语法祈使句（课件）-2025-2026学年人教PEP版英语四年级下册

该小学英语课件聚焦祈使句教学，涵盖定义、肯定/否定形式及回答。通过“Let's do!”动作指令导入，从具体指令到抽象语法规则，搭建从实践到理论的学习支架，帮助学生逐步掌握祈使句用法。 其亮点在于融合语言能力与思维品质培养，通过“Stand up!”等互动指令、Task2标识辨析任务提升语言理解与表达，“消灭怪兽”游戏化练习激发学习兴趣。小结系统梳理知识点，助力学生构建知识体系，教师可借助丰富实例提升教学效率。

祈使句 Imperative Sentence 1 Let's do! Stand up! Sit down! Show me your hands. Clap your hands. 什么是祈使句？ 祈使句是表示请求、命令、劝告、建议等句子，通常说话的对象是第二人称you，但you常被省略。 01 肯定祈使句 动词原形在开头，祈使句型不发愁 1. 实义动词原形＋ 其他 (句首句尾加please；句首句尾加人名) Get up. sit down. close the door. Please Lucy, 3 Task1 Be quiet.. Jim，have a cake. Please stand up. 以下哪些句子是肯定祈使句？ Tom likes dogs. This is my mother. Clap your hands. Please ________ the door. opening B. open C. to open 2. Amy, ______ up. A. stands B. stand C. standing B B 3 02 否定祈使句 a.变否定，你别急，加上don’t真容易。 run. open the door. Tom, eat too much. Please, drink here. Don’t Don’t don’t don’t 3 _______ open the window. Not B. No C. Don’t 2._______ eat. Not B. No C. Don’t C C 3 b.否定祈使有例外，Let句式真奇怪。 1. Don't+let+宾语+动原+其他 let him clean the window. 2. Let+宾语+not+动原+其他 Let him clean the window. Don’t not 3 Don’t let _____ play football. she B. he C. him 2. Let ______ not clean the window. A. he B. her C. his C B 3 3. Don’t let _____ drink water. me B. he C. she 4. Let ______ not clean the window. A. he B. us C. his A B 3 c.变否定，还有招儿，No后doing表警告 No smoking. 禁止抽烟。 No food. No talking. 禁止说话。 = Don't eat. = Don't talk. = Don't smoke. Tip: No后也可加名词。 No drinks. = Don't drink. 3 No ________. smoke B. smoking C. to smoke 2. No ______. A. park B. parks C. parking B C 3 小新不认识这些标识，你能帮帮他吗？ Task2 Don't... No... Let's not... 15 否定祈使句 P Sorry, I won't! Don't... No... Let's not... 16 03 祈使句回答 a.肯定祈使句的回答：OK./Thanks./Yes, I will. -Please close the door. -OK, I will. b.否定祈使句的回答：Sorry./Sure, I won't. -No smoking. -Sorry, I won't. 3 1. - Please pass me the book. - ___________. A. OK, I will. B. Sorry, I will. 2. -Please don’t drink here. - ___________. A. OK, I will. B. Sorry, I won’t. A B 3 Task 3 帮助小新选择对应的回答。 Don't talk. Don't talk. Please stand up. Please stand up. Please stand up. Open your book. Xiaoxin, get up. Don't eat here. No smoking. Please stand up. No smoking. Close the door. Close the door. Don'teat here. ...,I won't. Open your book. ...,I will. Task 4 Exercise 帮助超人小新消灭怪兽吧！ MONSTER 1. Jim, _____ me a hand. A. gives B. is giving C. will give D. give -1000 MONSTER 2. ____ careful, Jenny! There is a tree in front of you. A. Am B. / C. Be D. Was -1000 MONSTER 3. Let's ____ our time. A. not waste B. no wasting C. not to waste D. no waste -2000 MONSTER 4. _____ let anyone open the door. A. Don't B. Will C. Not D. No -1000 MONSTER 5. — Don’t be late again. — Sorry, ______. A. I may B. I must C. I will D. I won’t -1000 祈使句：请命劝建 一、肯定句：（please/人名）+动原… 二、否定句： Don’t+ 动原… Let句式： 别让人做 Don’t + let +宾语+动原… 让人别做 Let +宾语+ not + 动原… 3.No+doing/n. 三、肯定回答：OK/Thanks/Yes, I will. 否定回答：Sorry/Sure, I won’t. 3 Thank you! 1 $