新目标英语七年级下册第十二单元教案及练习

新目标英语七年级下册第十二单元教案及练习Unit 12 Dont eat in class.一 教学目标1知识目标1)让学生识记下列的单词和短语 rule, sneaker, in class, in the hallways, in the classrooms, have/has to do, for gym class, on school nights, Dr Know, take my dog for a walk, be in bed, by ten oclock , wash my clothes, help my mom make dinner, no talking, turn off the lights, waste water, talk loudly.2). 让学生掌握下面的句型 Can we eat in school? We can eat in the cafeteria , but we cant eat in the classroom. Can students wear hats in school? Yes, they can. / No, they cant.2. 能力目标1)复习，巩固“祈使句”的用法。（肯定，否定形式）2)学习“can” 表许可的用法。3)掌握“have/ has to”的表达方式及提问和问答。3. 情感目标 能用英语表达和制定某些规则。二. 教学重难点1“can”表请求，许可的用法是本单元的重点。2情感动词“have to”有第三人称单数的变化形式“has to”，还有时态的变化，如：“Do you have to ?/ Does he have to?”。3肯定祈使句是省略掉主语的原形动词开头； 否定祈使句则是在肯定祈使句前加上“dont”。4注意“No + doing”的表达结构三课文重难点注释Section A（1a）in class 表示“在课堂上”； in the classroom 表示“在教室里”；（2a）eat outside 表示“在外面吃 ”，其中“outside”是“在外面”；（3a）have to 有三单形式 “has to”，表示“必须”； 还有时态的变化。Section B(3a) I never have any friends. 其中“never”表达否定语气，但表达形式为肯定。例如：He never goes fishing.四. 教学建议1. 课时及内容建议建议划分为四到五个课时：第一课时Section A (1a-1c) 第二课时 Section A (2a- 4) 第三课时Section B (1a- 4) 第四课时Section B (3a) 第五课时Section B (selfcheck- 3b)教学方法建议：1). 教师可根据教学目的和学生情况对教材调整，组合甚至删除；2)在教本单元内容前可复习一册第十单元情态动词“can”表请求，许可的用法，然后以旧带新，完成本单元“can”表可能的用法；3)完成了本单元的教学任务后，教师可根据学生的交际能力，适当对表达“许可及禁止”的句型进行分类，归纳和总结。学生注意其中的不同之处，能相互转换。教学设计建议（T：teacher, S: student）1) 第一课时 （1a1c）步骤1 : warming up and revision教师进教室后，使用祈使句请学生们完成一系列动作：Please stand up/ sit down.Close the door , please.Look at me and listen to me.Dont open your books .Dont talk.Lets begin our class.学生听教师的指令完成各种动作，教师也可将指令写到黑板上，让学生从视觉上考察祈使句的特点。步骤2 : presentation T: Where are you ? Are you in the video arcade? S: No, were in the classroom.教师出示书上1a 的图片，向学生提问。a. 指着图上奔跑的男孩提问T：Whats the boy doing? S: Hes running.T: Where is he running? S： Hes running in the hallways.(板书，教读)T：Can you run in the hallways? S: No, I cant.T: So please dont run in the hallways.(板书，教读) = You cant run in the hallways.学生跟读数遍，明白祈使句和“can”的表达含意。 T：Why is he running in the hallways? S: Hes late. T: Oh, hes late for class.(板书，教读) You cant arrive late for class.(板书，教书)= Dont arrive late for class.b. 指着图中的女孩问T: Is she eating in the classroom? S: Yes, she is.T: Can you eat in the classroom? S: No, we cant.T: You cant eat in the classroom or in class ? (板书，教读) = Dont eat in the classroom or in class. 注意“in the classroom”和 “in class”在表达含义和形式上的不同。c. 指着带耳机的男孩T: Look, the boy with headphones likes rap very much. But he isnt listening to the teacher. So the teacher is very angry.Remember: Dont listen to the music in class or in the hallways. =You cant listen to music in class or in the hallways. （板书，教读）d. 指着相互打斗的男孩T: The two boys arent friendly. Theyre fighting. （板书，教读） Dont fight. =You cant fight. （板书，教读）教师把这些句子板书在黑板上，并请学生大声整齐地读祈使句和“cant”句型，并让学生注意两种句型表达形式的不同和转换,“Dont =You cant”;并对学生说：These are our school rules. （板书，教读） You cant break the school rules. Dont break the school rules.（板书，教读）步骤3 : Practicea. T: Now, each of the students is breaking one of these rules. Please finish 1a.学生看图，完成1a的内容，检查答案并大声朗读校规。b. 听录音，完成1b，选出四位学生都违反了哪条校规；听之前，学生要读会英文名。c. 请两位学生朗读1c部分的句型；要求学生两人一组对话表演，SA扮演外校转来新生，SB告知本校校规。（学生可经过讨论，多说出他们想到的校规，不必只限于书上；教师应给予帮助）2) 第二课时（2a4）步骤1 : warming up of revisionT: What are the rules at your school?