Unit 2 Wildlife Protection Discovering Useful Structures 课件-2025-2026学年高中英语人教版必修第二册

Discovering Useful Structures Wildlife Protection The structure of present continuous passive voice Lead in Our planet’s wildlife is dying out at an alarming rate. Between 150 and 200 species are becoming extinct every day. African elephants are being hunted. Much is being done to protect wildlife. What is being done to help them? What measures are being taken to help them? What do you know about wildlife protection? Presentation Our planet’s wildlife is dying out at an alarming rate. Between 150 and 200 species are becoming extinct every day. African elephants are being hunted. Much is being done to protect wildlife. What is being done to help them? What measures are being taken to help them? What are the words in red used for? The words in red are used for describe ________________. sth is happening by human being Definition The present continuous passive voice African elephants are being hunted. Human being are hunting African elephants. African elephants are being hunted _______________. 定义：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正在进行中。 Review What is the passive voice？ 语态 主动 被动 “不好了，班主任批人了” “谁要被班主任批了？” 强调动作执行者 强调动作承受者 Review Why we should learn passive voice? 用法 例句 不知道或者不需要知道 动作的执行者 The book was published in 2005. 强调动作的承受者 School will be opened in our town. 当动作的执行者是泛指时 He is suspected of robbing the bank. 表示委婉或礼貌，避免 提及动作执行者时 I have been told many times not to make noises. 句法修饰需要 The book will be written by Joe, who is a young famous writer from France. 某些动词习惯需要使用被动 He was born in this city. Discovery The present continuous passive voice 1. The plan is being discussed at the meeting now. 2. The baby isn’t being taken good care of. 3. Is a new library being put up in their school now? 4. Where are some trees being cut down by workers? Structure The present continuous passive voice Types Structure 肯定句 否定句 一般 疑问句 特殊 疑问句 主语 ＋ be (am, is, are) ＋ being ＋ done 主语 ＋ be (am, is, are) ＋ not ＋ being ＋ done be (am, is, are) ＋ 主语 ＋ being ＋ done 特殊疑问词 ＋ be (am, is, are) ＋ 主语 ＋ being＋done Practices The present continuous passive voice 1. The plan ___________________ this month. 计划本月正在执行。 2. Your computer ______________________ now. 现在没人修理你的电脑。 3. ____ these fields ______________ this week？ 这周有人在给这些地浇水吗？ 4. Where ____ you __________________ now？ 现在你们在哪里接受面试？ is being carried out is not being repaired Are being watered are being interviewed Summary The present continuous passive voice (一)表示说话时正在进行的被动动作, 强调主语是动作的承受者。 常与now, look等词连用。 1. My house is being painted now. 2. Look! The baby is being taken care of by her aunt. 3. Pandas are being protected in Wolong National Reserve. Summary The present continuous passive voice （二）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。 4. Many speeches about Chinese traditional culture are being held these days. 5. A modern school is being built for the students these months. Summary The present continuous passive voice 6. A Christmas party is being held tonight. 7. Some rock music is being played by them next. （三）表示按计划或安排将要进行的一个被动动作。 (四)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)。 8. Tom is always being praised by the teacher. 9. The grain is often being sold for export. Exercises The present continuous passive voice 1. Your experiment report ______________(type) now and it will be finished soon. 2. Many interesting experiments _____________(do) these days. 3. I ________________(treat) at the hospital now，so I cannot go to the cinema at present. 4. Sorry, sir. Your phone isn't ready yet. It _______________ (repair) in the factory. is being typed are being done am being treated is being repaired Exercises The present continuous passive voice 5. Teacher is grading the students' schoolwork now. →The students' schoolwork now. 6. There is good news of the sports meeting being held in the city stadium these days. →There is good news of the sports meeting which ______________ in the city stadium these days. is being graded is being held Attention The passive voice of different tense 1. 不可遗漏being 现在进行时的被动语态中，be为第一助动词，being为第二助动词，缺一不可，且位置不可互换。此结构若缺少being，则就成为一般现在时的被动语态或系表结构。试比较： The report is being written by the best student. 报告正在由一名最好的学生书写中。 The report is well written.这个报告写得很好。(主系表结构) 2. 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。 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。 Attention The passive voice of different tense 3.没有现在进行时的被动语态的动词 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。 The book belongs to him. 这本书是他的 4. “be(am/is/are)＋under/in＋n.” 结构 有时相当于现在进行时的被动语态。 The bridge is in use. = The bridge is being used. 这座桥正在使用。 举例：come, go, stop; belong, contain, include; have, hold等。 Revision The passive voice of different tense The basic structure of passive voice 一般 进行 完成 完成进行 现在 be done be being done have/has been done / 过去 was/were done was/were being done had been done / 将来 will/shall be done / / / 过去将来 would/should be done / / / 时 态 Complement 16 different kinds of tense The basic structure of 16 different tenses 一般 进行 完成 完成进行 现在 do/does be doing have/has done have/has been doing 过去 did was/were doing had done had been doing 将来 will/shall do will/shall be doing will/shall have done will/shall have been doing 过去将来 would/should do would/should be doing would/should have done would/should have been doing 时 态 1. If Bob __________ (offer) a job, is he willing to go to the remote town? 2. A rescue worker risked his life saving two tourists who ____________________ (trap) in the mountains for two days. 3. My washing machine _________________ (repair) this week, so I have to wash my clothes by hand. is offered had been trapped is being repaired Exercises The present continuous passive voice Exercises The present continuous passive voice 4. New art forms ______________ (introduce) at the end of the Qing dynasty. As a result, people lost interest in paper cutting. 5. Most airports _________ (build) far away from downtown, so it often takes passengers quite a long time to arrive. 6. Before you enter the Eiffel Tower, your bags ________________ (check) by a security officer. were introduced are built will be checked 21 Homework Thank you! $$