Unit 4 Don’t eat in class.SectionAGrammar-3cSectionB2a-2c课件2023-2024学年人教版英语七年级下册

Section A Grammar-3c Section B 2a-2c 七年级下 人教版 Unit 4 Don’t eat in class. 同学们通过讨论交流现行校园规章制度，投票选出自己理想的学校所具有的规则内容。理想与现实之间往往有差距。同学们需要结合上节课关于家庭规则的讨论，主动分享对校园和学校规章制度的困惑。 核心任务 Learning Goals 通过本课的学习，学生能够： ①掌握祈使句否定结构句型，熟练使用情态动词can,must,have to;从制定的校规中体会、学习语言的不同表达。 ②读懂关于理解和看待规则的文章。 ③引导学生在遇到规则问题时要善于思考和求助。 Talk about the following school rules. Don’t bring phones to school. Don’t waste food. Warming Up 同学们互相交流现行的基本校园规则： Don’t drop litter around. Don’t spit everywhere. You must finish your homework on time. You must listen to your teacher carefully. Observe this chart and then discuss the following questions. Don’t run in the hallways. Don’t fight. What are the rules? We must be on time for class. Can we eat in the classroom? No, we can’t, but we can eat in the dining hall. Can we wear a hat in class? Yes, we can./No, we can’t. Does he have to wear a uniform at school? Yes, he does./No, he doesn’t. What do you have to do? We have to be quiet in the library. Grammar 祈使句的否定句怎样构成？肯定句呢？一般在什么情况下会用祈使句？ 情态动词在用法上有什么共同点？ can在本单元主要表示什么含义？它还可表达什么意思？ have to在句法上与其他情态动词有何区别？ ①祈使句的否定句怎样构成？肯定句呢？一般在什么情况下会用祈使句？ Don’t run in the hallways. Don’t fight. What are the rules? We must be on time for class. Can we eat in the classroom? No, we can’t, but we can eat in the dining hall. Can we wear a hat in class? Yes, we can./No, we can’t. Does he have to wear a uniform at school? Yes, he does./No, he doesn’t. What do you have to do? We have to be quiet in the library. 祈使句的否定句在动词原形前加don’t，表示“不要做什么事”。祈使句的肯定句通常是以动词原形开头的。 祈使句一般用于上级对下级，长辈对晚辈之间，表示命令、劝说或警告，也可表示请求。 Go and wash your hands.（去洗你的手。——命令） Be quiet, please.（请安静。——请求） Be kind to our sister.（对我们的姐妹们要和善。——劝告） Look out! Danger!（小心！危险！——强烈警告，如感叹句） 祈使句的种类 Go and wash your hands. Look out! Danger! Be quiet, please. Be kind to our sister. Let’s begin our class. Do 型祈使句 Be型祈使句 Let型祈使句 (Don’t)+动词原形+其他 (Don’t)+be+表语+其他 Don’t+let+宾语+动原+其他 Let+宾语+not+动原+其他 表示“禁止” No+动词-ing! No+名词! No talking! No photos! Don’t run in the hallways. Don’t fight.