初中英语被动语态的教案
被动语态
授课人：授课时间：
一、语态概述
英语中有两种语态：主动语态和被动语态。
主动语态表示主语是动作的执行者。巧记为：主动、主动、主去动。
例如：Many people speak English.
谓语：speak的动作是由主语many people来执行的。
被动语态表示主语是动作的承受者，即行为动作的对象。巧记为：被动、被动、主被动。例如：English is spoken by many people.主语English是动词speak的承受者。
He opened the door.他开了门。(主动句)
The door was opened.门被开了。(被动句)
判断：你来判断哪个是主动哪个是被动？
We call the doctor.
People don’t play football here.
The truck was cleaned yesterday.
Mr Chen teaches us English.
The classroom was cleaned.
二、被动语态的构成：be+动词的过去分词+by sb（be+done)
一般现在时：am／is／are＋taught
一般过去时：was／were＋taught
一般将来时：will／shall be＋taught
现在进行时：am／is／are being＋taught
过去进行时：have／has been＋taught
现在完成时：have／has been＋taught
含有情态动词的被动语态：can/may/must/should... +be done
歌诀是：被动语态be字变，过去分词跟后面。
三、主动变被动的方法
口诀：主变宾，宾变主，By 句尾跟
Be 字变，Vpp跟后面
一、选择题（2×15=30分）
一、选择题（2×15=30分）
( )1._____ a new library _____ in our school last year?
A. Is; built
B. Was; built
C. Does; build
D. Did ; build
( )2. An accident ____ on this road last week.
A. has been happened
B. was happened
C. is happened
D. happened
( )3.Cotton（棉花）____ in the southeast of China.
A. is grown
B. are grown
C. grows
D. grow
( )4.So far, the moon ____ by man already.A. is visited B. will be visited C. has been visited D. was visited
( )5.A talk on Chinese history _____ in the school hall next week.
A. is given
B. has been given
C. will be given
D. gives
( )6.How many trees ____ this year?
A. are planted
B. will plant
C. have been planted
D. planted
( )7.A lot of things ____ by people to save the little girl now.
英语被动语态用法详解
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高中英语语法课被动语态教学反思
高中英语语法课被动语态教学反思 人教版高中英语必修二第二单元开始出现了被动语态，在本单元的语法被动语态授课中，我围绕被动语态这条主线，本着以学生为主体的角度来设计教学内容,活动的设计前后相连,层层深入，使教学呈阶梯式层层推进,并积极采用现代化的教学手段——运用多媒体辅助教学,提高教学效率。在各项活动中，学生的大脑始终处于一种激活状态，整个学习过程都是积极主动的，学生获得的不仅仅是现成的知识，还有语言运用的能力，并在完成任务过程中体验成功的喜悦，获得成就感，实现自我价值。学生在本节课中不但明白了英语动词有主动语态和被动语态两种语态，而且掌握了被动语态的结构，并做到了主动与被动的互相转换，这正是教学目的的所在。课前让同学们在愉快柔和的歌曲声中轻松进入了本节学习，上课后首先展示了教学目标，同学们明白了本节的学习任务。整节课我精神饱满，情绪高涨，自然激励了学生们浓厚的学习兴趣。授课过程中始终贯穿一个主线——被动语态，层次清晰，脉络清楚且层层深入，学生活动量大，思维敏捷，充分体现了学生为主体，教师为主导的教学原则。尤其是练习与巩固任务中体现了以点带面，使得同学们即复习了学过的知识，又巩固了本节的新知识。 总之，整节课气氛活跃，师生情绪激昂，重点突出，实实在在，非常适合农村孩子的口味。本节课是一堂语法课，本来枯燥无味，但我利用多媒体教学手段使得本节课生动有趣，圆满完成了教学任务，
达到了预期效果，是非常成功的一节语法新授课。 但也有不足之处，学生活动范围小；课堂上使用的语言文字较多。今后，我要不断的提高自身素质，多和同学们沟通,发挥学生的聪明和智慧,总结出通俗易懂的规则运用到自己的教学当中,课堂上让学生全员参与，尽量使用课堂用语，不断反思自己教学中的不足,更新观念,与新课程共同成长。
英语被动语态用法总结(完整)
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初中英语被动语态的教案
