Unit 4 The art of having fun Understanding ideas—Grammar 课件 2025-2026学年外研版英语七年级下册

该初中英语课件聚焦祈使句用法，涵盖Do型、Be型、Let型分类及否定形式（Don't开头、No+doing/n.）等核心知识点。课堂通过视频（如“Sit!”）和Free-talk示例（“Tell me!”“Be careful!”）导入，搭建从直观感知到规则总结的学习支架，帮助学生衔接前后知识。 其亮点在于结合生活场景设计练习，如家务劳动、电影俱乐部海报填空，培养学生语言运用能力。通过分类梳理和否定转换公式（Don't + v.原 = No + v.-ing/n.）提升思维品质，小组讨论“娱乐的重要性”运用“Fun can...”等句型促进学习能力。学生能学以致用，教师教学有具体实例和分层练习支撑，提升效率。

Unit 4 The art of having fun (Understanding ideas—Grammar) 初中英语外研版(2024)七年级下册 通过本节课的学习,同学们将能: 重点:1.掌握本课重点单词和短语。 2.掌握祈使句的用法。 难点:运用英语句型Fun can...; Fun also...; Research shows that fun...; Don’t forget... 等表达娱乐的重要性。 学习目标 Watch a video Free-talk Tell me! 以动词原形开头,无时态和数的变化。 Be careful! Let’s go. 祈使句 祈使句真的没有主语吗? Run away, Simba. Donald, say something! 1. 祈使句一般没有主语,说话的对象都是第 二人称“你”或“你们”,所以也可以理解为 省略了主语you;无主语是因为省略了主语。 2. 特定人群指示,句首句尾加人名。 1. Run away! 2. Be careful! 3. Let’s go! (1) Do型—动词原形开头 (2) Be型—动词Be开头 (3) Let型—动词Let开头 3. 祈使句分类 (a) Imagine staying on an island alone. (b) Don’t forget to take some time out to have fun and enjoy life! Language practice 观察以上句子,有什么特点? 祈使句 肯定祈使句 否定祈使句 含义: 祈使句用来表达叮嘱、劝告、希望、禁止、请求或命令等。 分类: (1) Do型——动词原形开头:动词原形(+宾语)+其他。 eg: Shake hands. 握手。 (2) Be型——动词Be开头:Be+表语(名词或形容词)(+其他)。 eg: Be a good boy! 要做一个好孩子! (3) Let型——动词Let开头:Let+宾语+动词原形 (+其他)。 let sb do sth 让某人做某事 eg: Let me help you. 让我来帮你。 祈使句 肯变否,加上don’t 很容易 Don’t let him go. Don’t shake hands. Be careful! Don’t be careful! Let him go. Shake hands. Let him not go. Do型&Be型否定:句首加Don’t Let型否定 句首加Don’t Let +宾语+not 否定祈使句 变否定还有一情况,No后doing表警告!!! No smoking. 禁止吸烟。 =Don’t smoke. No parking. 禁止停车。 =Don’t park your car. Tip:No后也可加名词。 No food or drinks. =Don’t eat or drink. Don’t +v.原 =No +v.-ing /n. 总结: (1) 祈使句一般没有主语,说话的对象都是第二人 称“你”或“你们”,所以也可以理解为省略 了主语you; (2) 以动词原形开头,无时态和数的变化; (3) 祈使句的否定形式是在动词原形前加Don’t; (4) 在表达请求时,可以加上please,语气更委婉; 表达比较强烈的语气时,可以用感叹号。 【即时练】 1. Tom, _ back to your seat. A. goes B. going C. go 2. _ talk loudly in the library. A. Not B. Don’t C. Be not 3. When you watch a film, please _. A. quiet B. quietly C. be quiet 4. The sign “_” means that people can’t talk there. A. No talking B. No food C . No photos Read the sentences from the reading passage and summarise the grammar rules. (a) Imagine staying on an island alone. (b) Don’t forget to take some time out to have fun and enjoy life! Now find more sentences with these structures in the reading passage. 5 Complete the sentences with the verbs in brackets. Use don’t appropriately. 6 1. _(worry) about winning—just enjoy yourself in sports. 2. _(try) to put fun into your daily life, like listening to music while doing housework. 3. _(read) this passage to find why we should have fun. Don’t worry Try Read 日常生活 家务劳动 Tips:仔细审题,根据句意确定是否用don’t Complete the poster with the verbs in the box. Use don’t appropriately. 7 call enjoy share make join miss out 1_our Film Magic Club for an amazing journey! 