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1、Unit 5,Section A Grammar Focus,Is it made of silver? It was made in Thailand. What is the model plane made of? Where is tea produced in China? How is it grown? It is planted on the side of mountains. They are picked by hand and then are sent for processing.,Read the sentences below, paying attention
2、 to the underlined parts.,Passive Voice,被动语态 (Passive Voice),结构: be + V-p.p.,am / are / is + 动词的过去分词,一般现在时的被动语态:,Many people speak English.,主动句与被动句之间的转换,English is spoken by many people.,主语 谓语动词主动语态的过去式 宾语,主语 谓语动词被动语态的过去分词 介词+ 宾语,主动句变为被动句所遵循的4个步骤：,1. 把原主动句中的宾语变为被动句的主语。,2. 把动词变为被动形式即be+过去分词，并注意其人称和数随
3、主语的变化，而动词的时态则保持不变。,3. 原主动句的主语如需要则放在by后面以它 的宾格形式出现（注代词的宾格），如不需要则可省略。,4. 其它的成分（定语、状语）不变。,People play football all over the world. 2. The old man on TV tells a story on Sunday. 3. Students listen to the kind teacher carefully.,Football is played all over the world by people.,A story is told by the old
4、man on TV on Sunday.,The kind teacher is listened to by students carefully.,把下列的主动句变为被动句。,1) Sunglasses _ (use) for protecting peoples eyes. 2) A picture _ (put) up on the blackboard. 3) French _ (speak) in France.,are used,is put,is spoken,用所给动词的正确形式填空。,4) Which language _ the most widely _ (speak)
5、 in the world? 5) The students _ often _ (tell) to take care of their desks and chairs. 6) Vegetables, eggs and fruits _ (sell) in this shop.,is,spoken,are,told,are sold,1. Tea is grown in South China.（改为主动语态） People _ _ in South China. 2. People use metal for making machines. (改为被动语态) Metal _ _ _ m
6、aking machines.,grow,tea,按要求改写下列句子，一空一词。,is,used,for,3. They produce silk in Suzhou. (改为被动句) Silk _ _ in Suzhou. 4. We call maths the language of science. (改为被动句) Maths _ _ the language of science.,is,produced,is,called,1. Cotton (棉花) _ in the southeast of China. A. is grown B. are grown C. grows D.
7、 grow 2. The Great Wall _ all over the world. A. knows B. knew C. is known D. was known,A,选择正确答案。,C,3. In some parts of the world, tea _ with milk and sugar. A. is serving B. is served C. serves D. served 4. Do you often clean your classroom? Yes. Our classroom _ every day. A. clean B. cleans C. is
8、cleaned D. is cleaning,B,C,被动语态的几种句型,1. 肯定句 主语 + be + 过去分词 + (by),A sweet song is sung by her on the stage.,2. 否定句 主语 + be + not +过去分词 + (by),3. 一般疑问句 Be + 主语 +过去分词 + (by)?,A sweet song isnt sung by her on the stage.,Is a sweet song sung by her on the stage?,4. 特殊疑问句 疑问词 + be + 主语 +过去分词 + (by)?,Wher
9、e is a sweet song sung by her?,Do you water your flowers every day?(变为被动句) Trees and flowers are planted every year to make our country more beautiful. (变为疑问句),Are your flowers watered by you every day?,Are trees and flowers planted every year to make our country more beautiful？,按要求改写下列句子。,3. This E
10、nglish song is sung by the girls after class. 改为否定句 改为一般疑问句，并做肯定和否定回答 对划线提问,This English song is not sung by the girls after class.,Is this English song sung by the girls after class?,When is this English song sung by the girls?,被动语态的运用: （1） 不知道谁是动作的执行者或没 有必要知道谁是动作的执行者时。 The house is quite old. It w
11、as built in 1950. 这座房子太旧了，它是1950年建的。 When will the road be opened to traffic? 这条路什么时候通车?,（2） 需要强调动作的对象即宾语时。 Calculator cant be used in the math exam. 计算器不能用于数学考试。 He was awarded first prize in that contest. 他在比赛中获得了第一。,有时为了礼貌等原因不愿说出行为者,这时也常用被动语态。 The construction of the new lab must be completed by
12、the end of next month. 新实验室必须在下个月底前完工。 You are requested to give a performance. 请你给我们表演一个节目。,（3）,主动语态变为被动语态的注意事项： 含有双宾语，即直接宾语(常指事物)和间接宾语(常指人)的句子，每个宾语都可变为被动语态的主语，即其被动语态有两种形式。但多以间接宾语作主语。 Jack told us the truth. We were told the truth by Jack. The truth was told (to) us by Jack.,He passes me the footba
13、ll. (改成被动语态) I _ _ the football by him. The football _ _ _ me by him.,am,passed,is,passed,to,动词的主动形式表示被动之意 1). 系动词无被动语态：以主动形式表示被动之意。常见的系动词有： be动词, look, seem, appear, feel, sound, smell, taste等 It smells terrible. 2).下列动词(词组)没有被动式： happen, take place, break out, belong to, cost, take An accident hap
14、pened yesterday.,注 意,3). 不及物动词sell, wash, read, write, open, close, shut, lock, wear等，常用主动形式表示被动意义。 This book sells well. 这本书畅销。 The kind of cloth washes well. 这种布很容易洗。,4). 在英语口语中，有时可用“get+过去分词”构成被动语态。如： I got dressed as quickly as l could. 我尽快穿上衣服。 这样结构比较常见的搭配有：get arrested, get caught, get dressed
15、, get drowned, get drunk, get lost, get married等。,Pair Work,A: Where are ? B: They are in ,grow in Brazil,grow in Colombia,grow in China,grow in Canada,A: Where is / are ? B: It is / They are in ,followed by,interviewed by,【2013江苏常州】This listening material, together with its CD-ROMs, _ well. A. sells B. sell C. is sold D. are sold 【解析】某些可以和well, easily, smoothly等副词连用的不及物动词如read, write, wash, clean, draw, cook, sell, lock, open等, 且主语是非生命的名词或代词, 用主动结构表被动含义。本句的主语为This listening
