人教版九年级英语Unit13 We27re trying to save the earth . S
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九年级英语Unit13 《 We27re trying to save the earth!》知识点4 如果句子里面没有时间状语,汉语意思能够加“已经”,往往用现在完成时态。
Have you lost your library book?你已经弄丢了从图书馆借的那本书吗?5现在完成时态还常常用于下列句型They have planted many trees in the last/past few years.This is the best book I have ever read.在现在完成时中,一次性动词不能和一段时间状语连用例: He has bought the book for 3 years.(错)因 buy 这个一次性动词不能和一段时间for 3 years连用,改正的办法有:He has bought the book.(去掉一段时间for 3 years)He bought the book 3 years ago(改为一般过去时, 使句子的意思不变) It ’ s/It has been 3 years since he bo ught the book. = 3 years has passed since he bought the book.(改为固定句型It is/It has been --- since--- )He has had the book for 3 years.(用延续性动词have 代替 buy )另外①(错)改为: I have been here for 3 years.②leave/go →be awa yHe has left for 3 hours.(错)改为: He has been away for 3 hours.③ begin/start→be onThe film has begun for 3 minutes.(错)改为: The film has been on for 3 minutes.④ open →be open / close→ be closedThe shop has opened for 3 years.(错)改为: The shop has been open for 3 years.⑤ die→be deadHis father has died for 3 years.(错)改为: His father has been dead for 3 years.⑥ finish/end→ be overHe has finished the work for 3 days.(错)改为: The work has been over for 3 days⑦ join I have joined the army for 3 years.(错)改为: I have been in the army for 3 years.或I have been a soldier for 3 years.⑧ buy /catch→ haveI have bought the bike for 3 years.(错)改为: I have had the bike for 3 years.He has caught a cold for 3 days.(错)改为: He has had a cold for 3 days.⑨borrow → keepI have borrowed the book for 3 years.(错)改为: I have kept the book for 3 years.还有其它的归纳如下:5.情态动词1)情态动词本身有一定的词义 ,表示说话人的情绪、态度或语气 ,但不能单独作谓语 ,只能与其他动词构成谓语。
人教版英语九年级全册Unit 13We're trying to save the earth! SectionB (2a-2e)教案人教版九年级全册Unit 13 We're trying to save the earth! Section B (2a-2e)教案I. Objectives:By the end of this lesson, students will be able to:Discuss environmental issues and solutions in English.Provide suggestions for saving the earth.Understand the use of passive voice in the context of environmental problems.II. Materials:Student textbook: Unit 13 “We’re trying to save the earth!” Section B. Whiteboard or blackboard and markers/chalk.Pictures or videos related to environmental problems.III. Procedure:Warm-up:Begin the class by showing pictures or videos related to environmental problems such as air pollution, deforestation, or plastic waste.Ask students to name the environmental problems they see and discusstheir causes and potential solutions as a class.Presentation:Introduce the topic of the lesson: environmental problems and solutions. Review the vocabulary related to the environment and add any necessary new vocabulary on the board.Discuss the use of passive voice in talking about environmental issues. Practice: (15 minutes)a. Activity 1: Vocabulary ReviewHave students work in pairs or small groups to match the vocabulary words with their definitions or examples. Use flashcards or a worksheet for this activity.b. Activity 2: Group DiscussionDivide the class into groups of four or five.Provide each group with a list of environmental problems (air pollution, water pollution, deforestation, etc.).Ask each group to discuss the causes and effects of the assigned problem and brainstorm possible solutions.Encourage students to use the passive voice when discussing the problems and solutions.Production:Hand out Worksheet 2a from the textbook to each student.Instruct students to complete the sentences using the correct passiveforms of the verbs in brackets.Allow students to work individually or in pairs to complete the task. Review the answers as a class and provide feedback.Consolidation:Conduct a class discussion and ask students to share their suggestions on how they can contribute to saving the earth.Encourage students to provide specific actions they can take individually or as a group.Summarize the key points discussed in the class and emphasize the importance of everyone’s efforts in saving the earth.Wrap-up:Assign Homework: Ask students to write a short paragraph about one environmental problem they are most concerned about and one solution they suggest.Recap the main points of the lesson and remind students to complete their homework.Assessment:Assess students based on their participation in group discussions, completion of the worksheet, and the quality of their homework assignment.Role Play:Divide the class into pairs or small groups.Assign each group a scenario related to an environmental problem (e.g., a discussion between