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二、被动语态的构成：be+动词的过去分词+by sb（be+done) 一般现在时：am／is／are＋taught 一般过去时：was／were＋taught 一般将来时：will／shall be＋taught 现在进行时：am／is／are being＋taught 过去进行时：have／has been＋taught 现在完成时：have／has been＋taught 含有情态动词的被动语态：can/may/must/should... +be done 歌诀是：被动语态be字变，过去分词跟后面。 三、主动变被动的方法 口诀：主变宾，宾变主，By 句尾跟 Be 字变，Vpp跟后面 一、选择题（2×15=30分） 一、选择题（2×15=30分） ( ) a new library _____ in our school last year? A. Is; built B. Was; built C. Does; build D. Did ; build
高一英语必修三语法复习——被动语态教案
高一英语必修三语法复习——被动语态教案 重难点讲解: 高一英语必修三中的主要语法点有:被动语态,动词不定式和定语从句,另外还涉及了主谓一致、间接引语及连接词的用法。 被动语态专题复习 (一被动语态的构成形式 1.被动语态的基本时态变化 被动语态通常为十种时态的被动形式,被动语态由be+过去分词构成,be随时态的变化而变化。以do为例,各种时态的被动语态形式为: (1am/is/are+done(过去分词一般现在时 例Visitors are requested not to touch the exhibits. (2has/have been done现在完成时 例All the preparations for the task have been completed,and we’re ready to start. (3am/is/are being done现在进行时 例A new cinema is being built here. (4was/were done一般过去时 例I was given ten minutes to decide whether I should reject the offer. (5had been done过去完成时 例By the end of last year,another new gymnasium had been completed in Beijing. (6was/were being done过去进行时 例A meeting was being held when I was there. (7shall/will be done一般将来时 例Hundreds of jobs will be lost if the factory closes. (8should/would be done过去将来时
被动语态教学设计教案
被动语态教学设计 设计者：吴贤文 教学班级：九年级 教学内容：被动语态 教学目标： 1.知识与技能：通过进一步学习语法被动语态，让学生明确被动语态所要求掌握和理解的内容。 2.过程与方法：通过想、听、说、练等手段，掌握被动语态的构成，并能准确运用。 3.情感、态度与价值观：通过学生积极参与被动语态练习的过程，培养学生换位思考的能力。 教学重点：学习被动语态的构成以及用法。 教学难点：被动语态的用法。 教学方法：参与式教学法。 教学用具:搜集书中的句子以及印发的练习题。 教学过程： 一、导入：应用已学的含有情态动词的被动语态的句子导入。 二、归纳： 1. 先请同学们讨论，对被动语态进行归纳总结：被动语态 （一）主语与动词的关系：主动语态主语是动作的执行者，被动语态主语是动作的承受者。 （二）被动语态的基本结构：be + done（动词的过去分词） 一般现在时态的被动结构：am /is /are + done 一般过去时态的被动结构：was /were + done 一般将来时态的别动结构：will be + done 情态动词的被动结构：情态动词+ be + done （要求学生一定要记住这些结构） （三）被动语态的用法：当我们不知道谁是动作的执行者，或者没有必
要指出谁是动作的执行者时，或者只需要强调动作的承受者时，要用被动语态。 三、例题解析：（结合习题，教师给学生讲解如何分析并解决问题） 1. They use a recorder in class。（变成被动语态）→ A recorder is used by them in class. 2. His mother told him a story yesterday.(变成被动语态)(双宾语) He was told a story by his mother yesterday. 四、课堂练习：（学生完成课堂练习，先个体完成，然后同座核对检查，最后教师讲解） 1. He writes some letters to his classmate. 2.We must plant more trees next year. 3.Everyone loves him. 4.The teacher gave them some good books. 5.People can’t see the stars in the daytime. 6.Some people often see him read English in the morning. 五．拓展练习: 1.They are going to have an evening party tomorrow. 2.Some workers are painting the rooms now． 3.They are holding a sports meeting now. Slide 20 4.We have made twenty more keys． 5.Workers have built the house since two years ago. 6.We had received many letters by the end of last week. 7.They have been cleaned the street.
