Unit 3 Section Ⅲ Discovering Useful Structures(课件PPT)-【状元桥·优质课堂】2024-2025学年高中英语必修第二册（人教版2019）

THE INTERNET UNIT 3 Section Ⅲ　Discovering Useful Structures 语法慧学·提升语言能力 目 录 Contents 课时作业(六) 语基输入·助力语言输出 语法慧学·提升语言能力 has been written have been helped 返回目录 　 英语　必修　第二册 has been taken been removed been solved have been built 返回目录 　 英语　必修　第二册 现在完成时的被动语态 肯定 否定 一般疑问 特殊疑问 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 has always been praised has been found 返回目录 　 英语　必修　第二册 hasn't been decided 返回目录 　 英语　必修　第二册 has been finished has been used 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 have been used has been cut has been made 返回目录 　 英语　必修　第二册 have been found has been regarded have been founded has been broken 返回目录 　 英语　必修　第二册 were made have been taken has been passed 返回目录 　 英语　必修　第二册 have been sent has been bought 返回目录 　 英语　必修　第二册 have been given away has been chosen 返回目录 　 英语　必修　第二册 haven't been told has been used 返回目录 　 英语　必修　第二册 hasn't been repaired am downloading 返回目录 　 英语　必修　第二册 hasn't been updated will be uploaded 返回目录 　 英语　必修　第二册 have been written 返回目录 　 英语　必修　第二册 语基输入·助力语言输出 1 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 confirmation in have confirmed 返回目录 　 英语　必修　第二册 confirmed her sadness It has been confirmed that 返回目录 　 英语　必修　第二册 2 vt.压 返回目录 　 英语　必修　第二册 vt.按 vt.敦促 n．新闻界 返回目录 　 英语　必修　第二册 返回目录 　 英语　必修　第二册 against/to on pressure 返回目录 　 英语　必修　第二册 under great pressure 返回目录 　 英语　必修　第二册 制 作 者：状元桥 适用对象：高中学生 制作软件：Powerpoint2010、 Photoshop cs3 运行环境：WindowsXP以上操作系统 现在完成时的被动语态 用动词的适当形式填空 1．(教材P28)Much ____________________(write) about the wonders of the World Wide Web. 2．(教材P28)Many people ____________________(help) by the club. 3．The child __________________(take) care of by grandma all these years. 4．The ink has not ________________(remove) from the clothes. 5．Haven't your problem _______________(solve)? 6．How many buildings ___________________(build) in your school? [自我感知] (1)以上例句中都使用了________________________。 (2)以上例句中第1,2,3句是该时态的______句式；第4句是______句式；第5句是_____________句式；第6句是_____________句式。 一、现在完成时的被动语态的结构 肯定式 主语＋have/has been done… 否定式 主语＋have/has not been done… 一般疑问式 Have/Has＋主语＋been done…？ 特殊疑问式 疑问词＋have/has＋主语＋been done…？ ►He has been selected to take part in the sports meeting.他已被挑选出来参加运动会。 ►They haven't been told the exciting news yet, have they？他们还没有被告知这个令人兴奋的消息，是吗？ ►Has the date for the next meeting been decided? 下次会议的日期已确定了吗？ ►How long has the battery not been changed? 电池多久没有更换了？ [即时训练1]——句型转换 The children have already been told the good news. (1)将上面的句子变为否定句。 ______________________________________________ (2)将上面的句子变为一般疑问句。 ______________________________________________ (3)对上面句子中的The children进行提问。 ________________________________________ The children haven't been told the good news yet. Have the children been told the good news yet？ Who has been told the good news yet？ 二、现在完成时的被动语态的用法 1．现在完成时的被动语态同它的主动语态一样，强调过去的动作对现在造成的影响或结果，通常与already, yet, just, never, recently等副词连用。 ►The machine has already been repaired. 机器已经修好了。 2．表示一个被动的动作或状态开始于过去，持续到现在，并可能持续下去，常与for或since引导的时间状语连用，或用于“How long…？”句型中。 ►Financial problems of the company have been discussed for nearly two hours. 公司的财务问题已被讨论了近两个小时了。 ►How long has this film been shown? 这部电影已放映多长时间了？ 3．用在时间或条件状语从句中，表示将来某时已完成的动作，即用现在完成时的被动语态代替将来完成时的被动语态。 ►You shouldn't leave school before your homework has been finished. 在你的作业完成之前你不应该离开学校。 [提示]常与现在完成时连用的时间状语有：already(已经), yet(已经), recently/lately(最近), since then(从那时起), ever since(自那以来), ever(曾经), so far(迄今为止), by now(到现在为止), for a long time(很长一段时间), in recent years(在最近几年里), in/during/over the past/last years(在过去的几年里)。 [即时训练2] (1)用现在完成时的被动语态改写句子 ①Jack's boss has always praised him for his devotion to work. →Jack ___________________________ by his boss for his devotion to work. ②They have found a good place to build a temple in the village. →A good place __________________ to build a temple in the village. ③We haven't yet decided how to solve that difficult technological problem. →How to solve that difficult technological problem _______________________ yet. (2)补全句子 ①当我的家庭作业完成时我就回家。 I will go home when my homework ________________. ②纸币已被使用了1 000多年了。 Paper money _________________ for over one thousand years. 三、现在完成时的被动语态的注意事项 1．只带有一个宾语的动词变为被动语态时，将主动语态的宾语变为被动语态的主语。 ►His boss has already punished him. →He has already been punished (by his boss)． 2．带有双宾语的动词，如give, send, bring, take, teach, show, tell, make, sing, write, read, sell, buy, pay, lend, pass, promise等，变为被动语态时，一般将间接宾语变为被动语态的主语，若将直接宾语变为被动语态的主语时，间接宾语前面要用相应的介词。 ►He gave the little girl an apple. →The little girl was given an apple (by him)． →An apple was given to the little girl (by him)． An email has been sent to me [即时训练3]——将下面句子变为被动语态 (1)I have asked her to help you. →__________________________________. (2)We have planted many trees on the hill in the last 5 years. →_________________________________________________________________. (3)He has sent me an email. →_____________________________. →________________________________. She has been asked to help you Many trees have been planted on the hill in the last 5 years I have been sent an email Ⅰ.