Unit5 Section A同步讲义（语法）-2026-2027学年人教版九年级英语上册

本讲义聚焦九年级上册Unit5 Section A被动语态核心语法点，从主动与被动语态的基础区分入手，系统梳理一般现在时、一般过去时、情态动词被动语态的结构及用法，通过主动变被动步骤解析和必背易错点归纳，辅以多样化配套练习，构建完整的语法学习支架。 资料以教材原句和重点短语为依托，助力学生提升语言理解与表达能力，通过步骤化转换方法培养逻辑思维品质，分层练习设计兼顾课中教学辅助与课后自主复习，有效帮助学生夯实基础、查漏补缺，体现英语学科“学用结合”的教学特色。

九年级上册Unit5 Section A 同步精讲讲义（语法-被动语态1） 基础区分 1. 主动语态：主语发出动作 Workers invent new tools. 工人发明新工具。 2. 被动语态：主语是动作承受者，核心公式：主语 + be + 动词过去分词 (done) be动词随时态、人称单复数变化，过去分词固定不变； 【执行者加 by + 动作发出者，无需强调可省略。】 结构 1. 一般现在时被动语态（描述客观发明、常态） 肯定：am / is / are + done 否定：am / is / are + not + done 疑问：Am / Is / Are + 主语 + done · 教材原句例句： 主动：People make paper in ancient China. 被动：Paper is made in ancient China. 主动：Workers produce 3D printers. 被动：3D printers are produced. 否定：Mini-cameras are not sold in this shop. 疑问：Are many tools used for invention? · 课本重点短语 be used to do = be used for doing 被用来做…… Knives are used to cut things. = Knives are used for cutting things. 2. 一般过去时被动语态 肯定：was / were + done 否定：was / were + not + done 疑问：Was / Were + 主语 + done · 教材原句例句： 主动：Bell invented the telephone in 1876. 被动：The telephone was invented in 1876. 主动：People built the old railway in 1901. 被动：The old railway was built in 1901. 否定：The paper was not invented in the Tang Dynasty. 疑问：Were many trees planted last year? 3. 情态动词被动语态 情态动词 + be + done · 教材原句例句： We can send rovers to Mars. → Rovers can be sent to Mars. We must protect space stations. → Space stations must be protected. We should study space knowledge. → Space knowledge should be studied. 否定：Rocket rules must not be broken. 疑问：Can new telescopes be launched soon? 主动变被动步骤 1. 主动宾语 → 被动主语 2. 谓语改成对应时态be+done 3. 主动主语前加by，放句尾，可省略 4. 时间、地点状语直接照搬 必背易错点 1. 只有及物动词有被动；happen、arrive等不及物动词无被动 An accident was happened. 错误，happen为不及物动词，没有被动。 An accident happened. 正确 2. 情态动词后只能用原形be，禁止is/was The task can finished. 错误，be done表示被动，缺一不可。 The task can be finished. 正确 配套练习 一、单项选择 1. Many useful inventions ____ by ancient Chinese people long ago. A. invent B. invented C. are invented D. were invented 2. We ____ more space stations in the future, but now they ____ built step by step. A. will send; can be B. send; can C. are sent; can be D. sent; could 3. This kind of robot ____ to help students with their study every day. A. uses B. is used C. used D. was used 4. —Can this old bridge ____ again? —Yes, workers will fix it soon. A. repair B. repaired C. be repaired D. be repairing 5. Paper ____ by Cai Lun in 105 CE. It changed the whole world. A. creates B. created C. is created D. was created 6. All students ____ to wear school uniforms at our school. A. require B. are required C. required D. were required 7. The photos of Mars ____ back to Earth by Zhurong rover last year. A. send B. sent C. are sent D. were sent 8. You ____ waste water. It ____ well protected. A. can’t; must be B. can’t be; must C. don’t; must be D. won’t; must 9. These folk songs ____ in our village every evening. A. sing B. are sung C. sang D. were sung 10. The first Olympic Games ____ in ancient Greece thousands of years ago. A. hold B. are held C. held D. were held 11. —Must the homework ____ before eight tonight? —Yes, our teacher is strict with us. A. finish B. finished C. be finished D. be finishing 12. This new telescope ____ for space research now. A. uses B. is used C. used D. was used 13. Lots of trees ____ on the hills every spring to stop sandstorms. A. plant B. planted C. are planted D. were planted 14. The old houses ____ last winter, and new flats stand there now. A. pull down B. are pulled down C. pulled down D. were pulled down 15. We ____ more rockets, but many new ones ____ next year. A. launch; will be B. launch; can be C. are launched; can D. launched; could 16. This storybook ____ to me by my grandma on my 12th birthday. A. gives B. gave C. is