2_different stories each week. 3_ your thoughts in exciting discussions. Explore the magic of storytelling and film-making. 4_ friends with other film fans. 5_! Let's share laughter and unforgettable moments together. For more information, 6_ us on 1234567. Join Enjoy Share Make Don’t miss out call Work in pairs. Talk about the importance of having fun. Importance of having fun bringing people closer ... ... ... Useful expressions Fun can... Fun also keeps us... Research shows that fun... Having fun is a good way to... Remember that... Don’t forget to... For example Importance of having fun bringing people closer keep us feeling youthful a good way to connect with others do away with bad feelings and lift our spirits 1. Don’t forget to take some time out to have fun and enjoy life! 别忘了抽出一些时间来玩得开心,享受生活!(原文再现) (1) “Don’t forget to do sth” 是固定用法,表示“不要忘记做某事”。 (2) take some time out 意为“抽出一些时间”。 (3) have fun和enjoy life都是固定短语,分别表示“玩得开心”“享受生活”。 (4) 这是一个祈使句,以“Don’t”开头表示否定的命令或提醒。 【对点练习】 (1) Don’t forget _ your homework before going to bed. A. do B. doing C. to do D. did (2) We should not forget to _ some time out for ourselves. A. make B. put C. take D. bring C C Language points 2. Try to put fun into your daily life, like listening to music while doing housework. 试着在你的日常生活中增加乐趣,比如在 做家务的时候听音乐。(原文再现) while conj.当……时,在……时 辨析while与when (1) 连词while引导时间状语从句时,表示“在……期间,在…… 过程中”,从句中的谓语动词通常用延续性动词,并常用进 行时态。 (2) 连词when引导时间状语从句时,表示“当……时候”,从句 中的谓语动词可以用短暂性动词。 (3) when有时可用来代替while,但while不能代替when。也 就是说,when可以指具体的时间点,也可以指一段时间; 而while只可以指一段时间,不可以指具体的时间点。 [例句] The door bell rang while we were having lunch. 当我们正在吃午饭时,门铃响了。 I was having breakfast when the telephone rang. 我正在吃早饭,这时电话铃突然响了。 While/When we were in Beijing, we met every day. 当我们在北京时,我们每天见面。 【对点练习】 用when或while填空 (1) Never get off the bus _ it is moving. (2) Keep silent _ you are listening to the teacher. (3) What were you doing _ I called you on the phone? (4) Don’t make any noise _ you are in the reading room. (5) I was just leaving the school _ it rained. when while/when when while/when while/when 一、单项选择 1. Don’t _ in class! A. talking B. talks C. talk D. talked 2. Please _ a message in this book. A. write B. writes C. writing 3. Let’s _ a bike. A. riding B. rides C. ride 4. Don’t _ the window. We’re having a class now. A. looking out of B. look out C. look out of C A C C 当堂检测 5. —Please hurry. Don’ t _ school. —OK. A. be late for B. late C. hurry up 6. _ go at the red light. A. Do B. Must C. Don’t 7. _ careful next time. A. Be B. Is C. Are 8. _ a piece of cake, please! A. To have B. Have C. Having B A C A 二、完成句子 1. Don’t forget _(call) me when you arrive. 2. We must remember to take some time out and _(enjoy) the beauty of nature. 3. Don’t _(turn) off the TV. 4. Just imagine yourself _(play) football on the island. to call enjoy turn playing THANKS Lavf59.27.100 $