七年级英语人教版下课件：Unit4 Don’t eat in class Section A（3a-3c）（共20张PPT）

课件20张PPT。Unit 4
Don’t eat in class.
Section A (3a-3c)Don’t eat in the classroom.Can we eat in class?
No, we can’t.Don’t listen to music in the classroom.Can we listen to music in the classroom?No, we can’t.We can listen to music at home.学习目标
1.掌握祈使句的用法。（Do sth. /Don't do sth.）
2.能正确使用have to和must谈论规章制度。（重点）gf朗读、对话练习P21 GF(7min),完成下列自学检测题。补全下面句子。
1.-不要在走廊里奔跑。_____ run in the hallways.
-不要打架。Don’t_____.
2.–规则是什么？-____ are the ____ ?
-我们必须按时上课。We ____ _____ _____ _____ for class.
3.–我们可以在教室里吃东西吗？-____ we ____ in the classroom?
-不，我们不可以，但可以在餐厅吃。
-_____，____ _____ ，but we ______ eat in the dining hall.
4.–我们可以在课堂上戴帽子吗？-____ we ____ ____ _____in class?
- 是的，我们可以。/不，我们不可以。-__,____ ____./____，____ _____.
5.–他不得不在学校穿制服吗？
-Does he___ ___ wear a uniform at school?
-是的，他不得不。/不，他不用。-__,____ ____./____，____ _____.
6.–你们不得不做什么？-What do you____ ____do?
-我们不得不在图书馆里保持安静。-We____ ____ ___ ___in the library.Don'tfightWhatrulesmust be on timeCaneatNowe can'tcanCanwear a hatYes we canNo we can'thave toYes he doesNo he doesn'thave tohave to be quietCan we arrive late for class? Don’t arrive late for class. Don’t be late for class.No, we can’t.Don’t eat in the class.Can we eat in the class?No, we can’t.You can eat in the dinning room.Yes, we do.Do you have to do homework after class?We have to do homework after class.Do you have to do some reading every day?Yes, we do.We have to do some reading every day.Write the rules for the school library.Library Rules1.2.3.4.Don’t talk. Don’t eat. Don’t listen to music. 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。3a
Don’t walk.Do you know these signs in a city?
What do they mean?Walk. Run.Don’t run.Don’t turn left.No smoking. Be careful!No parking!祈使句
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。句子结构:
(1) 肯定句：__________+ 其他动词原形 (2) 否定句: _____ + _________+ 其他Don’t 动词原形(3)以let引起的句子 ____+ sb.+动词原形
(4) No + 名词 No photos. 禁止照相！
No + 动词-ing形式 No smoking.禁止吸烟！LetBe 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.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: ________________Yes, he does.Does he have to eat in the dining hallCan we listen to music in the hallwaysNo, we can’t.Can we wear a hat in the classroomNo, we can’t.Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the coolest school!(3 minutes for preparation)为你梦想中的学校制定5个很酷的规则。与全班同学分享。你的同班同学投票决定最酷的学校！At my dream school, we don't have to come to school every day.we...1.we can eat in class.
2.we don't have to come to school every day.
3. ....pair-worksummary
规章制度的表达：
1.祈使句：Do sth.
Don‘t do sth.
Let+sb.+动词原形.
No +名词/动词-ing
2. have to后面要跟 动词原形 ， 有人称、数和时态的变化，表示受客观条件限制“不得不去做某事”。
3.must的意思是 必须 后跟动词原形,没有人称，数和时态的变化，表示受主观条件的影响自觉去做某事。选择题（每题2分，共5题）
( )1.Students ____wear school uniforms on weekdays. This is the rule of our school.
A. can B may C must D will
( )2.—Can we listen to music here?
—____.Listening to music is not allowed in the library.
A Yes,we can. B Yes,we can’t. C No,you can’t. D No, you can.
( )3. Mary,_____ in bed.
A not read B don’t read C not reading D doesn’t read
( )4. _____ eat food in the classroom.
A Not B Can’t C Don’t D Aren’t
( )5.Bob can’t come out to play because he ____help Dad in the garden.
A can B can not C has to D must
选做题：
( )How nice you are! You always do what you can ______ others.
A. help B. helping C. helps D. to help CCBCDDThe end !
Thank you !