祈使句课件2025-2026学年人教版七年级英语下册

该初中英语课件聚焦祈使句教学，系统涵盖定义、核心特点、肯定/否定形式及反意疑问句等内容。通过即学即练衔接前后知识，以分类讲解、结构公式及口诀构建学习支架，帮助学生逐步掌握祈使句用法。 其亮点在于通过讲练结合与分类突破，如“即学即练”即时巩固、“拔高训练”辨析Don't be与No+doing等易错点，结合口诀强化记忆，助力学生提升语言能力与思维品质。教师可直接使用系统内容，学生则能在练习中夯实基础，培养自主学习能力。

祈使句 imperative sentences 1 CONTENT Part 01 祈使句定义 Part 02 祈使句核心特点 Part 03 祈使句肯定形式 Part 04 祈使句否定形式 Part 05 反意疑问句 Part 06 巩固练习 2 祈使句定义 Part 01 3 祈使句定义 祈使句是用来表示请求、命令、叮嘱、邀请、劝告或祝愿等语气的句子。 Open the door, please. 请开门。 Don’t talk in class. 课堂上不要说话。 This way, please. 请这边走。 4 祈使句核心特点 Part 02 5 祈使句核心特点 1. 祈使句暗含的主语默认是第二人称you，写句子的时候会省略you。 2. 肯定祈使句：直接用动词原形放在句子最开头； 否定祈使句：在动词原形前面加 Don’t； Be、Let引导的祈使句：Be/Let放句首，后面继续搭配动词原形。 3. 句末通常用句号或感叹号 4. 有时为了表示委婉的语气，可以在句首或句尾加上 please。 please 加在句尾时，要用逗号与前面的内容隔开。 Write your name on this line, please. 请将你的名字写在这条线上。 6 即学即练 (1) ________ your pencil on the notebook, please. A. Put B. Puts C. To put (2) ________ run in the classroom, it’s dangerous. A. Not B. Don’t C. Doesn’t (3) Close your notebook, ________. A. please B. a please C. the please 7 祈使句肯定形式 Part 03 8 Be型肯定祈使句 be型祈使句，句首用原形Be，后面搭配形容词或带冠词的名词短语（名词不能孤零零单用）。 Be quiet! 安静！ Be a good student! 做一名好学生！ Be kind to our sister. 对我们的妹妹要和善。 9 Do型肯定祈使句 句首直接使用实义动词原形，动词后搭配宾语、状语等句子成分 Open the door. 打开门。 Sit down, please. 请坐下。 Do your homework first, Tom. 先做你的家庭作业，汤姆。 10 Let型肯定祈使句 let型祈使句，以 let 开头，结构为 Let + 宾语 + 动词原形(+其他) Let's go to the park. 我们去公园吧。 Let me help you. 让我帮你。 Let's go swimming on Sunday! 我们星期日去游泳吧！ 11 即学即练 1. ___________ (be) quiet in the classroom, please. 2. ___________ (close) your books now. 3. Let’s ___________ (play) basketball after school. 4. Let me ___________ (help) you carry the box. 5. ___________ (be) a polite boy at home. Be Close play help Be 12 拔高训练 (1) Please ______ your umbrella when you go out. It’s raining. A. taking B. takes C. take D. to take (2) ______ sure to turn off the lights before you leave the room. A. Be B. Being C. To be D. Is (3) ______ along this street, and you can find the park on your right. A. Walking B. Walk C. Walks D. To walk (4) Just ______ relaxed and enjoy your weekend. A. being B. to be C. be D. are (5) ______ your best, and you will pass the coming test. A. Trying B. Try C. Tries D. To try 13 祈使句否定形式 Part 04 14 be 型否定祈使句 Be型否定祈使固定用 Don’t be…，不能直接写成 Be not + 表语（口语例外，书面祈使不用Be not开头） 结构公式：Don’t be + 形容词/名词/介词短语 Don't be late! 别迟到！ Don't be noisy! 别吵闹！ Don't be a lazy boy.别做懒惰的孩子！ 15 Don’t型否定祈使句 实义动词型否定祈使句的结构： Don't + 动词原形(+其他) Don't run in the hallways. 不要在走廊里跑。 Don't eat in class. 不要在课堂上吃东西。 Don't use your phone while reading. 阅读时不要使用手机。 16 即学即练 提示：否定祈使句结构：Don’t + 动词原形 (1) ____________ (be) late for school again. (2) ____________ (play) football on the busy road. (3) ____________ (speak) loudly in the reading room. (4) ____________ (leave) your books on the desk. (5) ____________ (drink) cold water right after meals. Don't be Don't play Don't speak Don't leave Don't drink 17 Let型否定祈使句 let型否定祈使句 两种常见形式： ① Let + 宾语 + not + 动词原形 ② Don't let + 宾语 + 动词原形 Let him not go there. 别让他去那里。 Don't let the child play with fire. 别让孩子玩火 18 No型否定祈使句 公共场合提示语 常用 No + 名词/v-ing 形式，表示“禁止做某事” No smoking! 禁止吸烟！ No parking! 禁止停车！ No littering! 禁止乱扔垃圾！ No photos！ 19 Never型否定祈使句 Never 放在句首时，语气比 Don't 更强烈，带有“绝对禁止、千万不要”的警告意味。结构和普通祈使句一样，后面接动词原形，不需要改变形式。 Never cross the street when the traffic light is red. 永远不要在红灯时横穿马路。 Never leave the classroom without telling the teacher. 