given D. was given 17. Nobody ____ to run in the library. It’s the rule. A. allows B. is allowed C. allowed D. was allowed 18. All rubbish ____ into different bins, or the environment will get worse. A. can divide B. can be divided C. divides D. divided 19. The beautiful pipa music ____ at the concert yesterday afternoon. A. play B. plays C. was played D. is played 20. Every student ____ a chance to join the space club this term. A. gives B. is given C. gave D. was given 二、用所给词适当形式填空 1. People ________ (invent) paper thousands of years ago. 2. Paper ________ (use) widely all over the world now. 3. We ________ (must keep) our classroom clean every day. 4. The classroom ________ (must keep) clean by us every day. 5. Workers ________ (build) a new science lab last year. 6. The lab ________ (finish) two months ago. 7. Scientists ________ (send) new satellites into space every year. 8. Satellites ________ (help) us study the Earth. 9. This kind of tool ________ (make) of bamboo. 10. These spacesuits ________ (can carry) to the space station soon. 三、句型转换 1. People grow rice in southern China. ______________________________________________________________ 2. Bell invented the telephone in 1876. ______________________________________________________________ 3. We can take books out of this reading room. ______________________________________________________________ 4. Farmers plant greenhouses on the hills now. ______________________________________________________________ 5. Students clean the school playground every afternoon. ______________________________________________________________ 6. People produce high-speed trains in our country. ______________________________________________________________ 7. We should protect all kinds of wild animals. ______________________________________________________________ 8. Workers built the Mombasa-Nairobi railway in 2017. ______________________________________________________________ 9. Many students speak English in class every day. ______________________________________________________________ 10. People may watch the space show online. ______________________________________________________________ 四、中译英 1. 电脑每天被成千上万的学生使用。 ______________________________________________________________ 2. 这条铁路是2006年完工的。 ______________________________________________________________ 3. 垃圾必须被分类处理。 ______________________________________________________________ 4. 人们在古代发明了丝绸。 ______________________________________________________________ 5. 传统音乐在全世界被喜爱。 ______________________________________________________________ 6. 我们应该保护所有的植物。 ______________________________________________________________ 7. 火星探测器去年被送到太空。 ______________________________________________________________ 8. 这些旧照片可以保存在这个盒子里。 ______________________________________________________________ 9. 每年春天，村民们都会种很多树。 ______________________________________________________________ 10. 这种机器是用来做饭的。 ______________________________________________________________ 11. 2008年奥运会在北京举办。 ______________________________________________________________ 12. 学生们每天打扫教室。 ______________________________________________________________ 13. 太空知识应该被更多年轻人学习。 ______________________________________________________________ 14. 蔡伦在公元105年造出了纸。 ______________________________________________________________ 15. 所有的问题都能在课上被讨论。 ______________________________________________________________ 全部习题答案+详细解析 一、单项选择（20题） 1. 答案：D 解析：时间状语long ago（很久以前）为一般过去时；inventions（发明物）是动作承受者，用一般过去被动was/were done，主语复数用were invented。 2. 答案：A 解析：前半句we为主语主动，用一般将来will send；后半句they指代空间站，是承受者，情态can+be done构成情态被动。 3. 答案：B 解析：every day是一般现在标志；robot“被使用”，单数主语用is used（be used to do 被用来做）。 4. 答案：C 解析：情态动词Can后必须加be，再接动词过去分词，构成情态被动be repaired。 5. 答案：D 解析：in 105 CE为过去时间；paper是承受者，单数一般过去被动was created。 6. 