Unit 5What are the shirts made of？被动语态课件-人教版九年级英语全册 .pptx

课题：What are the shirts made of?难点名称：一般现在时的被动语态1人教版九年级-上册-unit5目录CONTENTS2导入导入知识讲解知识讲解课堂练习课堂练习小节小节导入3The novel coronavirus(新型冠状病毒新型冠状病毒)is beaten by doctors.Can you describe this picture?在英语中，动词有两种语态，即在英语中，动词有两种语态，即主动语态主动语态和被动语态和被动语态。被动语态的基本结构是被动语态的基本结构是“助助动词动词 be +及物动词的过去分词及物动词的过去分词”，其中其中助动词助动词be有人称、数和时态的变化有人称、数和时态的变化,其变其变化规则与化规则与be作为连系动词作为连系动词 完全一样。完全一样。知识讲解一：英语的谓语动词有两种语态一：英语的谓语动词有两种语态We speak English.主语主语谓语谓语宾语宾语English is spoken by us.主语主语谓语谓语宾语宾语宾变主宾变主,主变宾主变宾,前加前加by动变被动变被,看清看清be,结构分别结构分别be+p.p.主动语态主动语态被动语态被动语态知识讲解1.一般现在时被动语态的各种句式结构一般现在时被动语态的各种句式结构肯定式肯定式主语主语+am/is/are+过去分词过去分词（+by)否定式否定式 主语主语+am/is/are+not+过去分词过去分词(+by)疑问式疑问式Am/Is/Are+主语主语+过去分词过去分词(+by)?特殊疑问词特殊疑问词+am/is/are+主语主语+过去分词过去分词（+by.)?知识讲解2.一般现在时被动语态的基本用法一般现在时被动语态的基本用法 用法用法 示例示例表示表示经常性或习惯性经常性或习惯性发生的被动动作发生的被动动作I am often asked the question by my pupils.表示表示近期近期正在发生的正在发生的被动动作被动动作These days people are moved by a teacher named Zhang Lili.描述某种描述某种常态化常态化的被的被动的客观事实动的客观事实The spaceship is mainly controlled by computer.强调目前存在的强调目前存在的针对针对行为主体人行为主体人的被的被 限制限制性动作性动作You arent allowed to take photos.知识讲解3.主变被解题步骤主变被解题步骤:1.找宾语找宾语-即动作的承受者即动作的承受者They make shoes in that factory.Shoes2.判断宾语的单复数和判断宾语的单复数和动词的时态动词的时态-即即be动词的单复数和时态动词的单复数和时态.are3.修改谓语的时态修改谓语的时态-即原句动词改为过去分词即原句动词改为过去分词 made4.修改原句的主语修改原句的主语-即即by+主语主语/宾语宾语.by them in that factory.难点突破难点突破1.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 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。把下列的主动句变为被动句。课堂练习难点巩固难点巩固一般现在时的被动语态基本结构：一般现在时的被动语态基本结构：S(主语）主语）+am/is/are +过去分词过去分词小结被动不离被动不离“be”“p.p.”,“p.p.”前面助动前面助动be主谓一致莫忘记，主谓一致莫忘记，am,is,are现在时。现在时。11What are these books made of?They are made of paper.What is the silk made of?It is made of cloth.Where is the silk made?It is made in China.中国创造中国创造createdcreatedin Chinain China