资源简介 (共19张PPT)Unit 5 语法the Passive Voice(被动语态)They make shoes in that factory.主语+及物动词+宾语Shoes are made (by them) in that factory.英语的谓语动词有两种语态:主动语态和被动语态.预习检测完成预习案上的预习检测并核对答案:1.2.BD学习目标1. 掌握被动语态的一般用法.2. 掌握各种时态的被动语态.3. 变被动语态的步骤.一. 被动语态的用法1. 不知道动作的执行者是谁。这块手表是中国制造的。This watch is made in China.2. 没有必要指出动作的执行者每年都应该种更多的树。Many trees should be planted every year.问题引导下的再学习3. 需要强调或突出动作的承受者。世界上越来越多的人说汉语。Chinese is spoken by more and more people in the world.4. 句子的主语是动作的承受者。许多房屋被冲走了。Many houses were washed away by the flood.二.被动语态的大体构成:be + done(过去分词)那么be体现了句子的时态,下面请组内讨论各种时态的被动语态.各种时态的被动情况:一般现在时:一般过去时:情态动词变被动:am / is / are donewas / were done情态动词+be+ done1.奶奶每年都种许多花.Many flowers ____________________ by mygrandmother every year.2. The house in 2004.is built B. is buildingC. was built D. used3. 这些工作今天必须完成.The work ____________________ today.are plantedCmust be finishedDiscuss:主动语态变被动语态的方法:We speak English.主语谓语宾语English is spoken by us.主语谓语宾语宾变主,主变宾,前加by主变被解题步骤:1. 找宾语 ----即动作的承受者They make shoes in that factory.Shoes2. 判断宾语的单复数 ----即be动词的单复数.arewere3. 判断动词的时态 ----即be动词的时态.4. 修改谓语 ----即原句动词改为过去分词made5. 修改原句的主语 ----即by+ 动作的执行者.by them in that factory. 1. Tom broke the window. The window was broken by Tom. 2.He broke the windows. The windows were broken by him.Be要随着主语变逻辑主语by来引当堂训练改写句子1. We plant trees in spring every year._______________ by us in spring every year.2. She posted the letter yesterday.____________________ by her yesterday.3. You may hand in your homework tomorrow.______________________________ by you tomorrow.Trees are plantedThe letter was postedYour homework may be handed in真题再现1. ---Don't smoke here, Dad . Smoking ______ in public places.---Oh sorry. I'll stop right nowA. isn't allowed B. aren't allowedC. doesn't allowed2. --The school has a long history.--Yes ,it ______ more than 100 years agoA. built B. is built B. was builtAC突破方法1.判断动作执行者或承受者.对于被动语态试题来说,主要是让大家能够找出谓语动 作的执行者或承受者,这就要根据句子的意思进行判断,然后根据句子中的时间,作出正确的选择.2. 时态判断法.被动语态的使用离不开时态。所以应根据句中提提供的时间状语或上下文的暗示来分析判断应该使用哪种时态的被动语态.1.Our school _____ ____in 2002.(开办)2.The young trees must____ ____ _____well.(照顾)3. _____ this building_________(建成)last year 4.The book _____ _______(写)by him last year.5. The bridge _______ _______(不建造)in1989..6.The 29th Olympic Games will____ ______(举行) in Beijing in 2008.was openedbe looked afterWasbuiltwas writtenwasn’t builtbe held达标检测课堂小结1. 被动语态的基本结构:2. 主动语态变被动语态的步骤:be + 动词的过去分词作业1. 预习有关被动语态的其它时态的句型.2. 预习被动语态的特殊用法.Thank you! 展开更多...... 收起↑ 资源预览