Unit 2 Period 3 Discovering Useful Structures（导学案）英语人教版2019必修第二册

Unit 2 Wildlife Protection Period 3 Discovering Useful Structures（导学案）原卷版 【学习目标】 1.Identify and use the present continuous passive voice in sentences to improve language accuracy. 2.Enhance cultural awareness of environmental protection and social responsibility and discuss wildlife protection events. 3.Develop logical and critical thinking skills by exploring and applying grammar in various situations. 4.Independently summarize grammar rules of the present continuous passive voice, and use learning strategies to improve learning efficiency. 【学习重难点】 （一）学习重点 1.掌握现在进行时被动语态的核心构成：am/is/are + being + 动词过去分词。 2.理解其四大基本用法：① 说话时正在进行的被动动作；② 现阶段正在进行的被动动作；③ 表习惯且带感情色彩的被动动作；④ 与情态动词连用表推测。 3.熟练完成主动句与现在进行时被动句的转换（如 People are polluting the lake → The lake is being polluted by people）。 （二）学习难点 1.避免语法错误：① 遗漏 “being”（如误写为 The tree is cut down 而非 The tree is being cut down）；② 忽略动词短语中的介词（如 take care of 变被动时不可省略 “of”，即 The baby is being taken care of）。 2.区分 “现在进行时被动语态” 与 “一般现在时被动语态”（如 The house is built 表常态，The house is being built 表正在进行）。 3.识别 “不用于现在进行时被动语态” 的动词（如 belong to, love, have 等静态动词）。 【预习清单】 一、单词拼写 (1)___________ v. 保护 (2)___________ v. 建造 (3)___________ v. 污染 (4)___________ v. 采访；面试 (5)___________ v. 讨论 二、短语翻译 (1)be taken care of ______________ (2)be under protection ______________ (3)be being polluted ______________ (4)be discussed ______________ (5)be built ______________ 三、句子转换 主动句：People are planting trees in the park now. 被动句：________________________________（提示：现在进行时被动） 主动句：The nurse is looking after the baby. 被动句：________________________________（提示：注意动词短语中的介词） 主动句：Workers are repairing the bridge these days. 被动句：________________________________（提示：表 “现阶段正在进行”）【学习过程】 一、Presentation 1. 含义与构成 (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 。 2.基本句式 (1) 肯定句式： (2) 否定句式： (3) 一般疑问句式： (4) 特殊疑问句式： 2.基本句式 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。 (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。 (3) 不可遗漏介词 (4) 不可遗漏being 二、Production 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. 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? 3、 Summary 四、自我评价 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. 五、作业内容 Basic 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. Intermediate Level Write a short story (5-8 sentences) set in a wildlife reserve, using at least 3 present continuous passive voice sentences to describe actions. Advanced Level Collaborate in pairs to create a role-play scenario where all dialogues must use the present continuous passive voice to describe clues. 1 / 7 学科网（北京）股份有限公司 $ Unit 2 Wildlife Protection Period 3 Discovering Useful Structures（导学案）解析版 【学习目标】 1.Identify and use the present continuous passive voice in sentences to improve language accuracy. 2.Enhance cultural awareness of environmental protection and social responsibility and discuss wildlife protection events. 3.Develop logical and critical thinking skills by exploring and applying grammar in various situations. 4.Independently summarize grammar rules of the present continuous passive voice, and use learning strategies to improve learning efficiency. 【学习重难点】 （一）学习重点 1.掌握现在进行时被动语态的核心构成：am/is/are + being + 动词过去分词。 2.理解其四大基本用法：① 说话时正在进行的被动动作；② 现阶段正在进行的被动动作；③ 表习惯且带感情色彩的被动动作；④ 与情态动词连用表推测。 3.熟练完成主动句与现在进行时被动句的转换（如 People are polluting the lake → The lake is being polluted by people）。 （二）学习难点 1.避免语法错误：① 遗漏 “being”（如误写为 The tree is cut down 而非 The tree is being cut down）；② 忽略动词短语中的介词（如 take care of 变被动时不可省略 “of”，即 The baby is being taken care of）。 2.区分 “现在进行时被动语态” 与 “一般现在时被动语态”（如 The house is built 表常态，The house is being built 表正在进行）。 3.识别 “不用于现在进行时被动语态” 的动词（如 belong to, love, have 等静态动词）。 【预习清单】 一、单词拼写 (1)___________ v. 保护 (2)___________ v. 建造 (3)___________ v. 污染 (4)___________ v. 采访；面试 (5)___________ v. 讨论 二、短语翻译 (1)be taken care of ______________ (2)be under protection ______________ (3)be being polluted ______________ (4)be discussed ______________ (5)be built ______________ 三、句子转换 主动句：People are planting trees in the park now. 被动句：________________________________（提示：现在进行时被动） 主动句：The nurse is looking after the baby. 被动句：________________________________（提示：注意动词短语中的介词） 主动句：Workers are repairing the bridge these days. 被动句：________________________________（提示：表 “现阶段正在进行”） 【答案】 一、单词拼写 1. protect 2. build 3. pollute 4. interview 5. discuss 二、短语翻译 1. 被照顾 2. 正受到保护（表现在进行时被动含义） 3. 正被污染 4. 被讨论（一般现在时被动） 5. 被建造（一般现在时被动） 三、句子转换 1. Trees are being planted in the park now (by people). 2. The baby is being looked after by the nurse. 3. The bridge is being repaired by workers these days. 【学习过程】 一、Presentation 1. 含义与构成 (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 。 【答案】 正在进行；时态、语态 be (am/is/are) ＋ being ＋ 动词的过去分词（"be (am/is/are) + being + past participle of the verb"）。 2.基本句式 (1) 肯定句式： (2) 否定句式： (3) 一般疑问句式： (4) 特殊疑问句式： 【答案】 肯定句式：主语＋am/is/are＋being done ...（Subject + am/is/are + being done ...）。 否定句式：主语＋am/is/are＋not being done ...（Subject + am/is/are + not being done ...）。 一般疑问句式：Am/Is/Are (not)＋主语＋being done ...?（Am/Is/Are (not) + Subject + being done ...?）。 特殊疑问句式：特殊疑问词＋am/is/are (not)＋主语＋being done ...?（Special interrogative word + am/is/are (not) + Subject + being done ...?）。 2.基本句式 【答案】 (1)表示说话时正在进行的被动动作 (2)表示现阶段正在进行的被动动作 (3)表示一种习惯的被动行为 (4)表示按计划或安排将要进行的被动动作 (5)与某些情态动词连用，表示对正在发生的动作的推测 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。 (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。 (3) 不可遗漏介词 (4) 不可遗漏being 二、Production 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. 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? 【答案】 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. 3、 Summary 四、自我评价 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. 五、作业内容 Basic 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. Intermediate Level Write a short story (5-8 sentences) set in a wildlife reserve, using at least 3 present continuous passive voice sentences to describe actions. Advanced Level Collaborate in pairs to create a role-play scenario where all dialogues must use the present continuous passive voice to describe clues. 1 / 7 学科网（北京）股份有限公司 $