安徽马鞍山市第十一中学八年级英语下册 8B Unit 3 Online Shopping（第四课时）Grammar学案（无答案） 牛津版

1 课题 课题 8 8 B B UnitUnit 3 3 OnlineOnline ShoppingShopping 第四课时第四课时 GrammarGrammar 班级 班级 姓名 姓名 时间 时间 年年 月月 日日 一 学习目标一 学习目标 单 词 widely e dictionary restart connect total Mars set 词 组 restart the computer 句 型 The park has become a new tourist attraction 认真预习课本 看看自己能否找出下列句子和我们以前学的句子有什么区别 1 He turns on the TV We are ready to watch TV The TV is turned on We are ready to watch TV 2 We use a keyboard for typing information into the computer A keyboard is used for typing information into the computer 3 The teacher checked my homework two hours ago My homework was checked two hours ago 这种结构就是我们本节课要学的语法 叫做被动语态 请你根据上面的句子写出下列词组的被动形式 turns on the TV 的被动形式是 use a keyboard 的被动形式是 checked my homework 的被动形式是 预习后 让学生先总结被动语态的结构 被动语态的时态怎么变化 还有什么需要注意的 二 预习导学二 预习导学 被动语态的讲解 1 英语的语态是通过动词形式的变化表现出来的 英语中有两种语态 主动语态和被动语态 请说出下列句 子是主动还是被动 A Many people speak Chinese Chinese is spoken by many people B He was laughed at by all people All the people laughed at him C They make the bikes in the factory The bikes are made by them in the factory 被动语态的构成 被动语态由 助动词 be 及物动词的过去分词 构成 人称 数和时态的变化是通过 be 的变化表现出来的 现以 speak 为例说明被动语态在各种时态中的构成 一般现在时 am is are spoken 2 一般过去时 was were spoken 被动语态的用法 1 不知道或没有必要说明动作的执行者是谁 例如 Some new computers were stolen last night 一些新电脑在昨晚被盗了 不知道电脑是谁偷的 This bridge was founded in 1981 这座桥竣工于 1981 年 2 强调动作的承受者 而不强调动作的执行者 例如 The glass was broken by Mike 玻璃杯是迈克打破的 This book was written by him 这本书是他写的 Your homework must be finished on time 你们的家庭作业必须及时完成 主动语态变被动语态的方法 1 把主动语态的宾语变为被动语态的主语 2 把谓语变成被动结构 be 过去分词 根据被动语态句子里的主语的人称和数 以及原来主动语态句 子中动词的时态来决定 be 的形式 3 把主动语态中的主语放在介词 by 之后作宾语 将主格改为宾格 例如 He cut down a tree A tree was cut down by him They use metal to make machines Metal is used to make machines by them 三三 课堂活动课堂活动 1 预习情况交流 2 要求学生同读课本 P48A1 A2 部分的对话 对语境形成整体了解 然后完成句子的填空 3 自学能力检测 A 集体订正 P51B2 B 学生朗读 理解被动语态的构成和用法 C 要求学生能把主动语态变成被动语态 把被动语态变成主动语态 D 复习被动语态的用法 复习后 要求用以下时间词填空 仿照例句改写句子 仿照例句改写句子 例 We turn on the TV now The TV is turned on now 1 We use the computer to search for information The computer to search for information 2 We used the computer for playing games The computer for playing games 3 Jackson design this CD ROM This CD ROM by Jackson 4 We call it printer It printer 四四 随堂检测随堂检测 I 用动词适当形式填空 3 1 A keyboard use for typing information into the computer 2 The trip to the World Park organize by Mr Wu 3 The skirts with green and white flowers design by my sister 4 The little cat take to the animal center 5 Many reserves built in China last year 6 English teach in schools all over the China 7 I m afraid the trousers of your size sell out 8 The fire put out by the firemen 9 My new sweater make of wool 10 Thousands of new books print every year in our country 按要求变换句型 1 My brother turned on the TV after