Unit 8 A green world Grammar 课件 2025-2026学年译林版八年级英语下册

该初中英语课件聚焦被动语态（一般现在、过去、将来时），以学校环境周情境（Mr Wu发言）导入，通过对比主动与被动语态，梳理三种时态结构，搭建从已知到未知的学习支架，帮助学生系统掌握语法知识。 其亮点是以环保主题为载体，通过任务型活动（如环境周对话练习、污染短文填空）提升语言能力，结合时态对比培养思维品质，融入环保意识渗透文化意识。学生能在真实语境中运用语法，教师可借助结构化练习和分层作业提升教学效率。

Unit 8 A green world (Grammar) 页面统一为16:9宽幅画面比例尺寸；PPT统一格式为PPT或PPTX。 英文 1.课名：字体以Times New Roman为主，字号一般使用32—36号，特别强调可以用40号； 2.（Period 1）：字体使用Arial，字号为28； 3.正文一般用24—28号，特别强调可用32号。 注意标点的规范（例如：中文省略号为……，可用Shift+数字键6打出中文省略号，英文省略号为…） 1 ★学习目标： •掌握一般将来时被动语态的结构与用法，区分三种时态被动语态； •能在环保主题情境中，正确运用被动语态进行口语与书面表达； •增强环保意识，树立绿色生活理念。 ★教学难点： •区分一般将来时主动语态与被动语态的结构与语用差异。 •在真实写作与口语表达中，准确、自然地综合运用不同时态的被动语态。 •理解中英文在被动表达上的思维差异，避免母语干扰。 Passive voice in the simple future tense Passive voice（被动语态） •主动语态：主语是动作的发出者（执行者） 例：People will punish him. （人们会惩罚他。） •被动语态：主语是动作的承受者（被执行者） 例：He will be punished (by people). （他会被（人们）惩罚。） 核心结构：主语 + be动词 + 过去分词 + (by + 动作执行者) 被动语态的使用场景 ①不知道或无需强调动作的执行者 例：A new park will be built here.（谁建不重要，重点是“公园被建”） 这里要建一座新公园。 Rubbish is collected every morning.（重点是“垃圾被处理”。） 垃圾每天早上都会被收走。 ②需要突出 / 强调动作的承受者（主语） 例：The old library was rebuilt last year.（重点对象是“图书馆”） 旧图书馆去年被重建了。 被动语态的使用场景 ③正式、客观的书面语语境（公告、法律、说明文） 例：Smoking is not allowed in public places.（公告类客观表达） 公共场所禁止吸烟。 These rules must be followed by everyone.（重点对象是“规则”） 这些规则必须被所有人遵守。 ④动作的执行者被 by 引出，需要放在句末补充说明 例：The thief was caught by the police. 小偷被警察抓住了。 （重点是“小偷被抓”，执行者“警察”后置补充） Passive voice in the simple present tense （一般现在时被动语态） 一般现在时被动语态：主语是动作的承受者，表示经常性、习惯性 动作、客观事实、规章制度、常态情况。 基本结构：主语 + am /is/are + 动词过去分词 (done) 例句：Some of the clothes are sold in charity shops. Some are given to people in need. Others are sent to factories for recycling. Passive voice in the simple future tense （一般将来时被动语态） 一般将来时被动语态：表示将来将要发生的被动动作，主语是动作 的承受者，多用于计划、安排、规定、未 来举措等场景。 基本结构：will be + 动词过去分词 / be going to be + 动词过去分词 例句：When people break these rules, they will be punished. They are going to be used more widely in the future. Passive voice of the simple past tense （一般过去时被动语态） 一般过去时被动语态：表示过去发生的被动动作，主语是动作的承 受者，常用于讲述过去的事件、规定、举措 或已发生的事实。 基本结构：主语 + was /were + 动词过去分词 (done) 例句：The classroom was cleaned ten minutes ago. The sports meeting was not held last week because of the rain. Mr Wu is tolking about the school Environment Week. Reod what he says below and pay attention to the use of the passive volce. Last year, many trees were planted at the school during the Environment Week. This year, other eco-friendly activities will be organized. A recycling event is going to be held at our school. You can donate old clothes and shoes. They’ll be sent to poor areas. I hope everyone will take an active part in at least one activity and also vote for the activities you want to see in the future. Simple past tense ① ① ② ③ Simple future tense We form the passive volce in the simple future tense like this: Work out the rule •We use the passive voice in the simple future tense when the action has not taken place yet. •We use "will be/be going to be + past participle" to form the passive voice in the simple future tense. 当动作尚未发生时，我们在一般将来时中使用被动语态。 我们使用“will be/be going to be”过去分词来构成一般将来时的被动语态。 A The students are talking about the Environment Week. Look at the words below and help them make sentences using the passive voice in the simple future tense. activities/during the Environment Week/a lot of/organize/are going to ___________________________________________________________ design/posters/will/by Sandy/for the activities ___________________________________________________________ to all the people/send/leaflets/in the town/will ___________________________________________________________ A lot of activities are going to be organized during the Environment Week. Posters for the activities will be designed by Sandy. Leaflets will be sent to all the people in the town. A The students are talking about the Environment Week. Look at the words below and help them make sentences using the passive voice in the simple future tense. are going to/hold/some of the activities/in the town square ___________________________________________________________ with green grass and flowers/will/the playground/decorate ___________________________________________________________ is going to/in the town hall/an environmental show/hold ___________________________________________________________ The playground will be decorated with green grass and flowers. An environmental show is going to be held in the town hall. Some of the activities are going to be held in the town square. B Lisa is talking to her cousin Harry on the phone about a show that will be held during the Environment Week. Help Lisa answer Harry's questions using the passive voice in the simple future tense and the words in brackets. Lisa: