.
Come in
Let help
Don’t eat
Don’t be
No
1. -- Can the students eat in the classroom
(作否定回答)
-- No, ___________.
2. Bill has to play sports every morning.
(改为一般疑问句)
_____ Bill _____ ___ play sports every
morning
they can’t
Does have to
Ⅲ.按要求完成句子，每空一词。
3. You can’t wear a hat in class.
(改为祈使句)
______ ____ a hat in class.
4. He has to see his grandparents on
weekends. (对划线部分提问)
What _____ he ____ ____ ____ on
weekends
5. Come in, please. (改为否定句)
_____ _____ in, please.
Don’t wear
does
have to do
Don’t come
1. 我们必须按时到校。
We must arrive at school ___ _____.
2. 你能把你的电子游戏带到学校来吗？
Can you _____ your computer game ___ 　　　
school
on time
bring
Ⅳ.根据所给汉语完成英语句子，每空一词。
to
3. 周末迈克经常在外面吃饭。
Mike often ____ ________ on weekends.
4. 星期天你不必早起。
You _____ _____ ___ get up early on
Sundays.
5. 不要在走廊里乱跑。
Don’t run ___ ____ ________.
eats outside
don’t have to
in the hallways
中考链接
You _________ always be careful with electricity for safety.
A. must B. can
C. mustn't D. can't
【2019·辽宁】
A
— ______ I take the magazine out of the
reading room
— I’m sorry you _______.
A. Could; couldn’t B. Must; couldn’t
C. will; can’t D. May; can’t
【2019·贵州黔南三州】
D
Write down ten sentences about
what you can or can’t do in your
house.
We can’t eat in bed.
We can’t fight.
...