单句语法填空 1．Computers __________________(use) in offices and homes since 1970s. 2．In my hometown, there is always a harvest supper for the farmers after all the wheat ________________(cut)． 3．Computer science, with which rapid progress _________________(make) in recent years, plays a very important part in our daily life. 4．Up to now, more than five new species __________ _________(find) on this island by researchers. 5．Black Friday _____________________(regard) as the beginning of the holiday shopping season for years. 6．Since the early 1990s, a lot of clinics ___________ __________(found) in this country to treat poor people for free. 7．The balance between the city and the country ___________________(break) by the industrial development over the past two centuries. 8．Some efforts _____________(make) to improve the air quality in the city last winter. 9．Over the past three years, the paintings ___________ ________(take) to more than 20 museums in the world. 10．For centuries, the ancient language ______________ (pass) on from one generation to another. Ⅱ.句型转换 1．We have sent some rockets to space to explore the Moon and Mars. →Some rockets __________________ to space by us to explore the Moon and Mars. 2．Robert has bought an iPhone using his own money. →An iPhone ___________________ by Robert using his own money. 3．The famous company has given the computers away to those high schools. →The computers ________________________ to those high schools by the famous company. 4．The local government has chosen the university to organise the training course. →The university ___________________ by the local government to organise the training course. 5．They haven't told me that the meeting will be put off until next Friday. →I _____________________ that the meeting will be put off until next Friday. 6．People use bamboo in many different ways for thousands of years. →Bamboo _________________ in many different ways for thousands of years. Ⅲ.阅读对话，根据括号内的提示补全对话 A：May I use your computer？My computer broke down yesterday.It doesn't work now. B：Certainly.My computer works well.It 1.____________ ____________(从来没被修理过) since I bought it last year.However, please wait for about half an hour. A：What are you doing on the computer? B：I 2.__________________(正在下载) a movie now. A：OK.My blog 3._______________________(没更新) so far, and many fans are waiting for my article. B：What are you going to write this time? A：I am going to write an article about my experience of traveling in Nepal. B：Wonderful！I'm looking forward to it. A：My articles as well as some pictures 4.___________ _________(将被上传)． B：Two articles about Nepal 5._____________________ (被写) by you in the past five years.You have been there three times. A：You have a good memory.Nepal is one of the countries that have left me a deep impression. (教材P30)Have you confirmed the Wi-Fi password? 你确认Wi-Fi密码了吗？ confirm　vt.确认；使确信；证实；证明；批准 ①confirm＋sth/that从句/wh-从句 (尤指通过提供更多证据)证实…… It has been confirmed that…已证实…… confirm sb in (belief/opinion/view…) 使某人确信(信念/意见/观点……) ②confirmationn.证实；确认书；证明书 ①(2022·新课标Ⅰ)Analyses of a language database also confirmed that there was a global change in the sound of world languages after the Neolithic age.对语言数据库的分析也证实，在新石器时代之后，世界语言的发音发生了全球性的变化。 ②It has confirmed me in my decision to become a volunteer.这使我坚定了做一名志愿者的决心。 [融会练通]——单句语法填空 (1)This kind of story should never be published without official ________________(confirm)． (2)The latest evidence confirmed me ______ his honesty. (3)So far, six people __________________(confirm) that they will attend the meeting. [习作练笔]——补全句子 (4)她脸上的表情证明了她很难过。 The expression on her face _______________________. (5)已证实会议将于下周举行。 _____________________________ the meeting will take place next week. (教材P30)Have you pressed the button yet to copy the file？你按下按钮复印文件了吗？ press　vt.按，压；敦促　n．按压；印刷(机)；记者；新闻界；报道；出版社 [语义感知]——写出句中press的词性及含义 (1)I pressed the juice of half a lemon into a glass of water. __________ (2)The doctor gently pressed his stomach.____________ (3)They are pressing us to make a quick decision. _____________ (4)(2023·新课标Ⅱ)Before the wide use of the printing press, books were treasured objects.____________ ①press…against/to　把……压/挤/贴在…… press sth on sb 把(想法等)强加给某人 press sb to do sth 敦促某人做某事 ②pressure n．压(力)；压强；强制 under pressure 在压力下 put pressure on sb 给某人施加压力 [融会练通]——单句语法填空 (5)The naughty boy pressed his face ______________ the glass. (6)With one problem pressing ______ his mind, he felt stressed. (7)Extra lessons on Sundays put more ____________ (press) on students, who already have lots of homework in fact. [习作练笔]——补全句子 (8)随着考试的临近，我们学生压力很大。 With the exam drawing near, we students are ________________________. $$