答案：B 解析：学校规定为常态一般现在；students“被要求”，复数are required。 7. 答案：D 解析：last year过去时间；photos“被传回地球”，复数were sent。 8. 答案：A 解析：you主动，直接用can’t；it指代水资源，“必须被保护”情态被动must be。 9. 答案：B 解析：every evening常态一般现在；songs“被演唱”复数are sung。 10. 答案：D 解析：thousands of years ago过去时；games复数，“被举办”were held。 11. 答案：C 解析：情态Must后接be+过去分词，作业“被完成”be finished。 12. 答案：B 解析：now一般现在；telescope单数，“被用于研究”is used。 13. 答案：C 解析：every spring常态；trees复数“被种植”are planted。 14. 答案：D 解析：last winter过去；houses复数“被拆除”were pulled down。 15. 答案：A 解析：前半句we主动用一般现在launch；后半句new ones“能够被制造”can be。 16. 答案：D 解析：on my 12th birthday过去时间；storybook单数“被赠予”was given。 17. 答案：B 解析：图书馆规则常态；nobody作单数，“不被允许奔跑”is allowed。 18. 答案：B 解析：情态can+be done，rubbish“能够被分类”can be divided。 19. 答案：C 解析：yesterday afternoon过去；music不可数，“被演奏”was played。 20. 答案：B 解析：this term常态；student单数“被给予机会”is given。 二、用所给词适当形式填空（10题） 1. 答案：invented 解析：主语people是人，主动发出发明动作；thousands of years ago一般过去，用过去式。 2. 答案：is used 解析：paper是动作承受者，now一般现在，不可数名词用is+过去分词。 3. 答案：must keep 解析：we作主语主动，情态动词后直接跟动词原形。 4. 答案：must be kept 解析：classroom是承受者，情态被动结构：情态动词+be+done。 5. 答案：built 解析：workers主动建造，last year一般过去，build变过去式built。 6. 答案：was finished 解析：lab“完工”是被动；last year过去，单数was finished。 7. 答案：send 解析：scientists主动发射卫星，every year一般现在，主语复数用原形。 8. 答案：help 解析：satellites主动发挥作用，一般现在复数动词原形。 9. 答案：is made 解析：tool“由竹子制成”，一般现在被动，单数is made。 10. 答案：can be carried 解析：spacesuits是承受者，情态can搭配be carried表“能够被运送”。 三、主被动句型转换（20题） 主动变被动（1-10） 1. 答案：Rice is grown by people in southern China. 解析：宾语rice变主语；一般现在，rice不可数用is grown；by引出动作执行者。 2. 答案：The telephone was invented by Bell in 1876. 解析：宾语the telephone作主语；1876过去时单数was invented。 3. 答案：Books can be taken out of this reading room by us. 解析：宾语books提前；情态被动can be taken。 4. 答案：Greenhouses are planted by farmers on the hills now. 解析：greenhouses复数主语，一般现在被动are planted。 5. 答案：The school playground is cleaned by students every afternoon. 解析：playground单数，一般现在is cleaned。 6. 答案：High-speed trains are produced by people in our country. 解析：trains复数，一般现在被动are produced。 7. 答案：All kinds of wild animals should be protected by us. 解析：情态should被动结构should be protected。 8. 答案：The Mombasa-Nairobi railway was built by workers in 2017. 解析：railway单数，2017过去时was built。 9. 答案：English is spoken by many students in class every day. 解析：English不可数，一般现在is spoken。 10. 答案：The space show may be watched by people online. 解析：情态may+be done构成被动。 被动变主动（11-20） 11. 答案：3D printers make many toys. 解析：by后的3D printers变主语；去掉be动词，动词还原原形make。 12. 答案：We should correct all mistakes in time. 解析：by us变主语we；去掉be，should后用动词原形。 13. 答案：Chinese workers built the first high-speed train. 解析：补充逻辑主语Chinese workers；was built还原为过去式built。 14. 答案：Lots of young people love folk music. 解析：by后的people作主语，are loved还原原形love。 15. 答案：Teenagers will realize the space dream one day. 解析：teenagers作主语，will be realized改为主动will realize。 16. 答案：The government set up the new hospital last year. 解析：government作主语，was set up还原过去式set up。 17. 答案：We can read important space news on this website. 解析：补充主语we，can be read改为主动can read。 18. 答案：The museum keeps traditional paintings. 解析：museum作主语，are kept还原原形keep。 19. 答案：My father wrote the letter yesterday. 解析：my father作主语，was written还原过去式wrote。 20. 答案：All visitors must follow every rule. 解析：visitors作主语，must be followed改为主动must follow。 四、中译英（15题） 1. 答案：Computers are used by thousands of students every day. 解析：一般现在被动；电脑“被使用”，复数are used。 2. 答案：The railway was finished in 2006. 解析：2006为过去年份，铁路单数，一般过去被动was finished。 3. 答案：Rubbish must be separated and dealt with. 解析：情态must被动，垃圾“必须被分类处理”。 4. 答案：People invented silk in ancient times. 解析：主动语态，古代为过去，invent变过去式invented。 5. 答案：Traditional music is loved all over the world. 解析：一般现在被动，音乐不可数is loved，省略by people。 6. 答案：We should protect all plants. 解析：主动句，情态should+动词原形。 7. 答案：The Mars rover was sent to space last year. 