高中英语 现在完成时的被动语态学案
高中英语现在完成时的被动语态学案 （语法复习） 1、复习被动语态1) 被动语态的结构：be + p、p、2) 一般现在时被动语态的结构：am/is/are (not)+p、p、3) 一般过去时被动语态的结构：was/were (not)+p、p、4）含有情态动词被动语态的结构： can/could/may/might/will/would/shall/should/must/need(not )+be + p、p、5）一般将来时被动语态的结构：will (not)/be (not) to+ be+ p、p、 2、用所给词的正确行使填空1) Running races (hold) on the playground yesterday、2) Food (serve) between12:00 and14:00 every day、3) Nobody can (allow) to enter the stadium without a ticket、4) Whoever breaks the law, he (punish)、Suggested answers:1) were held2)
is served3) will be allowed4) will be punished Step2 语法学习 1、DiscoveringLook at the following sentence, paying attention to the underlined part、EXAMPLE: Over time I have been changed a lot、 Go back to page18 to read the passage Who am I ?, pick out the sentences in the present perfect passive voice and translate them into Chinese、 2、ThinkingLet students look at the tense used in the sentences they picked out and think over this question: What is the structure of the present perfect passive voice? 3、 Summing upThe structure of the present perfect passive voice is “have/has+ been + p、p、”、 It is a combination of the present perfect tense (have/has + done) and the passive voice (be + p、p、)、Turn to page87 and look at the chart of the present perfect passive voice、现在完成时的被动语态的构成（以动词ask为例）肯定式 否定式疑问式I havebeen asked…You have He/She/It hasWe haveYou have They haveI havenot been asked…You have He/She/It hasWe haveYou have They have Have I Have you
【英语】英语被动语态用法总结(完整)
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现在完成时被动语态教学设计
高中英语语法《现在完成时的被动语态》教学设计 一、教材分析 本节课的授课内容为被动语态中的一个重点也是难点的内容：现在完成时被动语态的学习及其应用。对于该内容学生半知半解，加上语法容易让人觉得枯燥，学生对此内容有排斥畏难心理。所以教学中将语法知识的传授和语言基本技能的学习结合到一起，注重学习语法与语言的运用。采用任务型教学法、情景教学法和小组合作探究学习法，让学生亲身去感知、领悟知识和运用知识，从而扩大课堂的语言输入量及学生的语言输出量，使其内容更加丰富，降低了语法学习的难度，同时也使语言学习和运用语言的过程成为一种栩栩如生的互动体验，提高了学习效率。 二、学情分析 授课对象为高一级的学生，他们来自全区各地初中，大部分学生的基础知识仍然较为薄弱，运用英语进行交际活动的能力较差，主动学习的动力不够，然而他们学习比较认真，渴求知欲旺盛，思维比较活跃。部分学生的基础较好，能主动配合老师。所以只有设臵使他们感兴趣的活动，利用发生在学生身边的事情——教室的环境布臵和学校艺术文化节作为语法学习的载体，因材施教，让学生明白所学语言知识的实用性，这样才能激发学生学习的积极性，并在师生互动、生生互动中实现教学任务和目标。 三、教学目标 知识与技能：1.让学生弄清楚现在完成时被动语态的结构和用 法； 2.重点是现在完成时被动语态的应用。 过程与方法：1.培养学生自主学习、协作学习和探究的能力； 2.培养学生分析问题、解决问题、归纳问题的能 力。 3.提高思维能力和运用英语的综合能力。
情感价值观：通过本节课的学习，培养学生热爱学校积极参与 学校活动的情感。 四、教学重点和难点 现在完成时被动语态的基本构成与实际应用。 五、教学策略和方法 本节课的教学以学生为中心，以教室的环境布臵和学校艺术文化节为载体，使课堂教学过程成为学生自主地进行信息加工、知识意义构建、归纳能力发展的过程。教师在教学过程中则适时介入，引导、启发、组织、帮助、促进。随堂进行小组指导，一方面参与学生的讨论，更给学生以个别辅导，以帮助学生解决学习过程中的难题。通过演示法把制作的课件、学生的作文等显示给学生看，便于学生对知识的把握，并从中获得启迪，从而解决问题。通过小组协作法分析问题、解决问题，从而内化而形成学习成果，并将其在全班学生中展示，使学生获得成功的喜悦，从而激发学生的后续学习热情。通过任务驱动教学法将所要学习的新知识隐含在语言操练之中，学生通过对呈现的图片进行分析、讨论，并在老师的指导、帮助下用本节课的语法对图片进行描述，以达到对语法项目的操练，最后通过任务的完成而实现对所学知识的意义建构。 六、板书设计 现在完成时被动语态的基本结构：have/has been done 七、教学过程 Step1 Revision (复习)（6分钟） 本单元学习的话题是计算机，计算机的应用很广泛，让学生在阅读里面找出介绍计算机应用的句子，并齐读句子：?The computers have been used in communication, finance and trade. ?The computers have been put into robots. ?It has been used to make mobile phones as well as help with
