九年级Unit5_被动语态ppt课件.ppt
The Passive Voice新目标九年级Unit 5 语法课件：被动语态Unit 5 What are the shirts made of?Lead inDaily talk:As students,what do we do every school day?clean and tidy classroomWe clean the classroom .The classroom is cleaned by us .before classbefore classDaily talk:As students,what do we do every school day?We listen to teachers carefully .Teachers are listened tocarefully in class.in classby us We do my homework carefully .carefully after class.Daily talk:As students,what do we do every school day?is done after classMy homework by us We clean the classroom before class.We listen to teachers carefully in class.We do my homework carefully after class.观察讨论：观察讨论：1.主语主语we与谓语动词的关系：发出与谓语动词的关系：发出/接受接受?在主动语态中，主语主语是动作的发出者在主动语态中，主语主语是动作的发出者(执行者执行者)。The classroom is cleaned by us before class.Teachers are listened to carefully by us in class.My homework is done carefully by us after class.观察讨论：观察讨论：2.主语主语we与谓语动词的关系：发出与谓语动词的关系：发出/接受接受?在被动语态中，主语是动作的承受者（接受者）。在被动语态中，主语是动作的承受者（接受者）。观察讨论：观察讨论：3.谓语部分有什么共同特征？谓语部分有什么共同特征？被动语态的基本结构（谓语表现）：被动语态的基本结构（谓语表现）：助动词助动词be+p.p.be+p.p.（动词的过去分词）（动词的过去分词）归纳总结：归纳总结：1.怎样判断句子是主动语态还是被动语态？怎样判断句子是主动语态还是被动语态？分析句子的主语与谓语主要动词的关系。分析句子的主语与谓语主要动词的关系。如果主语是动作的发出者，则为主动语态；如果主语是如果主语是动作的发出者，则为主动语态；如果主语是动作的承受者，则为被动语态；动作的承受者，则为被动语态；English is found very useful by us.My mother washes dishes every day.I am asked to study hard.想一想，辨一辨：想一想，辨一辨：（被动）（被动）（被动）（被动）（主动）（主动）被动语态的基本结构被动语态的基本结构：（1）助动词助动词be+be+（2 2）V.p.p（1）助动词助动词bebe的多种变化可以延伸出多种时态的被动语态：的多种变化可以延伸出多种时态的被动语态：一般现在时的被动语态一般现在时的被动语态:Many trees are planted in our school every year.归纳总结：归纳总结：2.被动语态的基本结构是什么？它有哪些拓展结构？被动语态的基本结构是什么？它有哪些拓展结构？am/is/are+p.p.am/is/are+p.p.（动词过分）（动词过分）（动词过分）（动词过分）口诀：口诀：口诀：口诀：被动语态被动语态be字变，过去分词跟后面。字变，过去分词跟后面。一般过去时的被动语态一般过去时的被动语态:Many trees were planted in our school last year.一般将来时的被动语态一般将来时的被动语态:Many trees will be planted in our school next year.情态动词的被动语态情态动词的被动语态:Many trees should be planted in our school.waswas/were+p.p./were+p.p.willwill+be+p.p.+be+p.p.情态动词情态动词情态动词情态动词+be+p.p.+be+p.p.Vp.p.regular verbsirregular verbsdodiddone+ed（2 2）过去分词的构成）过去分词的构成:比一比，赛一赛：比一比，赛一赛：自读课本，写出下列动词的过去式及过去分词自读课本，写出下列动词的过去式及过去分词takecome break put throwsellreadgosingbuyhearteachthrowthrewthrownsingsangsungcomecamecomereadreadreadbuyboughtboughttaketooktakensellsoldsoldhearheardheardbreakbrokebrokengowentgone putputputteachtaughttaught读一读，记一记：读一读，记一记：Exercise1.Usually computers _ to search the Internet.A.use B.are using C.are used D.is used答案：答案：C解析：经分析可知，主语解析：经分析可知，主语computer是谓语主要动作是谓语主要动作use的接受的接受者，应选择被动语态：者，应选择被动语态：be+pp；computers为复数，选择为复数，选择C。想一想，练一练想一想，练一练2.Trees and flowers _ every day to make our country more beautiful.A clean B.cleans C.are cleaned D cleaned答案：答案：C解析：经分析可知，主语解析：经分析可知，主语Trees and flowers是谓语主要动作是谓语主要动作clean的接受者，应选择被动语态：的接受者，应选择被动语态：be+p.p，选择，选择C。想一想，练一练想一想，练一练ExerciseExercise3.Today Chinese _ more and more people around the world.A.Speak B.is spoken C.are spoken D.spoke答案：答案：C解析：经分析可知，主语解析：经分析可知，主语Chinese是谓语主要动作是谓语主要动作speak的接受者，应选的接受者，应选择被动语态：择被动语态：be+pp；Chinese,汉语，单数概念，选择汉语，单数概念，选择B。想一想，练一练想一想，练一练1.Chinese _(speak)by a large number of people now.2.A skirt _(buy)for me yesterday.3.A lot of trees _(plant)around here every year.4.Sometimes we _(use)smart phones to take pictures.5.Tea plants _(grow)on the sides of mountains.实战演练实战演练1 1：用括号内动词的适当形式填空。：用括号内动词的适当形式填空。is spoken was bought are planteduseare grown原句：原句：His brother（主）（主）washes（谓）（谓）bowls（宾）（宾）every day.Bowls 主动变被动的方法：主动变被动的方法：1.分析成分是基础；分析成分是基础；2.原主作原主作by宾，原宾作现主；宾，原宾作现主；3.谓语谓语be与与pp置句中；置句中；现句：现句：by his brother are washedevery day.现句与原句保持时态一致；现句与原句保持时态一致；1.They play football on Sunday.2.Lucy does the homework in the evening.3.They often use computers in class.4.We make these machines in Shanghai.5.People speak English as the first language in UK.Football is played by them on Sunday.The homework is done by Lucy in the evening.Computers are often used by them in class.These machines are made in Shanghai.English is spoken as the first language in UK.实战演练实战演练2 2：将下列各句变为被动语态：将下列各句变为被动语态1.1.英语的语态是通过动词形式的变化表现出来。英语的语态是通过动词形式的变化表现出来。英语中有两种语态英语中有两种语态:主动语态主动语态和和被动语态被动语态。当主语是动作当主语是动作的的执行者时执行者时,我们选择主动语态；当主语是动作承受我们选择主动语态；当主语是动作承受者时，我们选择被动语态。者时，我们选择被动语态。2.2.被动语态的基本构成：被动语态的基本构成：be+vt.p.p.人称、数和时态的变化是通过人称、数和时态的变化是通过bebe的变化表现出来的。的变化表现出来的。口诀：口诀：被动语态被动语态bebe字变，过去分词跟后面。字变，过去分词跟后面。3.3.各时态的被动各时态的被动语态语态的构成；的构成；一般现在时的被动语态一般现在时的被动语态:am/is/are+p.p.一般过去时的被动语态一般过去时的被动语态:was/were+p.p.一般将来时的被动语态一般将来时的被动语态:will be+p.p.情态动词的被动语态情态动词的被动语态:情态动词情态动词+be+p.p.4.4.主动语态可以转化为被动语态。主动语态可以转化为被动语态。1.1.怎样理解被动语态？怎样理解被动语态？2.2.被动语态的基本结构与拓展结构有哪些？被动语态的基本结构与拓展结构有哪些？3.3.主动语态怎样变成被动语态？主动语态怎样变成被动语态？Homework谢 谢
