八年级英语被动语态ppt课件

  • 发布时间:2014-06-20
  • 课件大小:66 KB
  • 所属栏目:八年级英语
  • 课件格式:.rar(压缩解压).ppt(使用格式)
  • 课件等级:八年级英语被动语态ppt课件推荐等级为3星
  • 简略标题:被动语态
  • 应用环境:多媒体教学
  • 制作使用:PowerPoint
  • 应用阶段:通用版本

八年级英语被动语态ppt课件介绍

八年级英语被动语态ppt课件内容预览:四川省巴中市巴州区水宁寺镇小学牛津8B Unit 3被动语态英语动词的语态⑴主动语态:主语是动作的执行者⑵被动语态:主语是动作的承受者例: We speak English.(主动语态)主谓宾English is spoken by us.(被动语态)主谓介词+宾语主动语态被动语态We clean the classroom. The classroom is cleaned by us.She closed the window. The window was closed by her.He wrote a letter last night. A letter was written by him.被动语态的构成主语+be +过去分词+其他pptThe simple present tense:(一般现在时)The simple past tense:(一般过去时)带情态动词的被动语态:被动语态的用法:(见课本P45)1.当动作执行者显而易见时。(即没必要指出动作的执行者)Our classroom is cleaned every day.2.当我们不知道或不能想起谁是动作的执行者时。The cars were made in Tianjing in 1995.3.当我们认为行为(动作)比谁是这个行为(动作)的执行者更重要时。The red coats in this shop were sold out yesterday.主动语态与被动语态的谓语动词形式(以动词do为例)时态动词的主动形式动词的被动形式一般现在时do(does)amisare done一般过去时did waswere done一般将来时will do will be done现在进行时amisare doing amisare being done过去进行时waswere doing waswere being done现在完成时havehas done havehas been done过去完成时had done had been done过去将来时would do would be done(另:情态动词+do 情态动词+be done)被动语态的谓语动词形式时态动词的被动形式例句一般现在时amisare doneHe is asked to do this.一般过去时waswere doneThe room was cleaned by her mother.一般将来时will be done The trees will be cut down tomorrow.现在进行时amisare being doneThe book is being written.过去进行时waswrere being doneAt that time the desk was being made.现在完成时havehas been done The building has been built.过去完成时had been done He said that his homework had been done.过去将来时would be done They said the trees would be planted soon被动语态的各种句型The book is liked by young people.(肯定句)The book isn’t liked by young people.(否定句)Is the book liked by young people ?(一般疑问句)Yes,it is. No,it isn’t.(回答)Whom Who is the book liked by ?(特殊疑问句)The room is cleaned,isn’t it?(反义疑问句)主动语态改为被动语态的方法1..把主动句中的宾语改成被动句的主语,原主语改成宾语.2动词改为被动形式be +P.P(同时注意时态).3原来的主语如果需要的话放在介词by后面,以指明做事的人或物,如果没有必要则省去..例:(1) We speak English.(主动语态)主谓宾English is spoken by us.主谓介词+宾语(2) The man killed a tiger.A tigerwas killed by the man.特殊句型的被动语态一双宾语give ,pass ,show,teach ,tell等动词常常带有两个宾语即双宾语:直接宾语和间接宾语,改为被动语态时,可以选其中任何一个作主语。如果直接宾语作主语,那么间接宾语前要加相应的介词tofor。但ask ,answer 后的双宾语,一般将间接宾语(人)变为主语;buy,make 等后的双宾语,一般将直接宾语(物)变为主语.例:① He gave me a pen.= He gave a pen to me.间直直间→ I was given a pen by him.间→A pen was given to me by him.直② My mother bought me a new coat.= My mother bought a new coat for me.直间

课件关键字:被动

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