解析：last year过去时，探测器单数was sent被动。 8. 答案：These old photos can be kept in this box. 解析：情态can被动，照片复数can be kept。 9. 答案：Villagers plant many trees every spring. 解析：一般现在主动，村民为主语。 10. 答案：This machine is used for cooking. 解析：固定被动短语be used for doing 被用来做某事。 11. 答案：The 2008 Olympic Games were held in Beijing. 解析：2008过去，games复数，were held（hold过去分词held）。 12. 答案：Students clean the classroom every day. 解析：一般现在主动，学生发出打扫动作。 13. 答案：Space knowledge should be learned by more young people. 解析：should引导情态被动，知识“被学习”。 14. 答案：Cai Lun invented paper in 105 CE. 解析：主动句，公元105年为过去，invented。 15. 答案：All questions can be discussed in class. 解析：can情态被动，问题“能够被讨论”。 学科网（北京）股份有限公司 $ 九年级上册Unit5 Section A 同步精讲讲义（语法-被动语态1） 基础区分 1. 主动语态：主语发出动作 Workers invent new tools. 工人发明新工具。 2. 被动语态：主语是动作承受者，核心公式：主语 + be + 动词过去分词 (done) be动词随时态、人称单复数变化，过去分词固定不变； 【执行者加 by + 动作发出者，无需强调可省略。】 结构 1. 一般现在时被动语态（描述客观发明、常态） 肯定：am / is / are + done 否定：am / is / are + not + done 疑问：Am / Is / Are + 主语 + done · 教材原句例句： 主动：People make paper in ancient China. 被动：Paper is made in ancient China. 主动：Workers produce 3D printers. 被动：3D printers are produced. 否定：Mini-cameras are not sold in this shop. 疑问：Are many tools used for invention? · 课本重点短语 be used to do = be used for doing 被用来做…… Knives are used to cut things. = Knives are used for cutting things. 2. 一般过去时被动语态 肯定：was / were + done 否定：was / were + not + done 疑问：Was / Were + 主语 + done · 教材原句例句： 主动：Bell invented the telephone in 1876. 被动：The telephone was invented in 1876. 主动：People built the old railway in 1901. 被动：The old railway was built in 1901. 否定：The paper was not invented in the Tang Dynasty. 疑问：Were many trees planted last year? 3. 情态动词被动语态 情态动词 + be + done · 教材原句例句： We can send rovers to Mars. → Rovers can be sent to Mars. We must protect space stations. → Space stations must be protected. We should study space knowledge. → Space knowledge should be studied. 否定：Rocket rules must not be broken. 疑问：Can new telescopes be launched soon? 主动变被动步骤 1. 主动宾语 → 被动主语 2. 谓语改成对应时态be+done 3. 主动主语前加by，放句尾，可省略 4. 时间、地点状语直接照搬 必背易错点 1. 只有及物动词有被动；happen、arrive等不及物动词无被动 An accident was happened. 错误，happen为不及物动词，没有被动。 An accident happened. 正确 2. 情态动词后只能用原形be，禁止is/was The task can finished. 错误，be done表示被动，缺一不可。 The task can be finished. 正确 配套练习 一、单项选择 1. Many useful inventions ____ by ancient Chinese people long ago. A. invent B. invented C. are invented D. were invented 2. We ____ more space stations in the future, but now they ____ built step by step. A. will send; can be B. send; can C. are sent; can be D. sent; could 3. This kind of robot ____ to help students with their study every day. A. uses B. is used C. used D. was used 4. —Can this old bridge ____ again? —Yes, workers will fix it soon. A. repair B. repaired C. be repaired D. be repairing 5. Paper ____ by Cai Lun in 105 CE. It changed the whole world. A. creates B. created C. is created D. was created 6. All students ____ to wear school uniforms at our school. A. require B. are required C. required D. were required 7. The photos of Mars ____ back to Earth by Zhurong rover last year. A. send B. sent C. are sent D. were sent 8. You ____ waste water. It ____ well protected. A. can’t; must be B. can’t be; must C. don’t; must be D. won’t; must 9. These folk songs ____ in our village every evening. A. sing B. are sung C. sang D. were sung 10. The first Olympic Games ____ in ancient Greece thousands of years ago. A. hold B. are held C. held D. were held 11. —Must the homework ____ before eight tonight? —Yes, our teacher is strict with us. A. finish B. finished C. be finished D. be finishing 12. This new telescope ____ for space research now. A. uses B. is used C. used D. was used 13. Lots of trees ____ on the hills every spring to stop sandstorms. A. plant B. planted C. are planted D. were