1、Unit 4 Dont eat in class.,Section A Grammar Focus-3c,To learn to use “can” for permission. To learn to write the rules. To learn to make questions about rules and answer.,Objectives,Dont smoke! No smoking!,Warming Up,Tell your classmate what the rules should be.,Dont fight. No fighting!,Dont run in
2、the hallways.,Dont arrive late for class.,We have to wear uniforms.,Grammar Focus,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部分，完成下列句子。,Dont fight.,Dont run in the hallways.,What are the rules?,We must be on time for class.,5. 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
3、课的时候带帽子吗？ _,Can we wear a hat in class?,No, we cant, 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 doesnt.,Does he have to wear a uniform at school?,What do you have to do?,We have to be
4、 quiet in the library.,一、祈使句 1. 用法：一般以动词原形开头，表示请 求、命令、劝说、警告等。在祈使句 中，通常省略句子主语第二人称you。,探究乐园,2. 句子结构 (1) 肯定句：_+ 其他 在餐厅里吃东西。 _ 在音乐教室里听音乐。 _ 骑自行车去上学。 _,Ride the bike to school.,Eat in the dining hall.,动词原形,Listen to music in the music room.,(2) 否定句： _ + _+ 其他 不要和同学们打架。 _ 不要在教室里打篮球。 _,Dont fight with your
5、 classmates.,Dont play basketball in the classroom.,Dont 动词原形,以let引起的句子 _+ sb.+动词原形 让我们步行去上学吧。 _ (4) No + 动词-ing形式。表示“禁止、规劝” 禁止停车！No Parking. 禁止吸烟！No Smoking.,Let,Lets walk to school.,二、询问和讨论学校规则： 1. 有什么规则？ 我们必须保持安静。 _ _ 2. 我们可以在上课的时候戴帽子吗？ _ 不可以。你可以在外面戴帽子。 _,What are the rules?,We must be quiet.,Can
6、 we wear a hat in class?,No, we cant. You can wear a hat outside.,3. 你们必须做什么事？ _ 我们必须穿校服。 _ 4. 他必须在校吃午饭吗？ _,We must wear the school uniforms.,What do you have to do?,Does he have to eat lunch at school?,Write the rules for the school library.,Library Rules,1.,2.,3.,4.,Dont talk.,Dont eat.,Dont liste
7、n to music.,Dont take photos.,3a,Use the words to make questions about the rules. Then write answers according to your school.,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
8、 the dining hall?,Yes, he does.,3b,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 cant.,Can we wear a hat in the classroom?,No, we cant.,1. We can eat in class. 2. We dont have to come to school eve
9、ry day. 3. ,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 dont have to come to school every day. We ,3c,At my dream school, we dont have to come to school every day. ,We can eat in class. ,We dont h
10、ave to wear school uniforms. ,We can listen to music in class. ,We can eat in the classroom. ,We dont have to do homework. ,At my dream school, we dont have to come to school every day. We can eat in the classroom. We can listen to music in class. We dont have to do homework. We dont have to wear sc
11、hool uniforms at school.,Report,Make our school rules,Dear students: In order that we can have a good environment (环境) , we should have some rules in our school. Here are some suggestions. We hope that all of us can have a look at them. 1. Dont sleep in class. 2. Clean the classroom every day. 3. _
12、4. _ 5. _ 6. _ Yours _,have to 的用法,have to意思是“必须、不得不”, 它侧重于 客观上的必要和外界的权威。 1) 结构：主语have to动词原形其他 (一般现在时, 主语是第三人称单数时， 用has to；句子是过去时，用had to。) 如：,Language points,We have to wear sneakers for gym class. 在体育课上, 我们必须穿运动鞋。 Tom has to practice the guitar every day. 汤姆每天必须练习弹吉它。 I had to get up at 5:00 am l
13、ast Monday. 上周一, 我不得不早上5点起床。,2) 否定形式： 主语dont have to动词原形 其他(一般现在时，主语是第三人称单数时， 用doesnt have to；句子是过去时，用 didnt have to) e.g. Nick doesnt have to wear a uniform. 尼克不必穿校服。 We didnt have to do our homework at once. 我们不必马上完成作业。,3) 疑问句：Do (Does 或 Did)主语 have to 动词原形其他 如: -Do you have to stay at home on wee
14、kends? -Yes, I do. / No, I dont. 周末你必须待在家里吗？ 是的, 我必须。/ 不, 我不必。 Did he have to go to bed by 11:00 last night? 昨晚, 他不得不11点上床睡觉吗？,.用所给单词的适当形式填空。 1. Dont _(listen) to music in the library. 2. Do we have to _(clean) the room every day? 3. You cant _(wear) sunglasses in the classroom. 4. Please _(arrive)
15、at school on time (准时). 5. John is often late for _ (class).,class,listen,clean,wear,arrive,Exercises,.将下面的句子改为祈使句，每空一词。 1. You can come in. _ _, please. 2. I can help you. _ me _ you. 3. You cant eat in class. _ _ in class. 4. You cant be late for school. _ _ late for school. 5. You cant take photo
16、s here. _ photos here.,Come in,Let help,Dont eat,Dont be,No,1. - Can the students eat in the classroom? (作否定回答) - No, _. 2. Bill has to play sports every morning. (改为一般疑问句) _ Bill _ _ play sports every morning?,they cant,Does have to,.按要求完成句子，每空一词。,3. You cant wear a hat in class. (改为祈使句) _ _ a hat
17、in class. 4. He has to see his grandparents on weekends. (对划线部分提问) What _ he _ _ _ on weekends? 5. Come in, please. (改为否定句) _ _ in, please.,Dont wear,does,have to do,Dont come,1. 我们必须按时到校。 We must arrive at school _ _. 2. 你能把你的电子游戏带到学校来吗？ Can you _ your computer game _ school?,on time,bring,.根据所给汉语完
18、成英语句子，每空一词。,to,3. 周末迈克经常在外面吃饭。 Mike often _ _ on weekends. 4. 星期天你不必早起。 You _ _ _ get up early on Sundays. 5. 不要在走廊里乱跑。 Dont run _ _ _.,eats outside,dont have to,in the hallways,中考链接,You _ always be careful with electricity for safety. A. must B. can C. mustnt D. cant,【2019辽宁】,A, _ I take the magazine out of the reading room? Im sorry you _. A. Could; couldnt B. Must; couldnt C. will; cant D. May; cant,【2019贵州黔南三州】,D,Write down ten sentences about what you can or cant do in your house.,We cant eat in bed. We cant fight. .,