Unit 2 Section Ⅲ Discovering Useful Structures-(配套课件)【精讲精练】2025-2026学年高中英语必修第二册(人教版)

该高中英语课件聚焦“现在进行时的被动语态”，结合“人与自然之野生动物保护”主题导入，通过定义、构成、用法（现在/现阶段进行、计划安排、情态动词推测等）及注意事项（短语动词介词不可省略、状态动词不用于进行时）构建递进式学习支架。 其亮点在于紧扣“野生动物保护”主题语境，例句（如“湖水未被保护”“森林正在被砍伐”）渗透环保意识，体现文化意识；语法与核心词汇（reduce, due）结合提升语言能力，多样练习（单句填空、句型转换）培养思维品质。学生能在主题中掌握语法，教师可系统教学提高效率。

UNIT 2　WILDLIFE PROTECTION 主题语境——人与自然之动植物保护 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION Section Ⅲ　Discovering Useful Structures 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 目 录 01 CONTENTS 04 语法精讲·技能培养 课时作业·知能达标 02 核心知识·关键能力 03 随堂演练·巩固提升 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 语法精讲·技能培养 01 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION is being held is being repaired Who is being trained 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION is being learned being praised is being repaired is being discussed 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION are being planted are being stolen is being polluted is being repaired is developing 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 核心知识·关键能力 02 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION to reduction has been reduced to less than 1，000 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION to to be held due to my English teacher's generous help 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 随堂演练·巩固提升 03 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION is being repaired is being served is being examined is being sounded 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION is being questioned is under repair can't be being repaired 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 课时作业·知能达标 04 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 谢谢观看 返回目录 英语·必修 第二册(配RJ版) 1 UNIT 2　WILDLIFE PROTECTION 现在进行时的被动语态 一、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，主语是动作的承受者。 二、结构 肯定式 be (am/is/are)＋being done 否定式 be (am/is/are)＋not＋being done 一般疑问式 be (am/is/are)＋主语＋being done 特殊疑问式 疑问词＋be (am/is/are)＋主语＋being done Many interesting experiments are being carried out these days. 这些天许多有趣的实验正在进行着。 It is reported that the water in the lake is not being protected now. 据报道，这个湖里的水现在没有得到保护。 The two­week art exhibition is being held in our gym. 为期两周的艺术展正在我们的体育馆举办。 →Is the two­week art exhibition being held in our gym? (一般疑问句) →Where is the two­week art exhibition being held？(特殊疑问句) [即时训练1]　单句语法填空/完成句子 ①An exhibition of students' traditional Chinese paintings _____________ (hold) by our school now, which will promote a growing love for traditional art. ②My car _________________(repair) in the garage this week, so I have to take the subway to go home. ③谁正在为即将到来的英语演讲比赛接受训练？ ____________________ for the coming English speech contest? 三、用法 1．表示说话时正在进行的被动动作，常与now，at the moment，look等词连用。 Look! The goods are being delivered by these smart robots. 看！这些货物正由这些智能机器人运送。 2．表示现阶段正在进行的被动动作，但此动作不一定在此时此刻发生。 Forests are being cut down to make way for crops or farm animals, especially in less developed countries. 森林砍伐是为了种植庄稼或饲养家畜，特别是在欠发达国家。 3．表示按计划主语将要承受的某个动作。 A lecture about how to deal with pressure is being given tonight. 今晚将有一场关于如何应对压力的讲座。 4．表示经常的被动行为，常和always，often，constantly等词连用(表示某种感情色彩)。 Although Tom is an average student, he is always being praised by his teacher for his diligence. 虽然汤姆是一名普通的学生，但他总是因为勤奋而受到老师的表扬。 5．与某些情态动词连用，表示推测。 —Do you know what Smith is doing? —He is ill. He may be being examined by the doctor. ——你知道史密斯在做什么吗？ ——他生病了。他可能正在接受医生的检查。 [即时训练2]　单句语法填空 ①For most of the students in my class, the grammar which ________________ (learn) now is easy to master. ②The young player has made great progress recently and is always _____________ (praise) by his coach. ③Their washing machine _________________ (repair) this week, so they have to wash their clothes by hand. ④The question about where the factory is going to be built __________________ (discuss) at the moment. 四、使用现在进行时的被动语态时应注意的问题 1．在现在进行时的被动语态中，be(am/is/are)为第一助动词，being为第二助动词，缺一不可，且位置不可互换。 The report is being written by one of the best students. 报告正由最好的学生之一写着。 2．take care of、look after、talk about、think of等动词与介词构成的短语用于现在进行时的被动语态时，其中的介词不可省略。 The ways to stop illegally hunting are being talked about. 阻止非法捕猎的方法正在讨论中。 3．“be (am/is/are)＋under/in＋名词”有时可相当于现在进行时的被动语态。 The bridge is under construction. ＝The bridge is being constructed. 那座桥正在建设中。 4．一些表示状态、心理活动、拥有、存在的动词，如stay、love、have、want等，一般不用于进行时，因而也没有进行时的被动语态，而常用一般现在时的被动语态，表示此刻或目前主语正承受的动作。 The runaway of the traffic accident is wanted by the police. 这起交通事故的逃逸者正在被警方通缉。 [即时训练3]　单句语法填空 ①Some trees _________________ (plant) on the hill at present. ②I feel very puzzled that the goods in our shop ________________(steal). (读后续写之心理描写) ③The ocean _________________ (pollute) by a lot of rubbish that causes animals' deaths. ④My digital camera _________________(repair), so I can't use it now. ⑤Nowadays science and technology _____________(develop) so rapidly that people can hardly catch up with its pace. (1)reduce sth to...　把……减少到…… reduce sth by... 把……减少了…… reduce...from...to... 把……从……减少到…… (2)reduction n. 减少；减小 [经典佳句]　In my everyday life, I spare no efforts to reduce my carbon footprint on the planet. 在日常生活中，我努力减少在地球上的碳足迹。 [即时训练]　单句语法填空/完成句子 ①By taking exercise every day, I have reduced my weight from 65 kilos __ 50 kilos. ②As is known to all，using clean energy plays an important role in pollution __________(reduce). ③这种老虎的数量已经减少到不足1 000只， 因此，让我们呼吁人们采取措施阻止它们灭绝。 The number of this kind of tigers ____________________________________，so let's call on people to take measures to stop them from dying out. be due to　　由于，归功于…… be due to do sth 预定/计划(做)某事 [经典佳句]　Due to the rapid development of technology, online learning has become more and more popular. 由于技术的快速发展，在线学习变得越来越流行。 [即时训练]　单句语法填空/完成句子 ①My final success is due __ my mother，who always supports and encourages me. ②I am writing to invite you to take part in a volleyball match which is due ___________(hold) next month. ③由于我的英语老师的慷慨帮助，我在英语口语方面取得了进步。(应用文之感谢信) I have made progress in my spoken English ____________________________ _____________. 指津：表示“由于，因为”的短语还有：because of, thanks to, as a result of等。 Ⅰ.单句语法填空 1．I don't know what time it is now. My watch _________________ (repair). 2．I will go downstairs to have dinner. It _______________ (serve) now in the dining room. 3．The patient _________________ (examine) now. He will come out soon. 4．The alarm ________________(sound)；something urgent is happening. Ⅱ.句型转换/完成句子 1．The police have arrested a young man and they are questioning him now. →A young man has been arrested and ___________________ by the police now. 2．We have to take another road because this road is being repaired. →We have to take another road because this road _______________． 3．洗衣机不可能正在被修理，因为它正在工作中。 The washing machine _______________________ because it is working now. $