planted 14. The old houses ____ last winter, and new flats stand there now. A. pull down B. are pulled down C. pulled down D. were pulled down 15. We ____ more rockets, but many new ones ____ next year. A. launch; will be B. launch; can be C. are launched; can D. launched; could 16. This storybook ____ to me by my grandma on my 12th birthday. A. gives B. gave C. is given D. was given 17. Nobody ____ to run in the library. It’s the rule. A. allows B. is allowed C. allowed D. was allowed 18. All rubbish ____ into different bins, or the environment will get worse. A. can divide B. can be divided C. divides D. divided 19. The beautiful pipa music ____ at the concert yesterday afternoon. A. play B. plays C. was played D. is played 20. Every student ____ a chance to join the space club this term. A. gives B. is given C. gave D. was given 二、用所给词适当形式填空 1. People ________ (invent) paper thousands of years ago. 2. Paper ________ (use) widely all over the world now. 3. We ________ (must keep) our classroom clean every day. 4. The classroom ________ (must keep) clean by us every day. 5. Workers ________ (build) a new science lab last year. 6. The lab ________ (finish) two months ago. 7. Scientists ________ (send) new satellites into space every year. 8. Satellites ________ (help) us study the Earth. 9. This kind of tool ________ (make) of bamboo. 10. These spacesuits ________ (can carry) to the space station soon. 三、句型转换 1. People grow rice in southern China. ______________________________________________________________ 2. Bell invented the telephone in 1876. ______________________________________________________________ 3. We can take books out of this reading room. ______________________________________________________________ 4. Farmers plant greenhouses on the hills now. ______________________________________________________________ 5. Students clean the school playground every afternoon. ______________________________________________________________ 6. People produce high-speed trains in our country. ______________________________________________________________ 7. We should protect all kinds of wild animals. ______________________________________________________________ 8. Workers built the Mombasa-Nairobi railway in 2017. ______________________________________________________________ 9. Many students speak English in class every day. ______________________________________________________________ 10. People may watch the space show online. ______________________________________________________________ 四、中译英 1. 电脑每天被成千上万的学生使用。 ______________________________________________________________ 2. 这条铁路是2006年完工的。 ______________________________________________________________ 3. 垃圾必须被分类处理。 ______________________________________________________________ 4. 人们在古代发明了丝绸。 ______________________________________________________________ 5. 传统音乐在全世界被喜爱。 ______________________________________________________________ 6. 我们应该保护所有的植物。 ______________________________________________________________ 7. 火星探测器去年被送到太空。 ______________________________________________________________ 8. 这些旧照片可以保存在这个盒子里。 ______________________________________________________________ 9. 每年春天，村民们都会种很多树。 ______________________________________________________________ 10. 这种机器是用来做饭的。 ______________________________________________________________ 11. 2008年奥运会在北京举办。 ______________________________________________________________ 12. 学生们每天打扫教室。 ______________________________________________________________ 13. 太空知识应该被更多年轻人学习。 ______________________________________________________________ 14. 蔡伦在公元105年造出了纸。 ______________________________________________________________ 15. 所有的问题都能在课上被讨论。 ______________________________________________________________ 学科网（北京）股份有限公司 $