Unit 1 单元语法：方式介词by、 with、in（精讲课件）-2025-2026学年九年级英语全一册单元知识点精讲精练（人教版）

该初中英语单元复习课件系统梳理了方式介词by、in、with的核心用法，通过分模块讲解“by+doing表方式”“in表语言/穿着”“with表工具/伴随”等知识点，并结合对比辨析构建知识网络，帮助学生建立完整的介词用法体系。 其亮点在于采用“情境问答-对比辨析-分层练习”的复习策略，如设计“How do you learn English?”的情境对话训练“by+doing”表达，通过课本匹配题夯实基础，课外拓展题提升应用能力，培养学生的语言运用和自主学习能力。这种设计兼顾基础与提升，助力教师精准复习，有效巩固介词用法。

E L N G I S H 九 Unit 1 How can we become good learners? 人教版初中英语语法 年 级 全 一 册 版权声明 感谢您下载平台上提供的PPT作品，为了您和熊猫办公以及原创作者的利益，请勿复制、传播、销售，否则将承担法律责任！熊猫办公将对作品进行维权，按照传播下载次数进行十倍的索取赔偿！ 1.在熊猫办公出售的PPT模板是免版税类（RF：Royalty-Free）正版受《中国人民共和国著作法》和《世界版权公约》的保护，作品的所有权、版权和著作权归熊猫办公所有，您下载的是PPT模板素材的使用权。 2.不得将熊猫办公的PPT模板、PPT素材，本身用于再出售，或者出租、出借、转让、分销、发布或者作为礼物供他人使用，不得转授权、出卖、转让本协议或者本协议中的权利。 人教版8年级上册（单元） 语法点 Unit 1. How can we become good learners? * 表达方式手段材料的介词 by, with, in Unit 2 . I think that moon cakes are delicious! * that/ if/ whether引导的宾语从句 * 感叹句 Unit 3. Could you please tell me where the restrooms are？ * 特殊疑问词引导的宾语从句 * 情态动词 Unit 4. I used to be afraid of the dark.  * used to用法 *一般现在时 *一般过去时 Unit 5. What are the shirts made of?  *一般现在时的被动语态 Unit 6. When was it invented? *一般过去时的被动语态 Unit 7. Teenagers should be allowed to choose their own clothes * 含有情态动词的被动语态 Unit 8. It must belong to Carla * 情态动词表推测 （can could should might must ) Unit 9. I like music that I can dance to * 定语从句 Unit 10. You are supposed to shake hands. * if条件句 * be supposed to *状语从句 Unit11. Sad movies make me cry * make 的使役用法 Unit12. Life is full of the unexpected * 过去完成时 * 宾语从句 Unit 13. We are trying to save the earth! * 现在进行时 *现在完成时 *被动语态 Unit 14. I remember meeting all of you in Grade 7 * 一般现在时 *一般过去时 *一般将来时 版权声明 感谢您下载平台上提供的PPT作品，为了您和熊猫办公以及原创作者的利益，请勿复制、传播、销售，否则将承担法律责任！熊猫办公将对作品进行维权，按照传播下载次数进行十倍的索取赔偿！ 1.在熊猫办公出售的PPT模板是免版税类（RF：Royalty-Free）正版受《中国人民共和国著作法》和《世界版权公约》的保护，作品的所有权、版权和著作权归熊猫办公所有，您下载的是PPT模板素材的使用权。 2.不得将熊猫办公的PPT模板、PPT素材，本身用于再出售，或者出租、出借、转让、分销、发布或者作为礼物供他人使用，不得转授权、出卖、转让本协议或者本协议中的权利。 2 方式介词 by 1 方式介词 in 2 方式介词 with 3 目录 CONTENTS 行业PPT模板http://www.XX.com/hangye/ Unit 1. How can we become good learners? PART 01 方式介词by “by+doing 形式” 表示方式、方法 “by + 动名词（doing）” 是初中英语中常用的结构，主要用来表示做某事的方式、方法或手段，意为 “通过……；靠……；用…… 方式”。 “by” 可以用来表示采用某种方式、手段或途径，它后面可以跟名词、代词，也可以跟动名词（动词 - ing 形式）。在本单元中，我们的学习重点是 “by” 后面接动名词的用法。 读一读 学习方面： You can improve your writing skills by keeping a diary every day. 你可以通过每天写日记来提高写作技巧。 He memorizes English words by making flashcards. 他通过制作单词卡片来记忆英语单词。 生活方面： I relax myself by listening to music after a long day of work. 在漫长的一天工作后，我通过听音乐来放松自己。 She keeps fit by doing yoga regularly. 她通过定期做瑜伽来保持健康。 读一读 工作方面： He finished the project ahead of time by working overtime. 他通过加班提前完成了项目。 交通出行方面： She goes to school by riding a bike, which is good for her health and the environment. 她骑自行车上学，这对她的健康和环境都有好处。 社交方面： He made many new friends by joining various clubs at school. 他通过参加学校的各种俱乐部结交了许多新朋友。 提问方式 How do you/ I...？ 用法结构 提问：How can you / I + 动词原形 + 其他？ 回答：You / I can + 动词原形 + by + 动名词... --How can I improve my English? 我怎样才能提高英语水平？ --You can improve your English by reading English books every day. 你可以通过每天读英语书来提高英语水平。 --How can you keep healthy? 你怎样才能保持健康？ --I can keep healthy by exercising for an hour every morning. 我可以通过每天早上锻炼一小时来保持健康。 --How can I improve my English? 我怎样才能提高英语水平？ --You can improve your English by reading English books every day. 你可以通过每天读英语书来提高英语水平。 --How can you keep healthy? 你怎样才能保持健康？ --I can keep healthy by exercising for an hour every morning. 我可以通过每天早上锻炼一小时来保持健康。 1. by+交通工具 “乘/坐...” 介词by的其他用法 by bike（骑自行车） She usually goes to school by bike. 她通常骑自行车上学。 by bus（乘公共汽车） We can get to the park by bus. 