Unit 4 Don't eat in class.Section A语法课 课件(共43张PPT)

(共43张PPT)
Don’t eat in class.
初中英语人教版 七年级下
Section A 2d Grammar-3C
Unit 4 语法课
通过情景化的体验，能使用祈使句和情态动词谈论校规。
通过总结归纳，可以掌握并迁移使用句型表达其他规则。
学习目标
参与融入
part 1
Listen and underline rules.
John: Hi, my name’s John. It’s my first day at school.
Alice: Hi, John. I’m Alice. This is a great school, but there are a lot of rules.
John: Really What are some of the rules
Alice: Well, don’t be late for class. This is very important.
Let's listen.
2d
Listen and act. Role-play the conversation.
John: OK, so we must be on time. Can we bring music players to school
Alice: No, we can’t. And we always have to wear the school uniform.
John: I see.
Alice: Oh, and we also have to be quiet in the library.
2d
语法探究
part 2
Let's observe and think.
4. We also have to be quiet in the library.
1. Don’t be late for class.
3. We can't bring music players to school.
5. We always have to wear the school uniform.
2.We must be on time.
dos don'ts
1. Don’t be late for class.
2.We must be on time.
3. We can't bring music
players to school.
4. We also have to be
quiet in the library.
5. We always have to wear
the school uniform.
Grammar Focus.
我们可以如何表达规则？
祈使句
情态动词
Grammar Focus.
祈使句如何表达规矩？
Don't +V原....
Grammar Focus.
如何使用情态动词表达规矩？
主语+must+V原
主语+have to+V原
主语+can't+V原
Grammar Focus.
have to在句法上与其他情态动词有何区别？
have to有人称和数的变化。
have to/ has to
激活输出
part 3
Let’s think and talk.
_____ we arrive late for class
No, we ____ . We ____ be on time.
_____ arrive late for class.
Can
Don’t
can’t
must
Can
Don’t
can’t
must
Let’s think and say.
_____ we run in the hallways
No, we _____ . We _____ walk .
_____ run in the hallways.
Can
Don’t
can’t
must
Can
Don’t
can’t
must
Let’s think and say.
_____ we listen to music in class
No, we _____ . We _____ listen to our teacher.
_____ listen to music in class.
Can
Don’t
can’t
must
Can
Don’t
can’t
must
Let’s think and say.
_____ we fight
No, we _____ . We _____ be friendly to each other.
_____ fight .
Can
Don’t
can’t
must
Can
Don’t
can’t
must
Let’s think and say.
_____ we sleep in class
No, we _____ . We _____ listen to the teacher carefully.
_____ sleep in class.
Can
Don’t
can’t
must
Can
Don’t
can’t
must
Let’s think and say.
_____ _____ _____ in class
No, _____ _____ . _____ _____ _____ in the dining hall.
_____ _____ in class.
Can
Don’t
can’t
must
Can
Don’t
you
must
we
eat
can’t
You
eat
eat
Let's talk about your school rules.
( ) do homework in the classroom
( ) play computer games every day
( ) listen to the teachers in class (在课堂上)
( ) run in the hallways
( ) read English books in English class
Can
Don’t
can’t
must
Let's talk about your school rules.
( ) wear hats (戴帽子) in class
( ) listen to music in the classroom
( ) eat in class
( ) fight
( ) eat in the dining hall
Can
Don’t
can’t
must
Let’s practice.
Look at the pictures in 3a and answer the questions.
1
2
3
4
1. What do the pictures tell us
2. Where can you see these signs
3. Can we talk loudly/eat/listen to
music/take photos in the library
Let’s practice.
Write the rules for the school library.
1
2
3
4
Library Rules
1. ____________________________
2. ____________________________
3. ____________________________
4. ____________________________
Don’t talk.
Don’t eat in the library.
Don’t listen to music in the library.
Don’t take photos in the library.
Let's practice.
Use the words to make questions about the rules. Then write answers according to your school.
