Unit 2 No Rules,No Order Section A Grammar Focus课件2025-2026学年人教版七年级英语下册

该初中英语课件聚焦Unit 2语法重点，核心涵盖祈使句（定义、结构、类型及肯定/否定形式）和情态动词（can, must, have to等）的用法。课堂导入通过词汇复习（如queue, jump the queue）衔接规则实例讨论（如Raise your hand, Walk in school），逐步过渡到语法知识讲解，构建从具体到抽象的学习支架。 其亮点在于以“校园规则”为真实情境载体，通过对比祈使句Do型/Be型结构、情态动词must与have to的用法差异，培养学生语言能力和思维品质。作业设计包含用法总结与规则海报创作，兼顾知识巩固与实践创新，助力学生提升语言运用能力，也为教师提供清晰的教学路径和多样化活动素材。

Unit 2 No Rules,No Order Section A Grammar Focus 复习输入： queue jump the queue feed leave absent absent from quietly belt noise ： • 排队 • 插队 • 喂养 • 离开 • 缺席的 • 缺席于…… • 安静地 • 带子、皮带 • 噪音 ： • 排队 • 插队 • 喂养 • 离开 • 缺席的 • 缺席于…… • 安静地 • 带子、皮带 • 噪音 queue jump the queue feed leave absent absent from quietly belt noise Warm up What rules are mentioned? Walk in school. Be nice. Raise your hand and wait to speak. 语境输入： Talk about our class rules. phone snack polite hallway litter ? Warm up What rules are mentioned? Keep your hands and feet to yourself. Clean up. Look at the speaker . Presentation Keep your hands and feet to yourself. Clean up. Look at the speaker . Raise your hand and wait to speak. Walk in school. Be nice. They’re imperatives (祈使句). 动词原形 一、祈使句的定义和结构 Open the door. Come here. 祈使句通常省略主语 you，以动词原形开头， 用来指示或要求某人做某事。 肯定祈使句：以动词原形开头。 二、祈使句的否定句 “Don't run in the classroom. “Don't be late for school. “Never touch the fire. “Never give up your dreams. Don't + 动词原形：这是最常见的祈使句否定形式，表示 “不要做某事” Never + 动词原形：语气比 “Don't” 更强烈，强调绝不能做某事。 祈使句的否定形式一般是在肯定祈使句前加 “Don't”（口语中常用）或 “Never ”（语气更强，表 “绝不要” ）。 Presentation 什么是祈使句(Imperatives)？ ● 用于表达命令、请求、劝告、警告、禁止等 的句子叫祈使句。 ● 祈使句因对象（即主语）是第二人称， 所以通常省略。 ● 祈使句为动词原形开头（No型除外）。 ● 祈使句有Do型、Be型、Let型、No型。 Presentation Do型 肯定形式 否定形式 实义动词原形+其他 Go away. Listen carefully. Walk slowly. Don’t+实义动词原形+其他 Don’t draw on the wall. Don’t run. Don’t make noise. Presentation Be型 肯定形式 否定形式 Be+形容词/名词(词组) Be nice. Be polite. Be a good boy. Don’t+be+形容词/名词(词组) Don’t be nervous. Don’t be shy. Don’t be a bad person. Look at these examples to see how can, can't, must, mustn't, have to and don’t have to are used. You can put your shoes and coat over there. You can't leave your bike there. can We often use can to ask for and give permission. can’t We use can't to talk about something that is against the rules. Look at these examples to see how can, can't, must, mustn't, have to and don’t have to are used. You must hand in your homework on Tuesday or you will lose ten percent of your mark. Visitors mustn’t park in the staff car park. must Must expresses a strong obligation or necessity. mustn’t We use must not to talk about what is not permitted. Look at these examples to see how can, can't, must, mustn't, have to and don’t have to are used. You have to have a licence to drive a car. You don't have to go to the bank to do a transfer. You can do it online. have to Have to shows us that the obligation comes from outside the speaker. don’t have to We use don’t have to to show that there is no obligation. 肯定式 Turn back! Go to bed now! Do型：动词原形+其他 Be quiet, please! Be careful! Be型：Be+其他 Let’s go! Let’s have a rest! Let型：Let sb do+其他 3. 祈使句的类型？ 否定式 Don’t be late! Don’t smoke here! Don’t let him leave! Don’t型 Don’t be+其他 Don’t do+其他 Don’t let+其他 No photos! No smoking! No型 No+n. No+v.ing Modal Verbs (情态动词) Walk in the hallway. Don’t run! Be polite and treat one another with respect. Don’t litter. / You mustn’t litter. / You can’t litter. Can we bring our phones to class? No, we can’t. We must keep them in our lockers. Can we eat snacks in class? No, we can’t eat in class. We have to eat in the dining hall. 1. 出现了哪些情态动词？ can, must, have to 含义：情态动词用于表达说话人的态度、意愿、推测、建议、能力、义务等。没有人称和数的变化； 后面必须跟动词原形来构成完整的谓语。 2. 情态动词的含义? Summary 祈使句一般用来表示请求、命令、劝说、号召、警告等。在祈使句中，通常省略主语you，其肯定形式常以动词原形开头，否定形式是在动词原形前加don’t。祈使句句尾用句号或感叹号，读时用降调。为表示礼貌，可以在句首或句末加上please。句末用please时，前面通常加逗号。 Choose the correct option to complete the sentences. ____________ (Do we have to / Can we) go to the party? I'm really tired. You __________ (must / can) do your homework before watching television. You __________ (can’t / don’t have to) rent a car without a credit card. Passengers __________ (don’t have to / must not) play music or talk on the phone in this part of the train. You __________ (have to / can) be a member to buy a ticket. It's open to the members only. Do we have to must can’t must not have to 在下列句子中填入恰当的情态动词 1.You _____________ be quiet in the library. 2.We __________ run in the hallways. 3.I ______ bring my phone to school, but I __________ turn it off. 4.You ______ ask questions in class, but you _________ raise your hand first. 5.We __________ eat in the classroom. We ______________ eat in the dining hall. must/have to can’t/mustn’t can must/have to can must/have to can’t/mustn’t can/must /have to Design a poster that shows the rules for your chosen part of the creation, with illustrations or symbols. Required Optional Please summarize the usage of "can", "have to/must", and "can't/mustn't". $