Unit 4 Don’t eat in class.(Section A 2a-2d)

课件20张PPT。Period 2 Section A(2a-2d)本课重点和难点：
1. can 表示请求的用法；
2. 祈使句；
3. 情态动词 must 与have to 的用法。Don’t eat in class！RevisionTalk about the rules.
Don’t swim.
禁止游泳。Look at the pictures. What does them mean?Don’t smoke.
No smoking.
禁止吸烟。Don’t eat food.
No food.
禁止吃东西。Don’t listen to music.
禁止听音乐。Revision of the new words.Look at the pictures. The girls are wearing school uniforms.
What are meaning of “uniform”?
“校服”。
What are meaning of “wear”？
“穿着”。
Look at the two pictures.
Can we bring a music player to school?
No we can’t.
Don’t bring a music player to school.
Can you tell me the meaning of “bring” and “player”?
Bring means “带来，取来”， “bring” means“播放器”。Look at the two pictures.
Please tell me where we should be quiet.
Library.(图书馆)
Can you tell me the meaning of “quiet”?
Yes, we can. It means “安静的”。
We must keep quiet in the library and in the class room, which is very important.
What’s the mean of “important”?
It means “重要的”。
上课不准迟到，这是很重要的。
Don’t be late for class. That is very important. Practice the new words.Now please make up some sentences with the words wear, uniform, bring and quiet.
上学日必须穿校服。
We must wear uniforms on school days.
禁止带播放器到学校。
Don’t bring players to school.
请在阅读室/图书馆保持安静。
Be quiet in the reading room/in the library.
Practice上体育课时，我们必须穿运动鞋。
We have to wear sports shoes for P.E. class.
吃饭前必须洗手。
We have to wash our hands before meals.
上课不准迟到，必须按时。
We can’t arrive late for class.
We must be on time.
Let’s say the school rules using
can, can’t, must and have to.我们可以在教室里吃东西吗？（不可以）
Can we eat in the classroom?
No, we can’t.
下课后我们可以听音乐吗？（可以）
Can we listen to music after class?
Yes, we can.
在教室里，我们可以戴帽子吗？
Can we wear a hat in classroom? (不可以)
No, we can’t.
2a Listening.Check(√) the activities Alan
and Cindy talk about.2b Listening.Can Alan and Cindy do these activities? Circle can or can’t.Pair works.Student A is Alan and Student B is Cindy. Talk about the rules in 2a.2cCan we listen to music ,Cindy?We can’t listen to music in the hallways, but we can listen to it outside.Role-play the conversation.John: Hi, my name is 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.
2d第一天好的学校，棒的学校许多，大量上课迟到重要的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.
准时带来，取来穿着校服安静辨析must 和 havetomust 表示 “必须”时，着重于说话人主观上认为“有义务，有必要”；
have to表示 “必须，不得不”时，着重于客观的需要。
ex. 我不得不明天回去吗？是的，你必须。
-Do I come back tomorrow?
-Yes，you .
we also be quiet in the library
have tomusthave to辨析 bring 与 takebring 指从别处拿到这里来或拿到说话人和听话人都要去的地方。
Take 指从这里拿走、带走，即把某人或某物从说话人处带到别处。bringtakeHomeworkP21 的Grammar Focus 抄写一遍，并翻译成中文。
（做为课堂练习）
P21的 3a 和3b， 请利用课后时间提前做好。