Unit 4 Don’t eat in class. Section A 2d-Grammar Focus课件(共26张PPT)

课件26张PPT。Don’t eat in class.Unit 4Section A 2d-Grammar Focus温故知新Can you say some rules in our scool? 1. Is John new at school?___________
2. Are there many rules at school?
______________2d Read the conversation in 2d and answer the questions.Yes, he is.Yes, there are.3. Can he bring music players to school?
_______________
4. Do they have to always wear the school uniform?_______________No, he can’t. Yes, they do.Read the conversation in 2d and finish the phases英汉互译
1,the first day at school_________________
2,a lot of rules______________
3,arrive/be late for____________
4,wear the school uniform_____________上学第一天许多规则迟到穿校服5，音乐播放器 __________________
6不得不,必须_____________________
7,保持安静____________________
8,在图书馆_____________________music playershave tokeep/bequietin the libraryDifficult points :
1 bring sth/sb to +地点 bring sth here
take sth/sb to +地点 take sth there
eg. 我们能把音乐播放器带到学校吗？
请把这些书拿到图书馆去。
他的爸爸经常带他到动物园。
Can we bring music players to school? Please take these books to the library. His father often takes him to the zoo. 2 have to do sth. 必须;不得不做某事 (表达义务)
3 must / have to 我们在上学期间必须穿校服。 We have to wear the school uniform on school days.1.have to 为固定短语，意为“不得不”，强调由客观原因造成不得不去做某事，
有各种时态和人称变化，在变否定句和疑问句时借助动词do, does, did。否定形式为don’t/ doesn’t have to, 表示“不必”。 我们必须按时到校We have to get to school on time1.杰克每天必须穿制服吗？2. 汤姆放学后必须先做作业吗？是的。3.琳达，你不必在上午七点前到校。4. 他们在学校不得不做什么呢？Does Jack have to wear a uniform every day? Does Tom have to do his homework first after school? Yes, he does. Linda, you don’t have to arrive at school before
seven o’clock. What do they have to do at school?2. must也意为“必须，应该，不得不”，强调由于主观原因一定要做某事，只用于一般现在时，没有时态和人称的变化。否定加not (mustn’t), 表示“不准”。
放学后我必须帮妈妈做家务I must help my mother do housework. We must study hard.我们必须努力学习我们禁止在课堂上吃东西We mustn’t eat in class. 1. 不要在楼道里跑。
_______________________
2. 不要打架。
_______________
3. 有什么规则？
__________________________
4. 我们必须按时上课。
__________________________阅读Grammar Focus，完成下列句子。Don’t fight. Don’t run in the hallways.What are the rules?We must be on time for class. Grammar Focus5. 我们可以在教室里吃东西吗？
_____________________________
6. 不能。但我们可以在餐厅里吃东西。
______________________________
______________________________
7. 我们可以在上课的时候带帽子吗？
___________________________Can we wear a hat in class? No, we can’t, but we can eat in the dining hall. Can we eat in the classroom?8. 他在学校里必须穿校服吗？
_________________________________
9. 是的，必须。/ 不，不必。
_______________________________
10. 你们必须做什么？
_______________________________
11. 在图书馆里我们必须保持安静。
________________________________Yes, he does. / No, he doesn’t. Does he have to wear a uniform at school?What do you have to do?We have to be quiet in the library. 祈使句是表示请求、命令、建议等的句子。句子中通常不出现主语，谓语动词一律用原形。根据句子语气的强弱，句末用感叹号或句号。祈使句一、祈使句的肯定式
1. 以行为动词原形开头，简称Do型。
e.g. Come here. 到这儿来。
2. 以动词be开头，简称Be型。
e.g. Be quiet, please. 请安静。
3. 以Let开头，简称Let型。
e.g. Let’s go! 咱们走吧! 二、祈使句的否定式
1. Do型和Be型的否定式是在句首加don’t。
e.g. Don’t sit here. 不要坐在这儿。
Don’t be late. 别迟到。
2. 以let开头的祈使句，其否定式有两种：
一种是直接在句首加don’t，另一种是 “let + 宾语 + not +动词原形+ (其他)”。
e.g. Don’t let him go. 不要让他走。
Let’s not go there. 咱们别去那儿。将下列句子翻译成英语。
1. 请看这幅图画。
2. 不要在教室里跑。
3. 让我们帮助他。Please look at the picture. / Look at the picture, please.Don’t run in the classroom.Let’s help him.4. 在图书馆保持安静。
5. 上课不要迟到。Be quiet in the library.Don’t be late for class. Library Rules
1._____________
2. ____________
3._____________
4._____________
5._____________
Don’t take photos./No photos.Write the rules for the school library.Don’t listen to music./No music.Don’t eat./No food.Don’t talk./No talking.Don’t smoke./No smoking.have to be quiet3b. Use the words to make questions about the rules.Be quiet?
Q: Does she have to be quiet in the library?
(she/have to/in the library)?
A: Yes,she does.Eat?
Q:______________________________________________________
(he/have to/in the dining hall)?
A:__________________Does he have to eat in the dining hall?Yes, he does.Listen to music?
Q:______________________________________________________
(we/can/in the hallways)?
A:__________________Wear a hat?
Q:______________________________________________________
(we/can/in the classroom)?
A:__________________Can we listen to music in the hallways?No, we can’t.Can we wear a hat in the classroom?No, we can’t.We can eat in class.
We don’t have to come to school every day.
…3c. Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the Coolest School!At my dream school, we don’t have to come to school every day. We …summary1 Some school rules2 have to / must 的区别3 祈使句1. He has to eat breakfast quickly. (改为一般疑问句)
__________________________________
2. Play volleyball after class. (改为否定句)
________________________________二，句型转换。Does he have to eat breakfast quickly?Don’t play volleyball after class.3. We can wear sports shoes in class. (改为一般疑问) ______________________________
4. Don’t arrive late for class. (改为同义句)
_______________________________
5. Eric has to do his homework before six. (对划线部分提问)
______________________________Can we wear sports shoes in class?We must be on time for class.What does Eric have to do before six?homework . Make our class rulesDear students:
In order that we can have a good environment (环境). We should have some rules in our class.
1. Don’t sleep in class.
2. Clean the classroom everyday.
3. __________________________
4. __________________________
5. __________________________
6. __________________________
Yours ____Thank you