Unit6 When was it invented？ SectionA Grammar Focus-4c 课件2025-2026学年人教版（2012）英语九年级全册

该初中英语课件聚焦一般过去时被动语态，从过去分词复习切入，通过结构解析（was/were+过去分词）、主动被动语态对比、句型转换（肯定/否定/疑问）搭建学习支架，覆盖基础用法到特殊情况（主动变被动的例外），帮助学生逐步掌握语法要点。 其亮点在于分层设计（基础练习到中考链接题）、情境化例句（如地震、礼物制作）和错题案例分析，结合语言能力（句型转换与真实情境表达）、思维品质（主动被动对比辨析）、学习能力（分层练习提升应试）。学生通过实例巩固语法，教师可直接使用系统练习和中考题，提高教学效率。

Section A Grammar Focus-4c Unit 6 When was it invented? A small invention potato chips 说出下列词的过去分词 sell sold steal stolen take taken bring brought invented invent write written give given eat eaten 一般过去时被动语态： was/were +过去分词 Passive voice in the simple past tense 一般过去时中的被动语态 was/were done Sructure： 谓语构成 1.The telephone (invent) in1876. 2.Yesterday the rooms (clean) by Tom . was invented were cleaned When was the zipper invented? It ____ ________ __ 1893. Who was it invented by ? It ____ _______ ___Whitcomb Judson. When was tea brought to Korea? It _____ _______ to Korea during the 6th and 7th centuries. What is the hot ice-cream scoop used for? It___ ____ ___ serving really cold ice-cream. Active Voice: 主动语态 Passive Voice: 被动语态 Alexander Graham Bell invented the telephone in 1876. The telephone was invented by Alexander Graham Bell in 1876. was invented by was invented in was brought is used for 一般过去时的被动语态 肯定句 主语+was/were+及物动词的过去分词（ + by…） 否定句 主语+was/were + not+及物动词的过去分词（+ by…) 疑问句 Was/Were+主语+及物动词的过去分词（+by …)? 特殊疑问词+was/were+主语+及物动词的过去分词（ +by...)? 一般过去时的被动语态句型 English was taught by Mr. Wang. 【主动语态】主语是动作的发出者。 Mr. Wang taught English. was/ were+动词过去分词 二、新课讲解 【被动语态】主语是动作的承受者。 主语 谓语 宾语 主语 谓语 原主语 【句型转换】 English was taught by Mr. Wang. Was English taught by Mr. Wang? (一般疑问句) Yes, it was. (肯定回答) No, it wasn’t. (否定回答) English was taught by Mr. Wang. English was not taught by Mr. Wang. (否定句) 当宾语是反身代词或相互代词时 He made himself a cup of coffee. They help each other. 当宾语是不定式或V-ing时 We all want to be teachers. 当某些动词表示状态或结果时 The milk tastes slightly sour. 当宾语表示数量、重量、大小或程度 The jade weighs one ton. 主动语态不能变成被动语态的情况 1. They sold the fridge at a low price. 2. Somebody stole my camera from my hotel room. 3. Where did you take these photos? 4. Our parents advised us not to go out alone. 5. Different writers translated the book into different languages. Rewrite the sentences using the passive voice. at a low price. The fridge was sold from my hotel room. My camera was stolen The book was translated into different languages by different writers. Where were these photos taken? We were advised by our parents not to go out alone. 以低价 advise sb. (not) to do sth. 建议某人(不)做某事 translate...into... 把...翻译成... 一般过去时的被动语态 1．句式结构 肯定句 主语 + was/were + 及物动词的过去分词(+ by ...). 否定句 主语 + was/were + not + 及物动词的过去分词(+ by ...). 疑问句 Was/Were + 主语 + 及物动词的过去分词(+ by ...)? 特殊疑问词 + was/were + 主语 + 及物动词的过去分词(+ by ...)? 12 一般过去时的被动语态 2．基本用法 用法 示例 表示过去某一具体时间发生的动作，且句子的主语是谓语动词动作的承受者。 The trees were planted last year. 这些树是去年种的。 讲述发生在过去的动作，且不知道动作的执行者。 He was given a robot as a birthday gift last year. 去年他收到了一个机器人作为生日礼物。 13 Complete the sentences with the correct forms of the verbs in the box. 1．You ___________ to the party last night, weren’t you? Why didn’t you go? 2．The earthquake happened all of a sudden, but luckily the villagers ____________ to a safe place. 3．The door ___________ when we arrived, so we ______ the bell. eat lock like ring invite break tell bring were invited were brought was locked rang 4．