Unit 4 Don’t eat in class. Section A 3a-3c 课件(共15张PPT)

(共15张PPT)
Unit 4
Don’t eat in class.
Section A 3a-3c
Don’t run in the hallways
Let’s review some rules.
Don’t fight
Can we eat in the classroom？
Yes …
No …but we can eat in the dining hall
Can we wear a hat in class？
Yes …
No …
Does he have to wear a uniform at school
Yes…/No…
We have to be quiet in the library.
Let’s review some rules.
情态动词
can
1. 表示能力：“会，可以，能，能够”
2. 不能单独作谓语，后必须接动词原形一起构成谓语
3. 没有人称的数的变化
4. 否定形式加not: can not,cannot, 或缩写can't疑问句can 提前。
例： I can't play the gutar.
Can we eat in the classroom
Grammar focus
情态动词must与have to
1. must:表示说话人的主观看法，即主观上的必要性”必须”，还用来表示命令和愿望。
如：You must stop at the red light.
2. have to 表示客观需要，即周围的环境、习惯等要求某人”不得不”或”必须”去做某事。
如：You have to add some water into the flour.
用have to或has to填空。
1.We ________ clean our classroom after school.
2.She _________ make her bed after getting up.
3.It’s late. Mr Beckman ______ go to work by car.
4.Emily and Peter join a music club. They _______ practice the guitar every day.
have to
have to
has to
has to
3a Write the rules for the school library.
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 pictures/photos in the library.
Tips
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。
Does he have to eat in the dining hall
Yes, he does.
3b. Use the words to make questions about the
rules then write answers accorning to your school.
Can we jump/walk... in the hallways
Can we play basketball/... in the ...
3c Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the Coolest School!
We can walk out of the class anytime we want.
We can wear what we want.
We may have less homework and more free time.
…
We must follow our school rules.
Thank you