a factory owner and an environmentalist, or a debate between two friends about the use of single-use plastics). Instruct students to prepare and perform a role play based on their assigned scenario.Encourage students to use the passive voice and express different perspectives on the issue.Research Project:Assign each student or group a specific environmental problem to research.Instruct students to gather information, statistics, and examples related to the problem.Ask students to create a presentation or poster to share their findings with the class.Provide time for students to present their research and discuss possible solutions.Writing Task:Ask students to write a persuasive letter to a local government official, addressing an environmental problem in their community.Instruct students to explain the issue, its impact, and propose specific actions or policies that can help solve the problem.Encourage students to use persuasive language and provide evidence tosupport their arguments.Homework:Review the vocabulary words related to the environment.Research and write a short essay on one global environmental issue, its causes, and its potential impact on the world. Includesuggestions for how individuals and governments can address the issue.。
人教版英语九年级Unit 13《We’re trying to save the earth》全单元说课稿一. 教材分析人教版英语九年级Unit 13《We’re trying to save the earth》全单元主要围绕环保主题展开,通过学习本单元,学生能够掌握与环保相关的词汇和表达方式,了解人们为保护地球所采取的行动,提高环保意识。
本单元包括两个阅读文本,分别是关于地球一小时活动和一位美国学生的环保故事。
通过阅读和实践活动,学生能够提高阅读理解能力,培养运用英语进行交流的能力。
二. 学情分析九年级的学生已经具备了一定的英语基础,能够理解和运用一些基本的英语表达。
但他们在阅读理解,尤其是对于长篇阅读材料的理解上还存在一定的困难。
此外,学生对于环保主题的认识和关注程度不同,因此在教学过程中需要引导学生深入思考,提高他们的环保意识。
三. 说教学目标1.知识目标:学生能够掌握本单元的重点词汇和表达方式,理解阅读文本的内容。
2.能力目标:学生能够运用英语进行阅读理解,提高阅读能力;能够运用所学知识进行交流和讨论。
3.情感目标:学生能够增强环保意识,认识到保护地球的重要性。
四. 说教学重难点1.重点:本单元的重点是让学生掌握与环保相关的词汇和表达方式,提高阅读理解能力。
2.难点:学生对于阅读文本的理解和运用所学知识进行交流和讨论。
五. 说教学方法与手段1.教学方法:采用任务型教学法,引导学生通过阅读、讨论、实践活动等方式,提高英语运用能力。
2.教学手段:利用多媒体教学设备,展示相关图片和视频,帮助学生更好地理解文本内容。
六. 说教学过程1.导入:通过展示地球环境的图片,引导学生思考环保问题,激发学生的学习兴趣。
2.阅读理解:学生自主阅读文本,回答相关问题,教师进行讲解和指导。
3.小组讨论:学生分组讨论,分享各自的观点和感受,教师进行巡回指导。
4.实践活动:学生根据所学内容,进行角色扮演或写作练习,教师进行评价和指导。
九年级Unit13 We’re trying to save the earth第二课时(3a-3b)九年级英语Unit13 We’ re trying to save the earth第二课时(3a-3b)教学目标知识与技能1.Master the key words.2.To talk about pollution and environmental protection.3.Improve students’rea ding and comprehensive skills.过程与方法1. Lean the target language by reading a passage about protecting animals.2.Autonomous and cooperative approach.情感态度与价值观Be aware of the importance of reducing pollution and protecting animals. 重难点1.Master the key words and phrase.2.Improve students’ reading and comprehensive skills.教学过程Step1. Warm up1.GreetingsTeacher says: A new term has begun already, we are back to busy school life again. You have to do a lot of homework and study for kinds of tests. You are stressed out, so you should learn to relax and not put too much pressure on yourselves. How do you relax? When the students answer: I listen to music to relax, teacher shows them a video of a singer, lead to the new phrase: “not only…but also”.Step2. Presentation1.lead in.1)Show some pictures of animals to the students,and let them master some basic knowledge about animals.2)Ask students to answer the following questions in the form of competition.2.Teach activity 3a.First, tell students in this class we will learn how to talk about protecting animals.Give students several minutes to read the passage individually.Then, invite three students to read the article to the class.Invite some students to answer the questions to check the work.List some difficult language points on the blackboard and analysis them. Step3.PracticeTeach activity 3b.First,lead students to read the instruction to know how to do this activity. Ask students to have a quick look at the words in the box.Encourage volunteers to explain the meaning of each word.Then, give them several minutes to complete the sentences using those words individually.As they work, move around the room checking the progress.Later invite five students to check the answers.Answers:1. When 2.so 3.but 4.Although 5. IfAsk students into groups to talk about some methods to protect them. Step4 SummaryIn this period,we mainly learned to talk about endangered animals and how to protect them through a reading material. Meanwhile, we also learned some key words and structures.Step5 Homework1.Finish the exercises in the workbook.\2.Preview the next period.板书设计教学反思在本节课教学过程中,我发现学生对这个话题很感兴趣,但由于教材设计的局限性,不能直观的观察动物,学生还不能完全体会到保护动物的重要性,因此还需要尽可能地多采用多媒体设备进行教学。