Unit 2 Period 3 Discovering Useful Structures（课件）英语人教版必修第二册

该高中英语课件聚焦现在进行时的被动语态，通过视频提取被动句导入，先复习被动语态“be+done”构成及“三变三不变”原则，再结合主动变被动练习搭建支架，衔接新旧知识，引导学生逐步掌握新语法点。 其亮点在于融合语言能力与文化意识培养，如Production环节小组用目标语法描述建筑工地、医院场景，Task 2讨论社区动植物保护，渗透环保责任。Assessment设多维度评价表，Homework分基础、中级、高级层次，助力学生分层巩固。教师可借助结构化内容和情境任务，提升教学效率，学生则通过实践运用提升语法准确性与思维逻辑性。

高中英语人教版2019必修第二册 Unit 2 Wildlife Production Discovering Useful Structures Learning objectives Identify and use the present continuous passive voice in sentences to improve language accuracy. Enhance cultural awareness of environmental protection and social responsibility and discuss wildlife protection events. Develop logical and critical thinking skills by exploring and applying grammar in various situations. Independently summarize grammar rules of the present continuous passive voice, and use learning strategies to improve learning efficiency. 目录 CONTENTS Lead In Homework Practice Summary Assessment Production Presentation 3 01 Lead in Write down the sentences containing passive voice in the video. 视频来自网络，若是侵权，请联系删除。 5 She by Athena She beauty by Aphrodite She musical ability by Apollo She speech by Hermes. was clothed was given was given was given Review What do you know about the passive voice? 1. 构成： . 2. 定义：被动语态表示主语是动作的承受者。 e.g. The game (play) by millions of people worldwide. 3. 主动语态变被动语态的原则 “三变”“三不变” 被动语态 be + done is played Review “三变” 一变：原句主语变为by短语 二变：宾语变为主语 三变：谓语由主动变为被动 “三不变” 一不变：原句意思不变 二不变：原句时态不变 三不变：原句主谓宾以外成分不变 The cat chased the mouse yesterday. The mouse was chased by the cat yesterday. Practice A fast-running car hits the dog. The dog by a fast-running car. A fast-running car hit the dog. The dog by a fast-running car. A fast-running car is hitting the dog. The dog by a fast-running car. is hit was hit is being hit 02 Presentation 03 Practice What is being done to help them? I know that they’re being hunted and their habitat is getting smaller ... What measures are being taken to help them? Much is being done to protect wildlife, but if we really want to save the planet, we must change our way of life. 现在进行时的被动语态 1. 含义与构成 句子中的黑体部分为 的被动语态，其构成形式： 。 现在进行时 be (am/is/are) ＋ being ＋ 动词的过去分词 (1) 含义：表示“某人/事此时此刻正在被…”，主语是动作的承受者, 表示说话时或现阶段某个被动的动作 。 (2) 构成：时态和语态结合，先体现 ，后体现 。 现在进行时的被动语态 1. 含义与构成 现在进行时：am/is/are + V-ing 被动语态： be + done (V过去分词) 现在进行时的被动语态：主语 + am/is/are + being + done + (by…) 表进行 表被动 时态 语态 正在进行 现在进行时的被动语态 1. 含义与构成 at the moment. e.g. Our teacher is punishing him at the moment. He is being punished by our teacher 谓语变被动 （时态不变） be + being + done + by “三变” “三不变” 练习 【即学即练】 The water in the lake is being polluted by people now. People are polluting the water in the lake now. 改为被动语态 现在进行时的被动语态的含义与构成 【即学即练】 The flowers are being watered by Alice in the park. Alice is watering the flowers in the park. 改为被动语态 现在进行时的被动语态的含义与构成 【即学即练】 Is this nurse taking care of the babies? 改为被动语态 现在进行时的被动语态的含义与构成 Are the babies being taken care of by this nurse. 【即学即练】 A tiger is hunting after a wild zebra. 改为被动语态 现在进行时的被动语态的含义与构成 A wild zebra is being hunted after by a tiger. 【即学即练】 His father may be scolding him at the very moment. 改为被动语态 现在进行时的被动语态的含义与构成 He may be being scolded by his father at the very moment. 现在进行时的被动语态 2. 基本句式 (1) 肯定句式： Some trees are being cut down in the park. (2) 否定句式： Some trees are not being cut down in the park. (3) 一般疑问句式： Are any trees being cut down in the park? (4) 特殊疑问句式： Where are any trees being cut down? 主语＋am/is/are＋being done ... 主语＋am/is/are＋not being done ... Am/Is/Are ＋主语＋being done ...? 特殊疑问词＋am/is/are (not)＋主语＋being done ...? People are cutting down some trees in the park. 