最新英语被动语态用法总结(完整)(1)
最新英语被动语态用法总结(完整)(1) 一、单项选择被动语态 1．My brother and I have __________her birthday party. A．been invited B．been invited for C．invited to D．been invited to 【答案】D 【解析】 【详解】 考查语态和固定搭配。句意：我哥哥和我被邀请参加她的生日聚会。My brother and I与invite之间是被动关系，invite sb to somewhere表示“邀请某人去某地”，故D项正确。 2．—Are we about to having dinner? —Yes, it ________ in the dining room. A．serve B．is serving C．is being served D．has been serving 【答案】C 【解析】考查时态和语态。句意：——我们准备去吃饭吗？——是的，饭菜正在餐厅被供应。it是指饭菜，和动作serve之间是被动关系，且动作正在进行，四个选项中只有C项是现在进行时的被动语态，故选C。 3．The affairs of each country should be by its own people. A．elected B．settled C．developed D．contained 【答案】B 【解析】考查动词。句意为：各国事务应由自己国家的人们解决。由句意可知，选settle，意为“解决”。elect选举；develop 发展；contain 包含，控制。故选B。 4．The new library ________; it will be open next year. A．had been built B．was built C．was being built D．is being built 【答案】D 【解析】考查时态和语态。句意：图书馆正在建设中；明年开放。根据后面一句可推知，图书馆是正在建设中，所以要用进行时，图书馆是被建的，要用被动。所以本句要用现在进行时的被动语态。故选D。 5．—Do you know why a meeting by the middle school teachers last Sunday? —To demand smaller classes of no more than 25 to 30 students in each class. A．was held B．had been held C．has held D．held
教案课程被动语态
C——(被动语态) 课堂导入 （3分钟） 越来越多的人在玩这个游戏。 →这个游戏被越来越多的人玩。 基础知识 夯实基础（30分钟） 扎实基础 【★】被动语态的基本结构 be + 动词过去分词 【★】被动语态的用法 在被动语态中，主语是动作的承受者。 1.不知道动作的执行者是谁： This watch is made in China. 这块手表是中国制造。 2.没有必要支出动作的执行者是谁： More trees must be planted every year. 每年都应该种更多的树。
变为被动句时，应加上动词不定式符号to. 例，We often hear the girl sing in her room in the evening. The girl is often heard to sing in her room in the evening. 【★】各种时态的被动语态 【趁热打铁】 1. A new club in our school at the beginning of this year and now it has many members. A. starts B. is started C. has started D. was started 【解析】考查一般过去时的被动语态。句意：年初，我们学校一个新俱乐部。目前，它已经吸纳了很多会员。本题主语为动作承受者，需用被动语态。根据时间状语“at the beginning of this year ”可知应用一般过去时。故选D。 回顾小结 （2分钟） 根据图像注意主动与被动之间的切换，主语与宾语的正确写法； 通过表格，要认识并掌握每个时态所表达的被动语态及正确书写格式。
一般将来时被动语态教案
一般将来时的被动语态教案 一、教学目标 知识目标：让学生在初中被动语态学习的基础上认识学习一般将来时被动语态的结构和用法。 能力目标：通过演绎归纳法让学生能够结合真实语境正确应用一般将来时被动语态。 情感目标: 在学习过程中，让学生学会探究合作，小组讨论等，以培养学生的集体合作精神；并且能够产生对于英语语法的兴趣。 二、重点难点 如何让学生更好的掌握一般将来时被动语态的结构和用法以及如何培养学生自主学 习和提高学生对于语法学习的兴趣。 三、学情分析 学生在初中阶段已经学习了被动语态，但是并没有将将来时被动语态单独提出来讲解，所以可能会有所混淆。更有甚者，可能有些学生将被动和主动都没有分清楚。 四、教学方法 演绎归纳教学和任务型教学 五、教学过程 Step1 Grammar revision Ask students what the form of the passive voice is and show them on the blackboard. 基本结构：be + p.p. 一般现在时被动语态：am/is /are + p.p. 现在进行时被动语态：am/is/are + being + p.p. Then ask students to fill in the following blank with correct passive voice. 1.Their house _________(paint) and they have to live in their parents home. 2.Visitors _________ (request) not to take photos here. 3.In some parts of the world, tea _______(serve) with milk and sugar. 