学生使用“can”或祈使句表达各条校规；其中老师可引出“eat in the cafeteria outside”的表达。步骤2 : Practicea. T: Christina is an exchange student. She doesnt know the rules. Lets listen, what activities theyre talking about?学生听第一遍时，完成2a；第二遍时，完成2b；b. 请学生领读2c部分，看着2a完成的表格，理解2c活动的要求；分成小组针对2a进行问答；步骤3 : Presentationa. 要求学生看着3a的图片T: What class are the students having? S: P. E Yes, theyre having gym class. （板书，教读） You have to wear sneakers for gym class. （板书，教读） 学生仔细跟读，理解并记住“必须做什么”用“have to”的表达.T: Do you have to wear sneakers for gym class?S: Yes, I do. （板书，教读）学生了解“have to”的疑问句型变化形式。T: At school, you have to wear uniforms every day. （板书，教读） Do you have to wear uniforms at school?S: Yes, I do. Do you have to wear uniforms on weekends?S: No, I dont.You dont have to wear uniforms on weekends. （板书，教读）学生了解“have to”否定句型的变化形式。b. 学生看图，完成3a部分。c. 教师提问，检查答案。Do they have to wear the uniforms every day?Do they have to clean the classroom every day?Does he have to wear sneakers for gym class?教师告诉学生“have to”和“can”的区别；学生注意“have to”和“can”的概念和用法；掌握“have to”的三种形式“has to”及句型转换。步骤4 : Practice学生分小组用“can”和“have to”写出几条班规，并相互交流。3) 第三课时 Section B (12c以及4)步骤1 : Presentationa. 学生看着1部分的图片T: What day is it today? Ss: Its Tuesday.T: The boy is going out on school nights. （板书，教读）学生理解“school nights”的含义。Can you go out on school nights?Ss: No, We cant.T: Yes, in China, the students cant go out on school nights. So please dont go out on school nights.b. 请学生朗读1部分的“rules”，并完成1的内容。c. 学生听磁带完成2a，2b部分。步骤2 : Practicea. 教师请学生看到完成的表格,学生两人一组,进行问答训练。S1: Can Emily watch TV after school?S2: No, she cant.S1: Does Dave have to do his homework after school?S2: Yes, he does.b. 教师将2c和4组合，鼓励学生说出自己的家规并相互交流。S1: I have to take a walk after supper.Jenny, do you have to take a walk after supper?S2: Yes, I do.T: What do you think of the rule?S: I think its good for our health. We love it.4) 第四课时 （3aSelfcheck）步骤1: Presentationa. T: Boys and girls, I have a friend Zhao Pei. Shes not happy, why? She has too many rules in her house. So she never has any fun.老师讲解“never”的含义和用法。b. 学生自己阅读，找出“the rules in Zhao Pies house”c. 学生掌握下列短语和单词的用法：meet friend, take dog for a walk, be in bed, by ten oclock, wash clothes, later步骤2 : Practicea. 让学生看着自我测试第三部分的插图，想象自己是Fraser家的小孩，小组讨论这家的家规。b. 教师给予学生必要的帮助：talk loudly, turn off the lights, waste waterc. 要求学生根据“the family rules in Frasers”写一封信给Dr Know.步骤3 : learning and writinga. 让学生看着3b的插图，为图书馆制定各种制度；必要时，给予帮助：wet umbrellasb. 将学生制定的各种制度板书到黑板上，再换成以“No”开头的表达； You cant talk. =Dont talk. =No talking.c. 让学生观察，总结三种表达的特点。4. 任务型活动设计建议根据本单元的教学目标认识用英文表达的一些标志含义以及制定一些规则和谈论看法，可制定这样的任务活动：“做校园文化建设的小主人”此活动为小组活动，通过此活动，树立学生的合作意识和团队精神，激发了学生的主动性和展示个性。操作建议：1. 学生四人或六人一组展开活动,讨论身边的各种英文标识和规则,收集整理; 2. 讨论学校需要标识和规则的地方,如图书馆等。 3. 制作英文规则，在全班乃至全校展览，征求大家意见，在校园正式使用。五 同步练习I. 选择题1.The class begins at ten. Dont _. A. late B. arrive late C. arrives late2. _ you eat in class? No, I _.A. Can , cant B. Dont, do C. No, dont3.I have to be _ bed _ ten. A. at, at B. in, to C. in , by4.We cant go out _school nights. A. in B. on C. at5. _ listen to music in class. A. Dont B. cant C. NoII. 句型转换1I can play computer games on weekends.（一般疑问句）_? Yes, _.2. He has to wear uniform.（变否定句）He _ _ _ wear uniform. 3. I have to wear sneakers for gym class.（一般疑问句） _ you _ _ wear sneakers for gym class? Yes, I _.4. They have to wash clothes.（提问） _ do they have _ _?5. You cant go out on school nights.（换一种表达） _ go ou