Unit 4 Section Ⅱ Using language-(配套教参)【精讲精练】2025-2026学年高中英语必修第三册(外研版)

本高中英语讲义聚焦现在进行时的被动语态及词汇“lack”核心知识点，系统梳理其含义（现在或现阶段被动动作）、结构（肯定、否定、疑问式）和用法（说话时进行、现阶段进行、习惯性被动行为），并通过词汇“lack”的词性、搭配及教材原句拓展，构建从语法概念到词汇应用的完整学习支架。 资料通过即时演练（语法填空、完成句子）和写作任务（汉译英）提升语言能力，结合不同用法辨析培养思维品质，分层练习（单句填空到篇章写作）助力学习能力。课中辅助教师清晰授课，课后学生可借助练习巩固语法与词汇，弥补知识盲点。

Unit 4　Section Ⅱ　Using language [对应学生用书P81] 一、现在进行时的被动语态的基本概述 1．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，强调主语是动作的承受者。 2．结构 (1)肯定式：be(am/is/are)＋being done ◆A birthday party is being held in the living room now. 现在，客厅里正在举办生日聚会。 (2)否定式：be(am/is/are)＋not＋being done ◆It is reported that the water in the lake is not being protected well now. 据报道，现在这个湖里的水没有得到很好的保护。 (3)一般疑问式：be(am/is/are)＋主语＋being done ◆Are the babies being taken care of by this nurse? 这些婴儿正由这名护士照看吗？ (4)特殊疑问式：特殊疑问词＋be(am/is/are)＋主语＋being done ◆Who is being trained for the coming English speech contest? 谁在为了即将举行的英语演讲比赛接受训练呢？ [即时演练1]——单句语法填空 (1) The topic about the endangered species is being discussed(discuss) by them at the moment. (2) Currently，about 35，000 works are being displayed(display) in over 300 rooms in the Louvre，and it would take a lifetime to see everything. (3) Huge quantities of good soil are being washed (wash) away because floods happen frequently in that area. (4) A new kind of drug is being developed(develop) by the scientists and they are hopeful that they will succeed in a couple of months. (5) Money is being collected(collect) for the Hope Project and I believe we will reach the expected goal. 二、现在进行时的被动语态的用法 1．表示说话时正在进行或发生的被动动作。句中常用now，at the moment等时间状语。 ◆My car is now being repaired in the garage. 我的汽车现在正在修理厂修理。 2．表示现阶段正在进行或发生的被动动作，但该动作在说话的瞬间未必正在进行。 ◆It is reported that many new houses are being built at present in the disaster area. 据报道，现在灾区有很多新房子正在建造中。 3．表示习惯性的被动行为，常与 always，constantly，frequently等副词连用，往往带有夸奖、羡慕、埋怨、讨厌等感情色彩。 ◆Tom is always being praised by the teacher because of his diligence. 因为他的勤奋，汤姆总是被老师表扬。 [即时演练2]——完成句子 (1)这个周末我要去看这几天正在举办的展览。 I am going to the exhibition that/which is being held these days this weekend. (2)现在采取了什么措施来保护濒危动物？ What measures are being taken to protect the endangered animals currently? (3)那些人正谈论着某件事情。 Something is being talked about among those people. [对应学生用书P82] lack v.没有，缺乏 n.缺乏，不足(→lacking adj.缺少的，缺乏的) (1)(a) lack of...　缺少…… for lack of...　因缺少…… (2)be lacking in...　缺少……，……不足 (教材原句)While some say contemporary art lacks skill，meaning and artistic value，others argue that its worth lies in its ability to stimulate new discussions and understanding of everyday objects. 虽然有些人说当代艺术缺乏技巧、意义和艺术价值，但是其他人坚持认为：它的价值在于能够激发人们对日常事物新的讨论和理解。 [练通]——单句语法填空/一句多译 (1)(人教选必一U4) His lack of eye contact when talking with people shows that he lacks(lack) confidence. (2)Though lacking (lack) cooking experience，the twins made up for it by turning to the Internet for some advice. (3)由于缺乏自信和经验，简完全不知道该如何应对这种可怕的情况。 → Lacking confidence and experience，Jane was quite at a loss as to how to deal with the terrible situation.(分词短语作状语) → For lack of confidence and experience，Jane was quite at a loss as to how to deal with the terrible situation.(介词短语作状语)(读后续写之情感描写) 　(1)lack作名词时，后常接介词of；作及物动词时，直接加宾语；作不及物动词时，后常接介词for； (2)lacking为形容词，一般不放在名词前。 [对应学生用书P83] Ⅰ.单句语填空 1．Many subway stations，including the one near our school, are being constructed(construct) at present for better transport in the city. 2．To strengthen mutual understanding，cultural exchange programs are being introduced(introduce) among the countries participating in the meeting currently. 3．Young people are encouraged(encourage) to think carefully about their future plans from time to time by their parents and teachers. 4．We have to hold the meeting in the small hall because the meeting room where we planned to hold the meeting is being decorated (decorate). 5．The rainforest is being cut(cut) down at high speeds and it may disappear from the Earth one day. 6．John will have to go to school by bus today as his bike is under repair in the nearby garage. 7．The actor is being interviewed(interview) about his latest movie right now on TV. 8．Some interesting experiments are being carried out by the students at this moment. 9．Many artifacts are being exhibited(exhibit) for the first time in the National Museum at present. 10．Many fields are being turned(turn) into deserts，which makes the animals living there have no place to find food to eat. Ⅱ.语法与写作 1．我在和朋友聊天时总是被弟弟打断，这真的让我很恼火。 I am always being interrupted by my brother while chatting with my friend，which really annoys me. 2．在很多地方有许多野生动物正在被捕杀，我认为必须采取措施来阻止这一行为。 A lot of wild animals are being killed in many places and I think something must be done to stop it. 3．为了拯救当地的野生动物，人们正在做很多事情，比如建立保护区和制定法律。 So many things are being done to save the local wildlife，such as setting up reserves and making laws. 4．政府正在采取有效措施保护我们的文化遗产和生态资源。 Effective measures are being taken by the government to protect our cultural heritage and ecological resources. 5．我现在正在医院接受治疗，所以我不能和你一起去看电影。 I am being treated in the hospital now，so I cannot go to the cinema with you. 学科网（北京）股份有限公司 $