Unit5知识点-Grammar Focus语法讲义2026-2027学年人教版英语九年级上册

本讲义聚焦九年级英语上册Unit5核心语法被动语态，系统梳理其基本结构“be+过去分词”，涵盖一般现在时、一般过去时、情态动词及一般将来时等时态变化，明确“执行者不明、不重要或承受者更重要”的用法场景，并通过主动被动语态转换搭建完整学习支架。 该资料以高频短语中英互译强化语言积累，设计填空、单选、句型转换及对话等多题型综合练习，助力学生提升语言理解与表达能力。分层练习培养分析推断的思维品质，课后答案便于学生自查自纠，提升自主学习能力，课中辅助教师高效授课，课后帮助学生巩固知识、弥补盲点。

九年级英语上册Unit5知识点-Grammar Focus语法讲义 【要点】 A. Passive voice（被动语态） 1. 被动语态的基本结构：be + 过去分词 当我们不知道或不关心动作的执行者时，或者当动作的承受者更重要时，使用被动语态。 - A mini-camera is connected to the front of the glasses. 一个微型摄像头被连接到眼镜的前部。 - is connected 是一般现在时的被动语态 - e.g. A mini-camera ____________ connected to the front of the glasses. - The oil and salt are also added by the machine itself. 油和盐也由机器本身添加。 - are added 是一般现在时的被动语态 - e.g. The oil and salt ____________ also added by the machine itself. - Toys, chairs, tables, and even houses can all be made by the 3D printer. 玩具、椅子、桌子，甚至房子都可以由3D打印机制作。 - can be made 是情态动词的被动语态 - e.g. Toys, chairs, tables, and even houses can all ____________ made by the 3D printer. - A radio message was sent across the Atlantic Ocean for the first time in 1901. 1901年，一条无线电信息首次被发送穿越大西洋。 - was sent 是一般过去时的被动语态 - e.g. A radio message ____________ sent across the Atlantic Ocean in 1901. 2. 被动语态的时态变化 一般现在时 am/is/are + 过去分词 The object is designed on the computer. 一般过去时 was/were + 过去分词 The telephone was invented in 1876. 情态动词 情态动词 + be + 过去分词 It can be made by the 3D printer. 一般将来时 will be + 过去分词 The bridge will be built next year. 3. 被动语态的用法 - 当我们不知道动作的执行者时： - The window was broken. 窗户被打破了。（不知道谁打破的） - 当动作的执行者不重要时： - The bridge was built in 2000. 这座桥建于2000年。（谁建的不重要） - 当动作的承受者更重要时： - The telephone was invented by Alexander Bell. 电话是由亚历山大·贝尔发明的。（电话是重点，发明者是补充） 4. 主动语态与被动语态的转换 - 主动：Alexander Bell invented the telephone in 1876. - 被动：The telephone was invented by Alexander Bell in 1876. - 主动：People all over the world are connected to each other through the internet. - 被动：People all over the world are connected to each other through the internet.（注意：有些动词的被动形式更常用） 【高频短语汇总】中英互译 1. be connected to __________ 2. __________ 被连接到…… 3. by oneself __________ 4. __________ 由某人自己 5. be invented by __________ 6. __________ 由……发明 7. across the Atlantic Ocean __________ 8. __________ 横跨大西洋 9. for the first time __________ 10. __________ 第一次 11. be completed __________ 12. __________ 被完成 13. above sea level __________ 14. __________ 海拔 15. be used to do __________ 16. __________ 被用来做某事 17. have to be done __________ 18. __________ 必须被做 19. be built __________ 20. __________ 被建造 21. be improved __________ 22. __________ 被改善 【综合练习】 一、用所给动词的正确形式填空（被动语态） 1. The telephone ____________ (invent) by Alexander Bell in 1876. 2. People all over the world ____________ (connect) to each other through the internet. 3. The word “robot” ____________ (introduce) for the first time in a play in 1920. 4. It wasn’t supposed to make such a loud noise when the button ____________ (press) to start the machine. 5. It is believed that the world's oldest wheel ____________ (find) in Eastern Europe. 6. A mini-camera ____________ (connect) to the front of the glasses. 7. The oil and salt ____________ (add) by the machine itself. 8. Toys, chairs, tables, and even houses can all ____________ (make) by the 3D printer. 9. A radio message ____________ (send) across the Atlantic Ocean in 1901. 10. The building of the railway ____________ (complete) in 2006. 二、根据汉语意思完成句子 1. 一个微型摄像头被连接到眼镜的前部。 A mini-camera ____________ connected to the front of the glasses. 2. 油和盐也由机器本身添加。 The oil and salt ____________ also added by the machine itself. 3. 玩具、椅子、桌子，甚至房子都可以由3D打印机制作。 Toys, chairs, tables, and even houses can all ____________ made by the 3D printer. 4. 1901年，一条无线电信息首次被发送穿越大西洋。 A radio message ____________ sent across the Atlantic Ocean in 1901. 5. 电话是由亚历山大·贝尔在1876年发明的。 The telephone ____________ by Alexander Bell in 1876. 