1. Be quite
Q: Does she have to be quite in the library
(she/have to/in the library)
A: Yes, she does.
2. Eat
Q: ________________________________
(he/ have to/ in the dining hall)
A: ________________________
Does he have to eat in the dining hall
Yes, he does.
3b
Let's practice.
3. Listen to music
Q: ________________________________
(we/ can/ in the hallways)
A: ________________
4. Wear a hat
Q: _______________________________
(we/ can/ in the classroom)
A: _______________
Can we listen to music in the hallways
Can we wear a hat in the classroom
No, we can’t.
No, we can’t.
Let’s think and create.
Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the Coolest School.
3c
1. We can eat in class.
2. We don’t have to come to school every day.
3. ...
At my dream
school, we don’t have
to come to school
every day. We...
总结回顾
part 4
Let’s self-check.
学习目标 1 2 3 4 5
通过情景化的体验，能使用祈使句和情态动词谈论规章制度。
通过总结归纳，可以掌握并迁移使用句型表达其他规则。
语法拓展
part 5
肯定句：动词原形 (+宾语) + 其他。
否定句：Don’t + 动词原形 ( + 宾语) + 其他。
Wear the school uniform on weekdays, please.
上学日请穿校服。
Don’t watch TV before dinner. 晚饭前不要看电视。
Summary.
Do 型祈使句的构成
Summary.
肯定句：Be + 表语 + 其他。
否定句：Don’t + be + 表语 + 其他。
Be careful next time. 下次要细心。
Don’t be late for school! 上学不要迟到！
Be 型祈使句的构成
肯定句：Let + 宾语 + 动词原形 + 其他。
否定句：Don’t+let + 宾语 + 动词原形 + 其他。
或Let + 宾语 + not + 动词原形 + 其他。
Let’s have a rest. 咱们休息一下吧。
Don’t let him go swimming.
= Let him not go swimming. 不要让他去游泳。
Summary.
Let 型祈使句的构成
Summary.
其他类型的否定祈使句的构成
(1) No+v-ing! / No+名词！
No fishing! 禁止钓鱼！
No parking! 禁止停车！
No photos! 禁止拍照！
(2) never 代替 don’t 来加强语气。
Never give up! 决不放弃！
情态动词have to与must
We must be on time. 我们必须准时。
Does he have to wear a uniform at school
他在学校必须穿校服吗？
He has to live at school because his home is far away from school.
他不得不住校，因为他家离学校很远。
语 法 示 例
Summary.
祈使句
Do 型祈使句的构成
Be 型祈使句的构成
Let 型祈使句的构成
No+v-ing! / No+名词!
never 代替don’t 来加强语气
Let’s think and create.
Do you have to... in the library
Yes,.../No,...
Do we have any library rules in our school
Ask and answer in pairs.
Listen to music
Be quiet
Eat
Let’s think and create.
Make more conversations using these words.
the students/have to/clean classroom/every day
she/have to/be at home/at five o’clock
she/have to/do morning reading/every day
we/can/arrive at school/late
Exercise.
(永州中考) David, _______ make trouble at school.
1.
don't
do
can't
doesn't
Exercise.
(凉山州中考) —Mom, can I play computer games this evening
—_______ your homework first, and then we’ll talk about it.
2.
Finishing
To finish
Finish
Finished
Exercise.
(怀化中考) Buses _______ stop when the traffic lights turn red.
3.
can
must
may
doesn't
Exercise.
(凉山州中考) We should keep quiet in the library.
We ______ speak loudly ( 大声地).
4.
must
needn't
can
mustn't
Exercise.
(北京中考) I ______ go now, or I’ll miss my train.
5.
can
might
must
could
Exercise.
He ______ stay at home, because it’s raining outside.
6.
have to
can't
must
has to
Homework.
1. 使用ancher chart分类总结本单元所有的规则。
2. 学校组建了一个音乐俱乐部，现在向全体同学征求俱乐部规则，请写出你的合理建议，至少五条。
3. 思考：家规