Unit 3 The World of Science Using Language 语法 导学案-2023-2024学年高中英语外研版（2019）必修第三册

主题语境---科学发展与信息技术创新 班级：__________ 姓名：___________ Unit 3 Using language Present perfect passive导学单 Learning objectives: 1. To know the use of present prefect passive. 2. To do some exercises using the present perfect passive. 问题导学 Activity 1 Review & Lead in 不同时态的被动语态： 现在时 过去时 将来时 过去将来 一般时 进行时 完成时 下面几种情况一般用被动语态: ◆不知道或没有必要说明动作的执行者是谁; ◆强调动作的承受者,而不强调动作的执行者; ◆动作的执行者很模糊; ◆有时为了礼貌的需要,避免说出动作的执行者。 Activity 2 Observation and Discovery Task 1: Look at the sentences from the reading passage and answer the questions. a I guess you have been asked about the title of your book before. b New inventions like 3D printers have been used to make replacement hearts and bone parts 1. What has happened to “you” in sentence (a)? _____________________________________________________________________ 2. Who has used new inventions to make replacement hearts and bone parts in sentence (b)? _____________________________________________________________________ c I guess someone has asked you about the title of your book before. d People have used new inventions like 3D printers to make replacement hearts and bone parts. 3. What is the difference between the two groups of sentences? _____________________________________________________________________ 4 Why does the author choose to use the passive form instead of the active form in the reading passage? _____________________________________________________________________ Task 2: Now look for more sentences with the present perfect passive in the reading passage. _______________________________________________________________________________________________________________________________________________________________________________________________________________ 重难引学 Activity 3 Presentation 一、现在完成时的被动语态含义:have/has been done 1. 强调一个发生在过去的被动动作。 2. 表示动作已经完成，对现在造成的影响或结果； 3. 主语为动作的承受者，与谓语动词是被动关系。 二、现在完成时的被动语态结构: 肯定式：______________________________________________________________ 否定式：_____________________________________________________________ 一般疑问句：_________________________________________________________ 特殊疑问句：__________________________________________________________ 三、用法及注意事项: 1. What is rules No.1 in the following phrases? ① “China speed”has been given new meanings in the past decade. 在过去的十年间，“中国速度”已经被赋予了新的含义。 ②The new hospital has been completed now. 新医院现已建成。 Rules No.1:表示一个被动动作发生在说话之前，强调对现在造成的影响或结果，常与already, yet, just, ever, never, recently,in the past /last few days等连用。 2. What is rules No.2 in the following sentences? ①The road has been repaired for more than a month. 这条路修了一个多月了。 ②Our classroom has been cleaned, you needn’t clean it now. 我们的教室已经打扫过了，你现在不必打扫了。 Rules No.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。常连用的时间状语有：for+段时间，since +时间状语(从句)，these days（现今，目前）, so far, up to now, in the last/ past few years等。 注意事项1: 副词的位置 often, usually, always, never, hardly, seldom等副词置于have / has和been中间。 注意事项2： 不及物动词（词组）如 happen, take place, die, appear 没有被动语态，而不及物动词加介词或者副词构成的短语，相当于及物动词，可以用于被动语态。注意介词和副词不能丢掉。 四、与一般过去时被动语态的区别: The machine was repaired yesterday． The machine has been repaired． 语法 形式 意义 关系 一般过去时被动语态 现在完成时被动语态 ① The bridge ___________(build) last year． 这座桥是去年建成的。 ② The bridge_______________( build )． 这座桥已经建好了。 小组研学+班内展学 Activity 4 Practice Task1: Rewrite the underlined parts using the present perfect passive. 1. _________________________________________________________ 2. _________________________________________________________ 3. _________________________________________________________ 4.__________________________________________________________ 5.__________________________________________________________ Activity 5 Production Task2: Imagine you are Dr Moore. Look at the pictures and tell the police about the damage and loss to your lab. Use the present perfect passive where appropriate. In the morning, when I went into my lab, I felt extremely surprised. What a mess it is now! My lab _____________ (break) into. The only robot at the door _____________ (push) down into pieces. The door of the cupboard was open. Some chemical apparatuses（器械） such as test glasses（烧杯） and tubes _______________ (knock) over. In addition, my papers on the desk ________________ (turn) in disorder. 习题练学 Homework: 1. 用被动语态改写下列句子。 Active voice Passive voice People have made important advances in medicine and environmental science thanks to increasing computer power. Important advances 1.____________________ in medicine and environmental science thanks to increasing computer power. Someone has told me that you're an inventor yourself. I 2.____________________that you're an inventor yourself. They haven't published Tom's novel. Tom's novel 3.____________________ Has the Internet changed your life? 4.____________________by the Internet? How much money have they spent on the earthquake recovery? 4. ____________________on the earthquake Recovery 2. 用所给词的正确形式填空。 1. The same mistake _______________ (make) many times. 2. The machine has already _________________ (repair). 3. His cup _____________ (break) last night. 4. New inventions like 3D _______________ (use) to make replacement hearts and bone parts.  5. Our classroom __________________ (clean) ,you needn’t clean it now. 3. 语篇填空。 Have you ever heard of Uluru(乌鲁鲁)? Actually, it 1. ______________ (call)Ayers Rock(艾尔斯岩) by some people, too.Located in Australia,Uluru is a large sandstone rock formation,Uluru used to be open to the public. However, it 2. _______________ (close)since 26 October 2019.In 1994，Uluru 3. _________________(list) UNESCO World Heritage Site. Besides, Uluru4. ___________________(consider)a major attraction for decades and tourists from all over the world 5. __________________ (attract)by it.It's said that the ban(禁令) 6. _____________________ (announce) in 2007 for the first time and most visitors observed it. Australia's Tourist association said that the rock 7. ___________________ (climb) by16 percent of visitors since 2017.A local man named Rameth Thomas explained to the media how important the rock was to the people. “I 8. ________________ (tell)that the place is very sacred(神圣的) since I was a little boy,Our stories are all on the rock,”said Thomas. 1 学科网（北京）股份有限公司 $$