4. A new railway ________(build) at present. Step2 Grammar learning 1.Show some sentences which use the future passive voice and ask students to observe the underlined parts. 1)The 31th Olympic Games will be held in Rio de Janeiro in 2016. 2)Many athletes are going to be sent to there to compete for medals. 3)These desks and chairs are to be repaired tomorrow. 2.Ask the students what tense is used in these sentences. And then tell them they use the future passive voice. Show the form of the future passive voice on the blackboard. 将来时被动语态：shall/will + be + p.p.或者am/is/are + be to + p.p. 或者am/is/are + going to be + p.p. 3.Ask students to turn back to page9-10, and try to find the sentences which use the future passive voice from pre-reading and reading. If necessary, they can translate the sentences into Chinese. 4.Finish Exercise2 on page 13 and learn about the rule for the Olympic Games. Step3 Practice 1. I promise that this matter _____ next week. A. will be taken care B. will take care of
初中英语被动语态的教案(教学设计)
初二英语被动语态 一、语态概述 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。主动语态表示主语是动作的执行者。巧记为：主动、主动、主去动。 例如：Many people speak English. 谓语：speak的动作是由主语many people来执行的。 被动语态表示主语是动作的承受者，即行为动作的对象。巧记为：被动、被动、主被动。例如：English is spoken by many people.主语English是动词speak的承受者。 判断：看我上面举的例子，你来判断哪个是主动哪个是被动？ He opened the door.他开了门。(主动句) The door was opened.门被开了。(被动句) 说明：好了，现在我们对被动语态的句子形式有了一个形象的认识，但英语句子是千变万化的，这时就需要你有“火眼金睛”了。下面老师就来具体讲一讲被动语态的构成。 二、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teach为例说明被动语态在各种时态中的构成。 说明：别看英语中一会儿主动被动一会儿现在时一会儿过去时啥的，好像看得咱们眼花缭乱啦。其实呢，这么一堆东西归纳起来，就两点：时态和语态。 一般现在时：am／is／are＋taught 一般过去时：was／were＋taught 一般将来时：will／shall be＋taught 现在进行时：am／is／are being＋taught 过去进行时：have／has been＋taught 现在完成时：have／has been＋taught 歌诀是：被动语态be字变，过去分词跟后面。 说明：那么，什么时候用被动语态呢？简单的说，凡是汉语中带“被”的句子，都能转换成英语的被动语态。 三、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 book was published in 1981.这本书出版于1981年。 (2)强调动作的承受者，而不强调动作的执行者。 例如：the window was broken by Mike.窗户是迈克打破的。 This book was written by him.这本书是他写的。 Eight hours per day for sleep must be guaranteed.每天8小时睡眠必须得到保证。 歌诀：谁做的动作不知道，说出谁做的没有必要； 动作承受者需强调，被动语态运用到。 主动态和被动态指的是动词形式，是词法概念；而主动句和被动句则指的是句子结构，从而是句法概念。所谓主动句就是由主动态动词(词组)作谓语动词的句子，而被动句则是由被动态动词(词组)作谓语动词的句子。 补充内容： 四、主动语态变被动语态的方法
被动语态教案
Teaching Plan Teaching objectives: . Master the usage of the passive structures in different tenses. .Get to know the basic functions of passive voice. . Learn to use the passive structures based on the context. Difficult points: Students will be able to understand the usage of Passive V oice in different sentences. Teaching and Learning Methods: Teaching methods: . Task-based method Learning methods : individual work; pair work Teaching Aids: multimedia / worksheet Teaching procedures: Ⅰ. Lead-in Show students some English sayings and ask some questions: Have you ever read the classical sayings shown on the screen? Do you know the meanings of the sayings? Have you found