Hi, Harry. There's going to be a show on environmental protection here. Harry: Really? When is the show going to be held? Lisa: _______________________________________________ (this Friday evening) Harry: Will the show be held at your school? Lisa: No, __________________________________________ (in the town hall) The show/It is going to be held this Friday evening. The show/It will be held in the town hall. B Lisa is talking to her cousin Harry on the phone about a show that will be held during the Environment Week. Help Lisa answer Harry's questions using the passive voice in the simple future tense and the words in brackets. Harry: Who will be invited to the show? Lisa: _______________________________________________________ (some famous people in our town) Harry: What will be shown at the show? Lisa: _______________________________________________________ __________________________ (videos about the changes in the environment of Sunshine Town) Harry: What will be discussed at the show? Lisa: _______________________________________________________ (ways to protect the environment) Some famous people in our town will be invited to the show. Videos about the changes in the environment of Sunshine Town Ways to protect the environment will be discussed at the show. will be shown at the show. C Kitty wrote an article about pollution. Complete it below using the passive voice of the words in brackets. Pollution Pollution is one of the biggest problems in the world today. In many places, rubbish __________ (throw) into lakes and rivers, so many of them __________ (pollute). In some cities, people's health ___________ (affect) by air pollution. Harmful gases in the air cause coughing or worse, and more people ___________________ (hurt) in the future if the air does not become cleaner. Like people, animals _________ (harm) by pollution. Soil pollution and water pollution kill many animals every year. Plastic pollution is also a serious problem. Last year, millions of pieces of plastic __________ (find) in the Atlantic Ocean. Much ofthe rubbish __________ (eat) by seabirds and sea animals. is thrown are polluted is affected will/are going to be hurt are harmed were found was eaten C Kitty wrote an article about pollution. Complete it below using the passive voice of the words in brackets. Sadly, over one million seabirds and over 100,000 sea animals die every year because of this. If we do not act to improve the environment, more living things _______________ _________ (kill) by pollution. However, there is some good news. An environmental show _____________________ (hold) in the town hall this Friday evening. All of us will have a chance to think about the world around us. Ways of protecting the environment _______________________ (discuss). Everyone can share ideas on how to make the world a better place. will/are going to will/is going to be held will/are going to be discussed be killed Write a short text about your school's activities to protect the environment, using the passive voice in the simple present, past and future tenses. Exercise 页面统一为16:9宽幅画面比例尺寸；PPT统一格式为PPT或PPTX。 英文 1.课名：字体以Times New Roman为主，字号一般使用32—36号，特别强调可以用40号； 2.（Period 1）：字体使用Arial，字号为28； 3.正文一般用24—28号，特别强调可用32号。 注意标点的规范（例如：中文省略号为……，可用Shift+数字键6打出中文省略号，英文省略号为…） 21 单项选择 1.It is said that more railways _______ to improve the traffic situation in the future. A.built B.will be built C.are building D.have been built 2.More than 30 works of art ______ to the public in the museum next year. A.were shown B.will show C.was shown D.will be shown 3. Solve the first problem and the rest ______ tomorrow. A.are going to be discussed B.is going to be discussed C.will discuss D.is discussing B D A 用括号内单词的正确形式填空 1. Now it's four o'clock. My father ________________________ (finish) his work at a quarter to five. 2. The sea will __________________ (pollute) if people keep throwing waste into it. 3. There ________________ (be) a few football matches on the internet tomorrow evening, aren't there? 4. Because of the outbreak of the virus, the international trade is deeply ___________ (affect). is going to finish/will finish be polluted are going to be affted Homework 页面统一为16:9宽幅画面比例尺寸；PPT统一格式为PPT或PPTX。 英文 1.课名：字体以Times New Roman为主，字号一般使用32—36号，特别强调可以用40号； 2.（Period 1）：字体使用Arial，字号为28； 3.正文一般用24—28号，特别强调可用32号。 注意标点的规范（例如：中文省略号为……，可用Shift+数字键6打出中文省略号，英文省略号为…） 24 Must-do: •Imitate and write 5 sentences in passive voice of the simple future tense (environmental protection theme). • Complete a short essay about school environmental protection activities. Choose to do: •Introduce a campus environmental protection activity with your desk mate using the passive voice. Homework $