6. “机器人”这个词是在1920年的一部戏剧中首次被介绍的。 The word “robot” ____________ for the first time in a play in 1920. 7. 世界上已知的最古老的车轮被认为是在东欧发现的。 The world’s oldest wheel is believed ____________ (find) in Eastern Europe. 8. 青藏铁路于2006年完工。 The Qinghai-Xizang Railway ____________ completed in 2006. 三、用所给动词的正确形式填空（被动语态） 1. The Qinghai-Xizang Railway ____________ (connect) Xining to Lhasa, and it is the highest railway in the world. 2. The building of the railway was a great challenge. Creative ideas ____________ (need) to solve different problems. 3. In summer, pipes ____________ (use) to keep the ground hard. 4. In some places, tunnels had to ____________ (create) instead. 5. In some other places, bridges ____________ (build) to keep the railway up above the ground. 6. These bridges ____________ (allow) animals to pass under the tracks. 7. The railway has ____________ (increase) tourism and economic development in the area. 8. The lessons learnt from building this railway will help ____________ (improve) transport in other places. 四、单项选择 ( ) 1. The telephone ________ by Alexander Bell in 1876. A. invent B. invented C. was invented D. is invented ( ) 2. People all over the world ________ to each other through the internet. A. connect B. connected C. are connected D. were connected ( ) 3. The word “robot” ________ for the first time in a play in 1920. A. introduce B. introduced C. was introduced D. is introduced ( ) 4. A mini-camera ________ to the front of the glasses. A. connect B. connected C. is connected D. was connected ( ) 5. Toys, chairs, and even houses can all ________ by the 3D printer. A. make B. made C. be made D. be making ( ) 6. A radio message ________ across the Atlantic Ocean in 1901. A. send B. sent C. was sent D. is sent ( ) 7. The Qinghai-Xizang Railway ________ in 2006. A. complete B. completed C. was completed D. is completed ( ) 8. The button ________ to start the machine. A. press B. pressed C. is pressed D. was pressing ( ) 9. It is believed that the world’s oldest wheel ________ in Eastern Europe. A. find B. found C. was found D. is found ( ) 10. The lessons learnt from building the railway will help ________ transport. A. improve B. improved C. improving D. to improve 五、将下列主动语态改为被动语态 1. Alexander Bell invented the telephone in 1876. ____________ 2. The machine adds the oil and salt. ____________ 3. The 3D printer makes toys, chairs, and tables. ____________ 4. People sent a radio message across the Atlantic Ocean in 1901. ____________ 5. The government completed the Qinghai-Xizang Railway in 2006. ____________ 六、完成对话（用被动语态） A: What do you think is the most useful invention? B: I think the telephone is. It ____________ (invent) in 1876. A: Who ____________ it ____________ (invent) by? B: It ____________ (invent) by Alexander Bell. A: What about the 3D printer? B: It ____________ (use) to make many things, like toys, chairs, and even houses. A: Wow! When ____________ it ____________ (develop)? B: It ____________ (develop) in the 1980s. 【答案】 一、 1. was invented 2. are connected 3. was introduced 4. was pressed 5. was found 6. is connected 7. are added 8. be made 9. was sent 10. was completed 二、 1. is 2. are 3. be 4. was 5. was invented 6. was introduced 7. to have been found 8. was 三、 1. connects 2. were needed 3. were used 4. be created 5. were built 6. allow 7. increased 8. improve 四、 1. C 2. C 3. C 4. C 5. C 6. C 7. C 8. C 9. C 10. A 五、 1. The telephone was invented by Alexander Bell in 1876. 2. The oil and salt are added by the machine. 3. Toys, chairs, and tables are made by the 3D printer. 4. A radio message was sent across the Atlantic Ocean in 1901. 5. The Qinghai-Xizang Railway was completed by the government in 2006. 六、 1. was invented 2. was, invented 3. was invented 4. is used 5. was, developed 6. was developed 1 学科网（北京）股份有限公司 $