2020-2021学年牛津译林版英语八年级下册 Unit 8 A green 课件PPT

这是一份2020-2021学年牛津译林版英语八年级下册 Unit 8 A green 课件PPT，共53页。
Unit 8 A green world Grammar What did people do?Many trees_______________.were cut down课 堂 导 入RevisionThe litter ____________ everywhere.was droppedsave the dark EarthProtectme!More trees ____________in March every year. are plantedHow do we live in a green world?The lights_______________ when we leave a room. are turned off孙悟空 打 白骨精 (执行者) (谓语动词的主动形式) (承受者) 白骨精 被 孙悟空 打 (承受者) (执行者)Let’s review!被动语态一般现在时或一般过去时态的主动语态和被动语态(要表达被…受…让…遭…之类的含义). 主动语态：主语+谓语+宾语. 被动语态：宾语+谓语+主语. Students clean the classroom.动作执行者 谓语动词主动形式 动作承受者→The classroom is cleaned by students.动作承受者 谓语动词被动形式 动作执行者一般现在时的被动语态 Students cleaned the classroom. 动作执行者 谓语动词主动形式 动作承受者→The classroom was cleaned by students.动作承受者 谓语动词被动形式 动作执行者一般过去时的被动语态1.主动语态表示主语是动作的执行者。例如: Many people speak Chinese.谓语：speak的动作是由主语many people来执行的。2. 被动语态表示主语是动作的承受者，即行为动作的对象。例如:Chinese is spoken by many people.主语English是动词speak的承受者。被动语态的句型总结如下：肯定句:主语+be+过去分词(+by…).否定句:主语+be not+过去分词(+by..)一般疑问句:be+主语+过去分词（+by…）？特殊疑问句:特殊疑问词+be+主语+过去分词（+by…)?被动语态的构成被动语态由"助动词be＋及物动词的过去分词"构成。人称、数和时态的变化是通过be的变化表现出来的。现以speak为例说明被动语态在各种时态中的构成。am/is/are＋spokenwas/were＋spokenYouth CenterEnvironment WeekThey will organize a lot of activities.A lot of activities will be organized.They will design a poster.A poster will be designed.They will see films about environment.Films about environment will be seen.A lot of activities will be organized.Posters will be designed.Films about environment will be seen.subject(主语)+ will be donework out the rulesubject(主语)+_________ ______ ____________energy, saveEnergy will be saved.will be donewill be doneempty bottles, collectEmpty bottles will be collected.waste, pick upWaste will be picked up.will be donetrees， plantTrees will be planted.will be doneThey are going to send leaflets to people.Leaflets are going to be sent to people.They are going to recommend some books.Some books…are going to be recommended.They are going to give a talk about environment.A talk about environment is going to be given.They are going to give some advice.Some advice is going to be given.Leaflets are going to be sent to people.Some books are going to be recommended.A talk about environment is going to be given.Some advice is going to be given.subject（单数/不可数）+ is going to be donesubject(复数)+are going to be donework out the rulesubject(主语)+_________ ______ ____________Look and sayis/are going to be doneflowers, waterFlowers are going to be watered.is/are going to be doneAn environment show, holdAn environment show is going to be held.Look and sayis/are going to be done parks, clean upParks are going to be cleaned up.Look and sayWill it be held…?Yes,it will/No, it won’t.When will the show be held?It will be held…..presentationWill it be held this Sunday?Will it be organized in three days?Will the waste be reused in the future?一般疑问句结构：_____ +subject+ ______ _____? Will be doneWhen will it be held?Where will it be organized?How will the shop be built? 疑问词 will be done特殊疑问句结构：_____ +____ +subject+ ___ ____?work out the ruleIs the show going to be held …….?Yes, it is/No, it isn’t.Where is it going to be held?It is going to be held….presentationIs it going to be held this Sunday?Is the advice going to be given in three days?Are the shoes going to be sold here? 疑问词 be going to be done特殊疑问句结构：______+ ___ + subject+ ______ __ __ ____ ?一般疑问句结构：___ +subjec+ _____ ___ ___ ____ ? Be going to be doneWhere is it going to be held?When is the advice going to be given?Why are the shoes going to be thrown away?work out the ruleThe students are talking about Environment Week. Help them make sentences using passive voice.activities / in Environment Week / a lot of / organize / are going to A lot of activities are going to be organized in Environment Week.design / posters / will / by SandyPosters will be designed by Sandy.to all the people / send / leaflets / in the town / will Leaflets will be sent to all the people in the town.are going to / hold /some of the activities / in the town squareSome of the activities are going to be held in the town