千万不要不告诉老师就离开教室。 20 祈使句口诀 祈使句，无主语， 动词原形作开头， 表示请求或命令， 加上please表客气， 若想变成否定句， Don't 开头莫忘记。 。 21 即学即练 (1) ______ too much sugar. It’s bad for your teeth. A. Not eat 　 B. Don’t eat C. No eat　 D. Doesn’t eat (2) ______ noisy in the reading room, boys. A. Don’t be　 B. Not be C. No being　 D. Don’t being (3) —Look at the sign! No ______ here. —Sorry, I won’t do it again. A. park 　 B. parking C. to park　 D. parks (4) ______ your mobile phone when you have a test. A. Not use　 B. No using C. Don’t use　 D. Doesn’t use (5) Please ______ let the little kid climb the tall tree. It’s dangerous. A. don’t　 B. not C. no　 D. isn’t 22 拔高训练 考点：Don't+原形、Don't be、no+名词/动名词易错辨析 (1) ____________ (not make) so much noise, the baby is sleeping. (2) ____________ ( be ) careless with your exam papers. (3) No ___________ (smoke) in this building.（固定No+doing） (4) ___________ (not let) him swim alone in the lake. (5) ___________ (not play) tricks on your classmates. (6) No ___________ (run) in the hospital hallways. Don't make Don't be smoking Don't let Don't play running 23 反 意 疑 问 句 Part 05 24 1.肯定祈使句的反意疑问句 肯定祈使句（正常让别人做事） 陈述部分是肯定含义的祈使句，末尾疑问部分可用：will you / won't you / would you Be quiet for a moment, will you? 安静一会儿，好吗？ 25 2.否定祈使句的反意疑问句 否定祈使句（Don't开头，禁止做事） 陈述部分为否定祈使句，疑问后缀只能用will you，没有别的选项。 Don’t make noise, will you? 别吵闹，好吗？ Don’t be late, will you? 别迟到，行吗？ 26 3.Let开头祈使句的反意疑问句 Let’s （包含听话人）→ 反意疑问句：shall we Let’s take a walk after supper, shall we? 晚饭后我们去散步，好吗？ 肯定：Yes, we shall. 否定：No, we shan’t. Yes, we shall./No, we shan’t. 只用于回答Let’s引导的问句。 Let us（包含听话人、不包含说话人）→ 反意疑问句：will you Let us go, will you? 让我们去吧，行吗？（征求对方许可） 肯定：Yes, you may. 否定：Sorry, you can’t. 27 祈使句的反意疑问句回答 1. 肯定祈使：尾缀三选一（will/won’t/would you） 2. 否定祈使：固定只用will you 3. Let’s永远配shall we，Let us看语义二选一 口 诀： 肯祈尾有三备选，will/won’t/would you； 否祈末尾定死规，一律只用will you； Let’s含人shall we，Let us分义两法随； 求准放行will you，结伴同游shall we。 28 即学即练 (1) Let’s go for a walk after supper, __________? A. will you　 B. shall we C. won’t you　 D. don’t we (2) Close the window, please, __________? A. don’t you　 B. do you C. will you　 D. shall we (3) Don’t make any noise, __________? A. will you　 B. won’t you C. do you　 D. shall we (4) Let him help you, __________? A. shall we　 B. will you C. does he　 D. doesn’t he (5) Let us visit the museum, __________? A. shall we　 B. will you C. can we　 D. do you 29 巩固练习 Part 06 30 Homework（祈使句综合拔高单选5题） (1) __________ any food in the lab, it’s against the rules. A. Not eat　 B. Don’t eat C. No eat　 D. Doesn’t eat (2) No __________ on the wet floor, or you may fall down. A. run　 B. to run C. running　 D. runs (3) Let the children __________ play near the river, it’s too dangerous. A. don’t　 B. not C. no　 D. aren’t (4) Let’s enjoy the cartoon together, __________? A. will you　 B. won’t you C. shall we　 D. do we (5) Help me move the box, __________? A. shall we　 B. will you C. don’t you　 D. are you 31 Homework（用所给词的正确形式填空） 1. ____________ (not make) the little boy cry again. 2. No ____________ (cross) the road when the light is red. 3. __________ (be) careful when you walk on the icy road. 4. Let the students __________ (not draw) pictures on the desk. 5. Let’s plan a picnic this Sunday, __________? 6. Let us borrow your dictionary for a moment, __________? Don’t make crossing Be not draw shall we will you 32 Thanks for watching 33 $