人教新目标(Go for it)版七年级下Unit 4 Don't eat in class. Section A Grammar Focus-3c课件（36张PPT）

(共36张PPT)
Don’t eat in class
Unit 4
Section A
Grammar Focus-3c
Free talk
What can you do at school
or in the classroom
What can’t you do
We can
play computer games.
do homework in class.
listen to the teachers in class.
watch TV on school nights.
read a book.
wear hats in class.
ride bikes at school.
draw on the wall.
eat anything in class.
listen to music in class.
We can’t
arrive late for class = be late for class
B: No, we can't. We can’t
arrive late for class.
A: So, don’t arrive late for
class.
A: Can we arrive late for
class
.
A:Can we run in the hallways
B:No, we can’t. We can’t run
in the hallways.
A:So, don’t run in the
hallways.
hallway
＇
B:No, we can’t. We can’t
fight.
A:So, don’t fight.
A:Can we fight
A: Don’t chat in class.
B: We can’t chat in class.
A: Can we chat (聊天)in class
A: Can we eat in the
classrooms？
dining hall
B: No, we can’t .We can’t
eat in the classrooms.
We can eat outside. We
have to eat in the
dining hall.
A: So, don’t eat in the
classrooms.
A: Can we listen to music in the
classrooms
B: No, we can’t. We can’t listen to music
in the classrooms. But we can listen to it
in the music room.
A: So, don’t listen to music in the
classrooms.
A: Can we play basketball in the classrooms
B: No, we can’t. We can’t play basketball in the classrooms. We have to play it on the playground.
A: So, don’t play basketball in the classrooms.
Please play it on the playground.
Library Rules
Don’t talk.
__________________
__________________
__________________
3a Write the rules for the
school library.
Writing
Don’t eat or drink.
Don’t take photos.
方法指导：
1. 由图示可知都是一些禁止类的祈使句。
2. 可知应用“Don’t + 动词原形”句子。
Don’t listen to music.
Be quiet.
No food.
Discuss and make rules for the computer room in your school. slipper ( 鞋套)
Computer Rules
_______________
_______________
_______________
________________
________________
Group work
Report
Computer Rules
___________________________________
___________________________________
___________________________________
___________________________________
___________________________________
We must be quiet in the computer room.
Don’t eat or drink in the computer room.
Don’t run in the computer room.
Wear slippers in the computer room.
Clean the computer room every day.
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. __________________
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？
___________________________
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.
Grammar Focus
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
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.
肯定的祈使句：
Come in, please! 请进！
　 Sit down, please. 请坐。
　 Let's go home. 我们回家吧。
否定的祈使句是在动词前(即句首)加Don’t.
Don’t talk in class! 不要在课堂上讲话！
Don’t open the window! 别开窗！
Don’t be late for school! 上学别迟到
祈使句是表示请求、命令、建议等的句子。通常省略主语 ，谓语动词一律用 。根据句子语气的强弱，句末用 号或 号。
祈使句
原形
感叹
句
合作探究
you
一、祈使句的肯定式
1. 以 开头，简称 Do 型。
e.g. Come here. 到这儿来。
2. 以动词 开头，简称 Be 型。
e.g. Be quiet, please. 请安静。
行为动词原形
be
注意
有时可在祈使句的句首或句尾加上 ，使语气显得客气、有礼貌。如果在句尾加 ，应该用 与前句隔开。
e.g. Go this way, please. 请这边走。
please
please
逗号
二、祈使句的否定式
Do型和Be型的否定式是在句首加 。
e.g. Don’t sit here. 不要坐在这儿。
Don’t be late. 别迟到。
don’t
将下列句子翻译成英语。
1. 请看这幅图画。
2. 不要在教室里跑。
3.在图书馆保持安静。
Please look at the picture. / Look at the picture, please.
Don’t run in the classroom.
Be quiet in the library.
4. 让我们帮他。
5. 上课不要迟到。
6.禁止游泳！
Don’t be late for class.
Let’s help him.
No swimming!
以Let开头，简称Let型。
e.g. Let’s go! 咱们走吧!
以let开头的祈使句，其否定式有两种：
一种是直接在句首加don’t，另一种是“let + 宾语 + not +动词原形+ (其他)”。
e.g. Don’t let him go. 不要让他走。
Let’s not go there. 咱们别去那儿。
拓展延伸
“No+名词/动词 ing形式”表示禁止或规劝，常用于公共场所。
e.g. No photos! 禁止拍照！
No smoking！ 禁止吸烟！
祈使句用来表示命令、建议，但我们也
可以用can’t和have to ，must来表示。
E.g Don’t open the door.
You can’t open the door.
Please do your homework first.
You have to do your homework first.
Be on time for class ,please.
You must be on time for class.
Library Rules
Don’t talk.
__________________
__________________
__________________
Task1 Write the rules for the school library.
Don’t listen to music.
Don’t eat or drink.
Don’t take photos.
方法指导：
1. 由图示可知都是一些禁止类的祈使句。
2. 可知应用“Don’t + 动词原形”句子。
巩固达标
Be quiet (she/have to /in the library)
Q: Does she have to be quiet in the library
A: Yes, she does.
3b Use the words to make questions
about the rules. Then write
answers according to your school.
Writing
1. 根据例句，可知要求我们造一般疑问句并根据实际情况进行回答。
2. 先确定句子的主语。
3. 再确定用情态动词还是用助动词来构成疑问语序。
4. 根据实际情况做出肯定或否定回答，答语的主语要与问句保持一致。
方法指导
2. Eat (he/have to/in the dining hall)
Q: ________________________________
A: _____________
3. Listen to music (we/can/in the hallways)
Q: ________________________________
A: _____________
4. Wear a hat (we/can/in the classroom)
Q: _____________________________
A: ____________
Then answer the questions.
Yes, he does.
Does he have to eat in the dining hall
Can we listen to music in the hallways
No, we can’t.
Can we wear a hat in the classroom
No, we can’t.
At my dream school, we don’t have to come to school every day. …
We can eat in class. …
Group work
3c Make up five cool rules for your
dream school. Share your rules with
the class.
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
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. late, don't, for school, arrive
2. music, listen to, in the classroom, don't
3. eat, can't, in the classroom, we
Don’t arrive late for school.
Don’t listen to music in the classroom.
We can’t eat in the classroom.
Ⅲ. Form sentences. 组句
1. _______ fight with others.
A. Not B. No C. Don’t D. Doesn’t
2.---_____we eat in the dining hall ---Yes, we_____
A. Do, does B. Can, do C. Do, can D. Can, can
3. You can’t eat _____ outside.
A. at B. \ C. in D. on
4.Listen to music in hallways.(改为否定句)
listen to music in hallways.
5.Don’t arrive late for class.(改为同义句)
Don’t ______ _______ for class.
Don’t
be late
Homework
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.
...