练习 【即学即练】 现在进行时的被动语态的基本句式 The government is building a modern school in the village. ① 改为被动语态 →A modern school is being built by the government in the village. ② 改为否定句 →A modern school isn’t being built by the government in the village. ③ 改为一般疑问句 →Is a modern school being built by the government in the village? ④ 就句中的in the village进行提问 →Where is a modern school being built by the government in the village? 现在进行时的被动语态 3. 基本用法 (1) 表示说话时 的被动动作。句中常用now、right now、look、at present、at the moment等时间状语。 He is being examined by the doctor at the moment. 她现在正在接受医生的检查。 My younger sister is now being interviewed. 我妹妹现在正在接受采访。 正在进行 现在进行时的被动语态 3. 基本用法 (2) 表示 的被动动作(说话时不一定在进行)。 A new factory is being built. 一座新的工厂正在建设中。 These animals are being hunted at such a speed that they will disappear soon. 这些动物正以如此快的速度被猎杀，以至于它们很快就会消失。 现阶段正在进行 现在进行时的被动语态 3. 基本用法 (3) 表示一种 的被动行为，常与frequently、always、constantly、often等词连用，表示赞赏、羡慕、讨厌等感情色彩。 习惯 He is often being admired by other girls. 他经常被别的女孩子倾慕。 I feel very surprised that the window of our classroom is often being broken. 我感到非常吃惊的是我们教室的那扇窗户经常被打破。 现在进行时的被动语态 3. 基本用法 (4) 现在进行时的被动语态有时可表示 的被动动作(此种用法仅限于少数及物动词, 如: hold、take、build、plan等)。 The concert is being held tomorrow evening. 音乐会将于明晚举办。 The event isn’t being taken place as scheduled. 活动未按计划举行。 按计划或安排将要进行 现在进行时的被动语态 3. 基本用法 (5) 与某些情态动词连用，表示对正在发生的动作的 。 The project can’t be being finished today. 项目今天不可能正在被完成。 Jane may be being questioned by the police at the very moment. 简此刻可能正在被警察审问。 推测 练习 【即学即练】 现在进行时的被动语态的基本用法 1. Many new houses ______ in this area this year. The local government has released the plan. A. are building B. are being built C. will be built D. have been built 用法：表示现阶段正在进行的被动动作。 2. At the moment, the dishes ______ by my sister in the kitchen. are washing　　B. are being washed　　 C. were washed　　D. will be washed 用法：表示说话时正在进行的被动动作。 B B 【即学即练】 现在进行时的被动语态的基本用法 3. She ______ by her colleagues for her hard work, which makes her proud. A. is always praised B. is always being praised C. was always praised D. has always praised 用法：表示一种习惯的被动行为，常与always、constantly、often等词连用，表示赞赏、羡慕、讨厌等感情色彩。 4. The package ______ by the courier at the moment. You should check the door. A. might deliver B. might be delivering C. might be delivered D. might be being delivered 用法：与某些情态动词连用，表示对正在发生的动作的推测。 B D 现在进行时的被动语态 4. 注意事项 (1) 不及物动词(短语)、非延续性动词、表示存在意义、所属关系、静态特征的动词以及系动词不用于现在进行时的被动语态，例如： stay、love、have、want、belong to。 e.g. The umbrella is being belonged to him. The umbrella belongs to him. ❎ ✅ 现在进行时的被动语态 4. 注意事项 (2) “be＋under/in等介词＋名词” 结构可用来表示现在进行时的被动语态的含义。 例如： be under investigation (=be being investigated) 正在被调查 be under consideration (=be being considered) 正在被考虑 be under observation (=be being observed) 正在被观察 be under discussion (=be being discussed) 正在被讨论 be under debate (=be being debated) 正在被辩论 be under protection (=be being protected) 正在受到保护 现在进行时的被动语态 4. 注意事项 (3) 不可遗漏介词 take care of，look after，talk about，think of 等动词短语用于现在进行时的被动语态时，其中的介词不可省略。 e.g. Look！The children are being taken care of by their aunt. 瞧！那些孩子正由他们的姨妈照看着。 (4) 不可遗漏being 试比较：The story is being written by the best student. The story is written by the best student. 练习 【即学即练】 现在进行时的被动语态的注意事项 1. Which sentence is grammatically correct? A. The book is being belonged to me. B. She is loving her family deeply. C. The cat stays in the garden now. D. The house is having a big window. 答案：C 2. The plan ______ by the team at the moment. A. is being talked B. is talked about C. is being talked about D. talks about 答案：C 【即学即练】 现在进行时的被动语态的注意事项 选出与主动句同义的选项 1. Workers are repairing the bridge now. A. The bridge is under repair now. B. The bridge is in repair now. C. The bridge is under repairing now. D. The bridge is being under repair now. 