Unit 4 Don't eat in class. Section B (3a~Self Check) 课件(共24张PPT) 2023-2024学年人教版英语七年级下册

(共24张PPT)
Unit 4
Don’t eat in class.
Section B (3a~Self Check)
新课导入
Free Talk
What are the rules in your home
What are the rules in your classmates' homes
1
2
能熟记并能正确运用本课时的重点单词和短语
能运用情态动词can, can’t, have to, must来介绍自己家的家规
3
能掌握本单元所学句型
预习检测
1. — Why are you walking so fast
— Because I ________ get home to do my work.
A.have B.go to C.have to D.has to
2. — Can we go to the movies, Mum
— Certainly, but you ________ be back by ten o’clock.
A.can B.may C.could D.must
3.I want to learn ________ this summer.
A.swims B.swim C.to swim D.to swims
C
D
C
4. — We must be strict ________ ourselves.
— I think so.
A．with B．on C．in D．by
5. — Today is Sunday, isn’t it
— Yes. There are ________ people in the supermarket.
A．too much B．much too
C．too many D．many too
A
C
知识梳理
Language points
keep + 名词/代词 + 形容词
意为“保持处于……状态”
e.g. We must keep our classroom clean every day.
我们必须每天保持教室干净。
How can you keep the fruit fresh
你是怎样保持水果新鲜的？
Language points
2. learn 学习；学会
(1) learn + 事物
e.g. Ms. Wu helps me to learn English on weekends.
吴老师周末帮我学习英语。
(2) learn to do sth. 学习做某事
e.g. Let’s learn to play chess after class.
让我们下课后学习下棋吧。
探究一
用have to/must/can/can’t等情态动词
描写自己的家规和校规
Do you know these family rules
Don’t talk loudly.
Don’t watch TV late at night.
Don’t eat in bed.
Clean the bedroom
on Saturdays.
Don’t get up late
on Sundays.
Don’t sing loudly at night.
3a Complete Zhao Pei’s letters to Dr. Know using
have to / must, can / can’t.
Dear Dr. Know,
____ you help me I’m not happy because there are too many rules at home. Every morning, I ____ get up at six o’clock. At school, I _______ wear a school uniform, and I ______ keep my hair short. After school, I ____ play with my friends or watch TV because I ____ do my homework. I ____ relax on weekends either because I _____ learn to play the piano. I never have fun, what ___ I do
Zhao Pei
have to
Can
have to
must
must
can’t
can’t
must
can
3b Complete the chart with the rules in your home and
school. Check the rules you think are unfair.
Group work
Things I have to do Things I can’t do
I can’t go out on school nights.
I must do the homework first after school.
I can’t watch TV before I practice the piano.
I have to wear the uniform at school.
I have to keep my hair short.
I can’t see friends on school days.
I must get up before 6:30 and practice English.
I can’t be noisy or eat in class.
Group work
3c Write a letter to Dr. Know. Tell him about all the rules
and how you feel about them.
Dear Dr. Know,
_______________________________________________________________________________________________________________________________________________________________
Group work
请同学们在同组内分享习作，互相评价，提出修改建议。
当堂检测见DCF课件
活动小结
通过以上的活动可知，have to意思为1._________________，在这个意义上与must很接近，但2._________表示的是说话人的主观看法，而3.___________强调的是客观需要。
必须；不得不
must
have to
探究二
1 Fill in the blanks with the words in the box.
Self check
arrive late, listen to, be noisy, follow the rules,
be strict
My name is Timmy the Mouse. I must get up early at 6:30 a.m. every morning. Then I have to go to the kitchen to get food for Grandpa. I never _________ at the kitchen because I have to get there before the cat gets up. My grandpa always tells me I can’t _______. I _______ him because I don’t want the cat to get me! My grandpa ________ with me, but I think it’s best to ______________!
listen to
isn't strict
be noisy
arrive late
follow the rules
2 Use can/can’t, have to/must and don’t to write about
the rules at school. Write two sentences for each rule.
arrive late/ class
__________________________________
___________________
2. listen/ teacher
__________________________________
___________________
Don’t arrive late for class. We can’t arrive late for class.
We must/ have to listen to our teachers at school.
3. be noisy/ library
______________________________
______________________________
4. speak English/ English class
______________________________ ______________________________
5. eat/ dining hall
______________________________
We must/can speak English in the English class.
We can’t be noisy in the library.
Don’t be noisy in the library.
We must/can eat in the dining hall.
Chain work
根据上述规则依次让学生用句子表达校规。
arrive late/ class
Don’t arrive late for class. We can’t arrive late for class.
listen/ teacher
……
当堂检测见DCF课件
活动小结
通过以上的活动的学习，我们可以知道，must意为1.__________。否定式must not (mustn’t)为“不应该；不许可；不准；禁止”。在回答带有must的问句时，否定回答常用2. _______________或don’t have to，
表示3.___________，而不用must not。
必须;应该
need not(needn’t)
不必
当堂检测
一、根据句意，用合适的介词填空。
1. Cindy often helps her mother make dinner the kitchen.
2. I can’t watch TV school nights.
3. home，we have too many rules.
4. Nancy，don’t arrive late work next time.
5. Don’t play outside school．Please go home early.
in
on
At
for
after
二、按要求改写下列句子。
1. No talking! (改成同义句)
_________ ________, please!
2. You can't take a walk after lunch.（改为祈使句）
_________ _________ a walk after lunch.
3. We can listen to music outside the hallways.
（对划线部分提问）
_________ _________ we listen to music
4. He must go to bed before ten o’clock（改为同义句）
He ______ _____ go to bed before ten o’clock.
5. My friend has to keep his hair short. (改成一般疑问句)
________ your friend _____ _____ keep his hair short
Don't talk
Don't take
Where can
have to
Does have to
课堂总结
have to/must/can/can't/don't等词的综合运用
must与have to的
用法及区别
must疑问句的
肯否定回答
Unit 4
Section B (3a~Self Check)