Unit1语法专项课件- 般现在、过去时被动语态2026-2027学年鲁教英语（五四学制）九年级上册

该初中英语课件聚焦一般现在/过去时被动语态，从主动与被动语态的核心区别切入，通过基础概念、公式总表、be动词细则、过去分词变形等内容搭建学习支架，逐步过渡到by短语用法、特殊动词被动还原to及无被动动词等重难点，形成连贯知识脉络。 其亮点在于以分层练习（基础填空、单选、句型转换等）和易错点汇总为载体，结合解题步骤与题型思路，培养学生语言能力（准确运用被动结构）和思维品质（分析时态标志与单复数匹配）。采用讲练结合方法，通过知识点小结系统梳理规则，助力学生掌握用法，也为教师提供清晰教学路径，提升课堂效率。

教学课件 鲁教英语（五四学制）九年级上册 Unit1 语法专项 ——一般现在/过去时被动语态 全解精讲+分层练习 1 1.分清主动、被动语态核心区别与使用场景 2.熟记两种时态被动肯定 / 否定 / 疑问结构 3.掌握 be 动词单复数匹配、动词过去分词变形 4.学会 by 引出动作执行者的用法 5.理清 make 等词被动还原 to、无被动动词陷阱 学习目标 语态基础概念 主动语态：主语主动发出动作，主谓宾结构 例：People invent new machines.（人发明机器） 被动语态：主语是动作承受者，译为 “被……” 适用场景：不知执行者、侧重物品、科普介绍 两种被动语态公式总表 时态 肯定结构 否定结构 疑问结构 一般现在 am/is/are done am/is/are not done Am/Is/Are…done? 一般过去 was/were done was/were not done Was/Were…done? 单数主语用 is/was；复数 /you 用 are/were be 动词使用细则 主语 I：现在用 am，过去用 was 单数名词 / 不可数：is（现）、was（过） 复数名词 /you/we/they：are（现）、were（过） 例：The tool is used. / Tools are used. 过去分词变形规则 规则动词：直接 + ed，如 invent—invented e 结尾只加 d：connect—connected 重读闭音节双写：stop—stopped 高频不规则：send-sent；find-found；build-built 一般现在被动例句 New cameras are used in daily life. 译：新型相机被用于日常生活。 标志词 every day/now 表常态客观事实 无需执行者，直接侧重物品用途 一般过去被动例句 Paper was invented in ancient China. 译：纸在古代中国被发明。 标志 in 1876/long ago，描述过去发明 执行者用 by 引出：was invented by Bell by 短语用法讲解 by + 名词 / 代词，放在句末，表 “由……” 不知道动作发出者时，可直接省略 by 例句：The phone was invented by Bell. 写作介绍发明时，by 是高频加分结构 被动语态三大使用场景 1.不清楚动作是谁发出，省略 by 2.重点介绍物品、发明、设备属性 3.想突出承受对象，弱化动作执行者 科普、历史发明类短文必考句式 重难点 1 make/see 被动还原 to 主动：make sb. do /see sb. do（无 to） 被动：be made to do /be seen to do（加 to） 错：The machine is made work. 对：The machine is made to work. 重难点 2 无被动动词 happen、take place、appear、rise、occur 以上不及物动词无被动，只能主动句 错误：An accident was happened. 正确：An accident happened. 时态时间标志区分 一般现在被动标志：every day、often、now 一般过去被动标志：yesterday、in + 年份、long ago 看到时间词，第一步锁定对应 be 动词 基础填空练习 1 用动词正确被动形式填空 1.This kind of robot ________________ (use) at school every day. 2.The first train ________________ (build) in 1804. 3.All letters ________________ (send) online now. 4.These bridges ________________ (complete) ten years ago. is used was built are sent were completed 5.Many tools _____________ (show) in the museum every year. 6.The radio ________________ (introduce) to people in 1900. 7.Simple ideas _____________ (turn) into new products now. 8.Old coins _____________ (keep) in boxes hundreds of years ago. are shown was introduced are turned were kept 单项选择练习 1.Lots of new machines ________ every year. A. create B. were created C. are created 2.The compass ________ in ancient China. A. invented B. was invented C. is invented 3.—________ this bike ________ last year? A. Is; used B. Was; used C. Does; use 4.These signs ________ to warn people now. A. are made B. made C. were made C B B A 句型转换 主动变被动 1.Students use this lab every day. 2.Factories produce small robots every year. 3.People built this old tower in 1930. 4.He drew this picture ten years ago. This lab is used by students every day. Small robots are produced by factories every year. This old tower was built by people in 1930. This picture was drawn by him ten years ago. 5.They repair bikes every month.（否定句） 6.People planted trees in 2010.（否定句） 7.The lock is used every day.（一般疑问句） 8.The house was built last century.（一般疑问句） Bikes aren’t repaired by them every month. Trees weren’t planted by people in 2010. Is) the lock used every day? Was the house built last century? 汉译英（被动） 1.许多新机器每年被制造出来。 2.指南针是古代中国人发明的。 3.这个设备每天被学生使用。 4.这座桥 20 年前建成。 Many new machines are made every year. The compass was invented by ancient Chinese people. This device is used by students every day. This bridge was built twenty years ago. 易错点汇总 1 结构错误 1.遗漏 be 动词：错 Machines used，对 Machines are used 2.be 动词时态混淆：ago 搭配 was/were，不用 is/are 3.复数主语误用 is，单数误用 are 易错点汇总 2 动词变形 1.被动只用过去分词，不能用原形 / 过去式 2.make/see 变被动必须加不定式 to 3.take place/happen 永远无被动形式 主动变被动解题步骤 1.主动宾语移到句首作被动主语 2.根据时态 / 单复数添加 be 动词 3.谓语动词改为过去分词 4.主动主语放 by 后，可省略 解题技巧 时态判断 先找时间标志词，区分现在 / 过去 再看新主语单复数，匹配 is/was/are/were 最后变换动词为过去分词 知识点小结 1 语态结构 1.一般现在被动：am/is/are + done 2.一般过去被动：was/were + done 3.否定、疑问均调整 be 动词位置 知识点小结 2 特殊规则 1.by 引出动作执行者，介绍发明常用 2.使役 / 感官动词被动还原 to 3.happen、take place 无被动语态 题型解题思路 填空：时间 + 单复数→be + 分词 单选：区分主被动、时态标志 句型转换：宾语变主语，更换 be 动词 改错：重点查 be、to、无被动动词 课堂整体总结 1.掌握两种时态被动全部句式结构 2.规避 to 遗漏、时态、无被动动词陷阱 3.熟练完成填空、单选、转换、改错 4.可用于科技、发明类写作加分 教学课件 Unit1 语法专项 ——一般现在/过去时被动语态 Thank you for listening! 28 $