答案：A 2. The company is discussing the new plan. A. The new plan is in discussion. B. The new plan is under discussion. C. The new plan is being under discussion. D. The new plan is in discussing. 答案：B 04 Production Task 1: In groups, based on the given scenarios, use the present progressive passive voice to describe the activities in the scenarios and create a complete situational description. e.g. Now, a new high - rise building is being constructed at this site. Workers are busy, and the walls are being built. The materials are constantly being transported, and the whole construction site is full of vitality…… Construction site operations Cleaning activities e.g. Right now, the house is being cleaned …… Hospital operating room e.g. In the operating room, a critical surgery is being performed. …… Task 2: In groups, discuss the questions below. Prepare to give a presentation of your ideas to the class. What do you know is being done in your neighborhood to protect animals and plants? What suggestions do you have? A series of trees and flowers are being planted in the public areas of the neighborhood, such as parks and along the roads. Garbage bins are being placed in more reasonable positions to prevent animals from being harmed by eating or being trapped in garbage. 05 Summary 现在进行时的被动语态 含义 现在进行时的被动语态表示现在或现阶段正在进行或发生的被动动作 构成 be (am/is/are) ＋being＋动词的过去分词 句式 肯定句式：主语＋am/is/are＋being done ... 否定句式：主语＋am/is/are＋not being done ... 一般疑问句式：Am/Is/Are (not)＋主语＋being done ...? 特殊疑问句式：特殊疑问词＋am/is/are (not)＋主语＋being done ...? 用法 注意 37 用法 表示说话时正在进行的被动动作。 表示现阶段正在进行的被动动作。 表示一种习惯的被动行为。 表示对正在发生的动作的推测。 表示对正在发生的动作的推测。 注意 不可遗漏介词。 不可遗漏being。 不用于现在进行时的被动语态的动词。 “be＋under/in等介词＋名词”结构可用来表示现在进行时的被动语态的含义。 38 06 Assessment Evaluation Dimension Criteria Self-Evaluation Comprehension Master the structure, formation rules, and transformation logic between active and passive voices in the present progressive passive voice. Sentence Transformation Skillfully convert active sentences to present progressive passive sentences and vice versa. Sentence Writing Independently write grammatically correct and semantically sound sentences using the present progressive passive voice. Oral Expression Use the present progressive passive voice naturally and fluently in conversations. Reflection & Summary Regularly summarize learning difficulties, propose improvement plans, and implement them effectively. Rate yourself on a scale of 1 to 5 (1 = Poor, 5 = Excellent). 07 Homework Basic Level Intermediate Level Advanced Level Watch a 2-minute video clip (e.g., a cooking show or news report) and list 5 present continuous passive voice sentences from it. Write a short story (5-8 sentences) set in a wildlife reserve, using at least 3 present continuous passive voice sentences to describe actions. Collaborate in pairs to create a role-play scenario where all dialogues must use the present continuous passive voice to describe clues. 谢谢聆听 Lavf58.20.100 Packed by Bilibili XCoder v2.0.2 $潘多拉魔盒，人们总说不要打开潘多拉的盒子，可是潘多拉是谁？盒子里有什么？为啥不能打开？这要从希腊神话说起。古希腊诗人赫西俄德、米歇尔在worker death中讲述了潘多拉的故事。据说普罗米修斯从天上偷到了火种，造福人间之后，天神宙斯非常生气，决定报复人类。他命令火神赫菲斯托斯和fest用水和泥土创造一个女人，然后这个女人被雅典娜女神披上了花类的衣服。SHE was closed by athina, 为爱神阿芙罗狄特赐予了美貌。SHE was given beauty by afraid I被阿波罗赐予了音乐天赋。SHE was given musical ability by Apollo, 又被众神的使者赫尔墨斯赋予了语言和口才。SHE was give a speech by harms, 最终他被命名为panda。这个名字的意思是archived或者or giving，因为奥林匹斯山的众神都赐予了她礼物或天赋。Pandora是世界上的第一个女人，宙斯把她送到了普罗米修斯的弟弟apple mythus身边。普罗米修斯告诫弟弟不要接受宙斯的任何合理，但弟弟还是接受潘多拉。潘多拉打开了他带来的小罐子，里面装有的疾病、痛苦、贪婪的罪恶之物被放了出来，只剩下希望还留在罐子之中。故事流传的过程中，扎尔被误传成了box。于是现在人们用open panda box来表示看似微不足道的行为，会造成严重的灾难。SHE was given argives by the gods. 潘多拉被众神赐予了各种天赋，表达被动的含义，要用be动词加过去分词with them被谁给予的，用败加动作的发出者，这就是英语中的被动语态。