我们可以乘公共汽车去公园。 by car（乘小汽车） They often travel by car on weekends. 他们周末经常开车旅行。 by train（乘火车） My parents will come here by train next week. 我父母下周将乘火车来这儿。 by plane / by air（乘飞机） It’s fast to go to Beijing by plane. 乘飞机去北京很快。 by ship / by boat（乘船） They crossed the sea by ship. 他们乘船渡海。 介词by的其他用法 2. by+地点 “在...的旁边； 靠近...” by the window（在窗户旁边） She likes sitting by the window when she reads.她读书时喜欢坐在窗户旁边。 by the door（在门旁边） Please put your bag by the door before entering.进门前请把你的包放在门旁边。 by the river（在河边） We often have a picnic by the river on sunny days.晴天时我们经常在河边野餐。 by the road（在路边） There is a small shop by the road.路边有一家小商店。 by the sea（在海边） They bought a house by the sea so they can enjoy the view every day.他们在海边买了房子，这样每天都能欣赏风景。 by the tree（在树旁边） A little girl is playing by the tree. 一个小女孩正在树旁边玩耍。 3. by+时间 “截止到...； 不迟于...” 介词by的其他用法 by + 具体时间点： by 9 o‘clock：Please be home by 9 o’clock. 请在 9 点前到家。 by noon：The package should be delivered by noon. 包裹应该在中午前送达。 by + 日期： by May 1st：We need to submit the report by May 1st. 我们需要在 5 月 1 日前提交报告。） by December 31st：All the payments must be made by December 31st. 所有款项必须在 12 月 31 日前支付。 by + 时间段： by the end of this week：I will finish reading the book by the end of this week. 我会在本周末前读完这本书。 by next month：They will move to the new house by next month. 他们将在下个月前搬到新房子里。 PART 02 方式介词in 在初中英语中，介词 in 是使用频率极高的方式介词，主要用于表示 “用…… 方式 / 手段”“以…… 语言”“穿着……（衣物 / 颜色）” 等。 1. 表示 “用…… 语言 / 文字” in + 语言 She can sing in English. 她会用英语唱歌。 Please write your name in Chinese. 请用中文写下你的名字。 in + 文字 / 符号 The notice is written in red ink. 通知是用红墨水写的。 He drew a cat in pencil. 他用铅笔画了一只猫。 2.表示 “用…… 材料 / 工具” in + 材料 The table is made in wood?（× 错误：材质用 of，此处 in 强调 “用木材制作的方式” 时，正确表达为 The table is made of wood，但 in 可用于 “write in wood” 表示 “在木头上写”） She wrapped the gift in paper. 她用纸包装礼物。 in + 工具（抽象） We can communicate in sign language. 我们可以用手语交流。 3.表示 “穿着……（衣物 / 颜色）” in + 衣物 The girl in a red dress is my sister. 穿红裙子的女孩是我妹妹。 He came to the party in a suit. 他穿西装来参加派对。 in + 颜色 Do you know the boy in blue? 你认识那个穿蓝色衣服的男孩吗？ The house in white looks very beautiful. 那座白色的房子看起来很漂亮。 PART 03 方式介词with 介词 with 作为方式介词时，主要表示 “用…… 工具 / 手段”“伴随…… 状态” 等，强调通过具体的工具、身体部位或伴随的情况完成动作。 1.表示 “用…… 工具 / 物品” with + 工具名词 We cut the cake with a knife. 我们用刀切蛋糕。 She writes letters with a pen. 她用钢笔写信。 注意：此处的 “工具” 是具体的实物，区别于 in 所接的 “材料”（如 in ink 用墨水，强调材料性质）。 2. 表示 “用…… 身体部位” 指通过身体的某个部位完成动作，后接身体部位名词。 He pointed to the map with his finger. 他用手指着地图。 The baby is hitting the table with his hands. 宝宝用手拍桌子。 3.表示 “伴随…… 状态 / 情况” with + 名词（表状态） She came into the room with a smile. 她笑着走进房间。 He slept with the window open. 他开着窗户睡觉。 with + 复合结构（名词 + 形容词 / 介词短语等） The teacher entered the classroom with a book in his hand. 老师手里拿着一本书走进教室。 1 by 2 3 in with 辨析by、with、in，“用” 侧重“用”某种手段、交通工具、传递方式或媒介等 侧重“用”有形工具、材料、内容等 侧重“用”语言、语调、笔墨、颜色等 课本练一练 1.c 2.e 3.f 4.a 5.b 6.d 课本练一练 课本练一练 ·I like to learn math by solving new math problems every day. ·I like to practice my physics by doing extra exercises.· · I like to improve my chemistry by memorizing chemical terms and doing experiments. · I like to practice my Chinese by keeping a diary in Chinese.· · I like to improve my history and geography by watching historical and geographical programs. 我喜欢通过每天解新的数学题来学习数学。 我喜欢通过做额外的练习题来练习物理。 我喜欢通过记忆化学术语和做实验来提高化学成绩。 我喜欢通过用中文写日记来练习语文。 我喜欢通过看历史和地理类节目来提高历史和地理成绩。 课外拓展 1．Before making the salad, remember to fill the bowl ________ fresh vegetables. A．from B．on C．with D．by 2．I managed to hit the dog ________ a stick. A．with B．in C．on D．from 3．