something similar in terms of the verb forms? Purpose of the activities: Arouse the students’ interests in the beautiful sentences aiming at introducing the topic. Ⅱ. Definition and classification of Voice Introduce the basic form of the Passive V oice by explaining sentences Ⅲ. Basic functions of Passive Voice Make the students understand when and why we use the Passive V oice. Ⅳ.The passive structures in different tenses 1.Explain to the students how to change Active V oice into Passive V oice 2.Invite the students to read and analyze some sentences
初中英语被动语态的教案教学设计
初二第六单元语法被动语态 一、语态概述 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。主动语态表示主语是动作的执行者。巧记为：主动、主动、主去动。 例如：Many people speak English. 谓语：speak的动作是由主语many people来执行的。 被动语态表示主语是动作的承受者，即行为动作的对象。巧记为：被动、被动、主被动。例如：English is spoken by many people.主语English是动词speak的承受者。 判断：看我上面举的例子，你来判断哪个是主动哪个是被动？ He opened the door.他开了门。(主动句) The door was opened.门被开了。(被动句) 说明：好了，现在我们对被动语态的句子形式有了一个形象的认识，但英语句子是千变万化的，这时就需要你有“火眼金睛”了。下面老师就来具体讲一讲被动语态的构成。 二、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teach为例说明被动语态在各种时态中的构成。 说明：别看英语中一会儿主动被动一会儿现在时一会儿过去时啥的，好像看得咱们眼花缭乱啦。其实呢，这么一堆东西归纳起来，就两点：时态和语态。 一般现在时：am／is／are＋taught 一般过去时：was／were＋taught 一般将来时：will／shall be＋taught 现在进行时：am／is／are being＋taught 过去进行时：have／has been＋taught 现在完成时：have／has been＋taught 歌诀是：被动语态be字变，过去分词跟后面。 说明：那么，什么时候用被动语态呢？简单的说，凡是汉语中带“被”的句子，都能转换成英语的被动语态。 三、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.
被动语态专题复习教案
被动语态 一、语态概述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。主动语态表示主语是动作的执行者。 例如：Many people speak Chinese. 谓语：speak的动作是由主语many people来执行的。 被动语态表示主语是动作的承受者，即行为动作的对象。 例如：Chinese is spoken by many people. 主语English是动词speak的承受者。 一、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。 被动语态的各种形式： 1) 一般现在时：am/is/are +done eg：I'm asked to take care of myself. eg：Football is played all over the world. 2）现在完成时：has /have been done eg：This book has been translated into many foreign languages. eg：The prices of many goods have been cut again . 3）现在进行时：am/is /are being done eg：A road is being built around the mountain. eg：Many new houses are being built in this city. 4）一般过去时：was/were done e eg1：This house was built in 1958. eg2：His leg was broken in an accident.. 5）过去完成时：had been done eg1：A new school had been set up by the end of last year. eg2：When the anthem had been played the conference began. 6) 过去进行时：was/were being done eg1：meeting was being held when I was there. eg2：We were being trained this time last year. 7) 一般将来时：shall/will be done eg1：More factories will be built in our city. eg2：He will be taken to hospital tomorrow. 8) 将来完成时：shall/will have been done eg1：The project will have been completed before July. eg2：Your clothes shall have been made for you soon. 三、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 built in 1981.这座桥建于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。