Unit 4 SectionA (Grammar Focus～3c)课件-2023-2024学年人教版英语七年级下册

Don’t eat in class. Section A(Grammar Focus-3c) Unit 4 目 录 CONTENTS 学习目标 新课讲解 课堂小结 新课导入 当堂小练 课后作业 Structures: ①—Don’t run in the hallways. ②—What are the rules? —We must be on time for class. ③—Can we eat in the classroom? —No, we can’t, but we can eat in the dining hall. ④—Does he have to wear a uniform at school? —Yes, he does. / No, he doesn’t. ⑤—What do you have to do? —We have to be quiet in the library. 学习目标 PAIRWORK A: Can we … in Lantian Middle School? B: Yes, we can./ No, we can’t. A: What else do we have to do? B: We have to … 新课导入 新课导入 Look at these pictures and write down the rules. We have to _____________ wear a uniform Don’t ______. fight We have to eat in the _________. dining hall ______ draw on the wall. Don’t Boys _______ have short hair. have to We ________clean the classroom. have to 新课导入 Don’t run in the hallways. Don’t fight. What are 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 Focus 新课讲解 1. 祈使句: 表示请求、命令等语气的句子, 其结构为省去主语you的简单句。 肯定祈使句 否定祈使句 ① Sit down. ② Come in. ③ Eat at home. ④ Listen to music outside. ⑤ Do your homework at school. Don’t sit down. Don’t come in . Don’t eat at home. Don’t listen to music outside. Don’t do your homework at school. 语法探究 新课讲解 语法探究 祈使句 1. 概述 用于表达命令、请求、劝告、警告、禁止等的句子叫祈使句。 祈使句最常用于表达命令，其主语是第二人称 you，且往往被省略，因此祈使句一般以动词原形开头。 Go and wash your hands. 去洗洗你的手。（命令） Be quiet, please. 请安静。（请求） Practice the guitar every day. 每天练习吉他。（建议） 【妙指津】 为了表达委婉的语气，可在句首或句尾加上 please。please在句尾时要用逗号与句子其他部分隔开。 Don’t talk in the library, please. 请不要在图书馆说话。 新课讲解 语法探究 【妙指津】 表示禁止时，常用于标语、警示语的否定祈使句结构为“No+动词-ing形式.”或“No+可数名词复数形式/不可数名词.” No smoking. 禁止吸烟。 No photos. 禁止拍照。 类型 句型结构 示例 Do 型 肯定：动词原形(+其他成分). Stand up. 起立。 否定：Don’t +动词原形