I improve my spoken English ________ watching English movies. A．of B．on C．by D．in 4．More and more people in Lijiang choose to go to Kunming ________ high-speed railway. A．in B．with C．by D．for 5．—How do you make yourself relaxed before you give a speech? —________ taking a deep breath. A．With B．On C．For D．By C A C C D 6．Nowadays, most people do their shopping ________ the Internet. A．by using B．with using C．through use D．for using 7．In order to improve our writing skills, our teacher asked each of us to keep a dairy ________ English every day. A．at B．on C．in 8．Tim goes to school _________ every day. It’s five minutes’ walk from his home to school. A．by bus B．by bike C．on foot D．by train 9．—________ do you learn English words? —________ making word cards. A．How, To B．How, By C．What, For D．What, By 10．—Wow! Your English is so good. How do you learn it? —_________ listening to the radio. A．By B．In C．With A C C B A 课外拓展 11．Next week I will go to Mount Emei ________ plane. But my parents would like to go there ________ a train. A．on; by B．by; on C．by; in D．in; by 12．Paper is made ________ wood and newspaper is made ________ paper. A．of, from B．from, of C．by, from 13．Uncle Wang communicated with the foreigners ________ using body language when traveling abroad. A．after B．by C．when 14．What’s this ________ English? A．in B．/ C．an D．the 15．We hope to make the poster more interesting ________ this way. A．in B．on C．with D．from B B B A A 课外拓展 16．Mike can ________ French well, but I don’t know if he can write a letter ________ French. A．say; in B．say; with C．speak; in D．speak; with 17．Amy teaches herself English ________ watching English movies and talk shows. A．by B．with C．after 18．I draw pictures ________ my new markers. A．at B．with C．on D．by 19．—How do you study for a test, Eric? —I study ________ working with a group. A．on B．with C．in D．by 20．—How do your school test students’ speaking ability? —________ having man-machine conversation oral exams. A．For B．With C．By D．To C A B D C 课外拓展 21．These young people helped the villagers sell fruit and vegetables ________ live streaming . A．through B．along C．across 22．—How do you learn English grammar? —I study ________ reading English stories. A．on B．by C．with 23．The water rises up to the Leaf ________ the Stem. A．at B．across C．along D．through 24．—Hi, Liu Ming. You come to school in a car today. —Yes, but I often come to school ________ bike. A．on B．by C．in 25．—________ do you study English? ________ listening to tapes. A．How; By B．Where; With C．When; By D．How; With A B D B A 课外拓展 26．The eco-tourism project helps villagers earn more money _____destroying the environment. A．without B．with C．by D．for 27．—Why was the American tourist surprised at the popularity of mobile payment in China? —Because people prefer to buy things ________ paper money in his country. A．by B．with C．for 28．—What fluent English you speak! ________ can I improve my spoken English? —________ listening to VOA Special English every day. A．How; By B．What; By C．How; With D．What; with 29．Miss Lee is a kind teacher. She always encourages us ________ warm words. A．for B．with C．about 30．In order to protect the environment, many people choose to go to work ________ subway. A．in B．on C．by D．for A B A B C 课外拓展 E L N G I S H THE END 版权声明 感谢您下载平台上提供的PPT作品，为了您和熊猫办公以及原创作者的利益，请勿复制、传播、销售，否则将承担法律责任！熊猫办公将对作品进行维权，按照传播下载次数进行十倍的索取赔偿！ 1.在熊猫办公出售的PPT模板是免版税类（RF：Royalty-Free）正版受《中国人民共和国著作法》和《世界版权公约》的保护，作品的所有权、版权和著作权归熊猫办公所有，您下载的是PPT模板素材的使用权。 2.不得将熊猫办公的PPT模板、PPT素材，本身用于再出售，或者出租、出借、转让、分销、发布或者作为礼物供他人使用，不得转授权、出卖、转让本协议或者本协议中的权利。 $$