The students _________ not to eat or drink in class, but Ruby _______ the rule when she started eating a biscuit in science class. 5．The cookies __________ by the hungry kids in less than 20 minutes, and they really ______ them. were told broke were eaten liked 一般过去时的被动语态 含双宾语和复合宾语的主动句变为被动句的方法 (1)含有双宾语的主动句变为被动句时，通常把指 “人”的间 接宾语变为主语，而指“物”的直接宾语则不变。 e.g. He gave me some advice on learning English. I was given some advice on learning English (by him). (2)如果要把指“物”的直接宾语变为主语，则在间接宾语前加 to 或 for。 e.g. My mother brought me a bike. A bike was brought to me (by my mother). 16 一般过去时的被动语态 含双宾语和复合宾语的主动句变为被动句的方法 (3)含有复合宾语的主动句变为被动句时，要将其中的宾语变成 主语，宾语补足语不变。 e.g. Jim asked Tom to finish the work at once. Tom was asked (by Jim) to finish the work at once. (4)如果宾语补足语是不带 to 的动词不定式，主动语态变成被动语态 时要加上不定式符号 to。 e.g. We often saw John play basketball in the playground. John was often seen to play basketball in the playground (by us). 17 Exercise 一、用括号内所给单词的适当形式填空。 1. The bridge over the river ( finish) three years ago. 2. A present ( give) to me by my friend on my birthday 3. He (see) to swim in Daming Lake yesterday. 4. Annie (invite) to the party. She had a wonderful time with us. 5. The book ( translate ) into many other languages last year. was finished was given was seen was invited was translated 18 二、单项选择。 1. Gina went to the doctor’s yesterday and about the importance of good living habits once more. A. was told B. is told C. are told D. has told 2. Look at the flowers on both sides of the street. They last month. A. are planted B. were planted C. are planting D. were planting Exercise A B 19 3.To celebrate the100th birthday of the Communist Party of China, a speech competition in our school last week. A. hold B. held C. is held D. was held 4. “I’m still working because I’m still capable and hope to guide more young people,” said Wu Mengchao when he . A. is interviewed B. is interviewing C. was interviewed D. was interviewing 5. These gifts by children in their last summer holidays. A. made B. were made C. make D. are made Exercise D C B 20 1． at a low price 意为“以低价”。price 常用形容词 low 或 high 来修饰,通常与介词 at 连用。 e.g. The book is on sale at a low price. 拓展：low 形容词，意为“低的；矮的”，反义词为 high (高的)。 2．The earthquake happened all of a sudden ... 突然发生了地震…… all of a sudden 意为“突然；猛地”，相当于副词 suddenly。 e.g. He came to us all of a sudden. = He suddenly came to us. 21 1. (2024湖北黄冈)—Eric, you to go to the teachers’office just now. What’s up? —We aren’t allowed to bring phones to school. Em, but I broke the rule. A. told B. tell C. are told D. were told 2. (2024湖北武汉)—Did you notice the students a few why questions in Mr. Zhang’s class? —Yes, I think he wanted to train their abilities to deep thinking. A. are asked B. must be asked C. have been asked D. were asked Exercise 22 一般过去时的被动语态 e.g. My grandma took good care of my dog. →My dog was taken good care of by my grandma. 奶奶把我的狗照顾得很好。(其中介词 of 不能漏掉) 含有动词短语的主动语态变为被动语态时，不可丢掉构成动词短语的介词或副词。 注意 23 Paper ______ first ______ about 2,000 years ago in China. A．is; creating B．is; created C．has; created D．was; created 可用语法判断法解答本题。句意：在中国，纸大约在两千年前首先被创造了出来。句中的 ago 是一般过去时的标志，且纸和创造之间是被动关系。因此本题考查的是一般过去时的被动语态，其结构是：was/were + 及物动词的过去分词。因此，正确答案是D。 D 典例 点拨 一般过去时的被动语态 Homework Review the passive voice. Finish the exercises in the workbook. Memorize the language points. 25 Unit 6 When was it invented? Thank You 26 null 5172.257 $