square.Lisa is telling her cousin Harry about a show that will be held in this Environment Week on the phone. Help Lisa answer Harry’s questions using the passive voice.Lisa: Hi, Harry. There’s going to be an environment show here.Harry: Really? When is the show going to be held?Lisa: (1) ____________________________ ________________ (this Friday evening)Harry: Will the show be held at your school?Lisa: No, (2)_________________________ __________. (at the town hall)Harry: Who will be invited to the show?The show is going to be held this Friday evening.The show will be held at thetown hallLisa: _______________________________ _______________________ (some famous people in our town)Harry: What will be displayed at the show?Lisa: (4)_____________________________ _____________________________ _____________ (videos about the past and present of Sunshine Town)Some famous people in our town will be invited to the show.Videos about the past and present of Sunshine Town will be display at the show.Harry: What will be discussed at the show?Lisa: (5) ____________________________ ____________________________ _________ (ways about how to protect the environment) Ways about how to protect the environment will be discussed at the show.Let’s summarize！We use “will be or _________________+past participle” to form the passive voice in the simple future tense. is/am/are going to bePollutionPollution is one of the biggest problems in the world today. In many places, rubbish (1)___________ (throw) into lakes and rivers, so many of them (2)____________ (pollute). is thrownare polluted Kitty is writing an article about pollution. Help her complete the article using the passive voice.In some cities, the air (3)________ (fill) with pollution. This makes people ill, and more people (4)_____________ (hurt) in the future if it is not cleaned up.As well as people, animals (5)___________ (harm) by pollution. Land and water pollution kills many animals every year. If we do not act to improve the environment, is filledwill be hurtare harmedmore living things (6)____________ (kill) by pollution.However, there is some good news. A show (7)___________ (hold) at the town hall this Friday evening. All of us will have a chance to think about the world around us. On that day, we (8)_____________ (show) how to protect the environment.If we work together, we can make the world a better place.will be killedwill be heldwill be shownWorld Environment Day（5，June) is coming.What will be done to protect the environment by you？Let’s discuss!Don’t forget to use passive voice.Interviewer： What will be done?Interviewee: ......Let’s protect the environment together！ 一.用所给动词的正确时态和语态填空。1. The football game ___________ (hold) next month. 2. While many people turn to computer for news and movies, it doesn’t mean that the TV set _____________ (replace) in the near future. 3. Many chances ___________ (lose) if you don’t work hard.4. You __________ (fine) by the police if you keep driving so fast.will be heldwill be replacedwill be lostwill be fined5. The question is going to ____________ (discuss) by us.6. The little girl is so pretty that she ______________ (admire) by all the people when she grows up. 7. Don’t worry about that. It ___________ (finish) next week.8. She ___________ (meet) by her friends as soon as she arrives.9. I hear that more than one million dollars ___________ (spend) on the project next year.be discussedwill be admired will be finishedwill be metwill be spent二.单项选择。1. The young man says that he will leave the company if he ____ for this.will be punished B. would be punished C. is punished D. is going to be punished2. When the repair work ______, more visitors will come to this famous temple. A. is going to finish B. is finished C. will be finished D. finishedCB三、翻译句子1. 没有缺点的朋友是永远找不到的。 2. 这个计划将会在下午的会议上被讨论吗？ 3. 这个会议将会在什么时候、哪里举行呢？ A friend without faults will never be found.Will the plan be discussed at the meeting this afternoon?When and where will the meeting be held?1. Review the contents of this lesson.2. Finish the exercises in the workbook.3. Preview the next lesson.Homework