Unit1 Art Discover useful structures 课件-2025-2026学年高中英语人教版选择性必修第三册

Unit 1 ART Discover Useful Structures Infinitives as Predicate 2026.03.06 行业PPT模板http:///hangye/ By the end of the class, students will be able to: identify and summarize the forms of infinitives as predicatives understand the meaning of infinitives and apply it correctly in specific context raise the awareness of protecting traditional art forms Learning Objectives 动词不定式作表语的结构 动词不定式的形式 动词不定式作表语的用法 常用不定式作表语的情况 1 2 3 4 行业PPT模板http:///hangye/ 不定式作表语省略to的情况 5 重点 难点 非谓语作表语的区别 6 语法填空（动词） 动词 谓语 非谓语 done doing to do 主动/正在进行 被动/已完成 目的/将来 时态，语态，人称，数 非谓语不能单独作谓语， 可以作主语、宾语、表语、定语、状语、宾补。 表语 不定式 to do 结构 S+be to do 形式 用法 （1）表示主语的内容。 （2）表示事态发展预期的结果、不幸的命运等。 （3）用于第一人称疑问句，表示征求意见。 （4）表示“同意、安排、命令、决定、劝告、意愿、禁止”等。 常见情况 （1）主语常是表示方式、目的、计划、梦想、责任等的词，如way, intention, purpose, aim, attempt, plan, duty, dream等。 （2）what引导的名词性从句。 （3）当主语有all, 或者主语被序数词、或the only, the last或形容词最高级修饰时，其后可接“系动词+不定式”作表语。 省略to 前有do, 后省to 【P5 activity 1】Read these sentences and fill in the blanks using the correct words from the text on pages 2 and 3. Perhaps the best _____ to understand Western art is to look at the development of Western painting over the centuries. During the Middle Ages, the _______ of Western art was to teach people about Christianity. In this work, Monet’s ____ was to convey the light and movement in the scene ... ___________________________ was no longer show reality, but instead to ask the question, “What is art?” way purpose aim What they attempted to do 1. 结构 S+V+P 动词不定式可以放在 be和 become, sound, taste 等__________后面作表语，由“to +动词原形”构成，说明或解释主语的内容，也可表示将来的动作。 系动词 2.不定式的形式: （1）基本形式： _______________ （2）其否定形式是: __________________________ （3）不定式可带宾语或状语构成不定式短语， 。 to+动词原形 not/never to do/not do 没有人称和数的变化 类别 主动形式 被动形式 时间 一般式 完成式 进行式 to be done to have done to be doing to have been done 发生在谓语动词之后 发生在谓语动词之前 正在进行 to do 3.动词不定式作表语的用法　 （1）表示主语的内容。 The purpose of education is to develop a fine personality in children. 教育的目的是培养儿童健康的人格。 （2）表示事态发展预期的结果、不幸的命运等。 You must speak out，if we are to remain friends. 如果我们还想继续做朋友的话，你就必须痛痛快快地把话都说出来。 （3）用于第一人称疑问句，表示征求意见。 What am I to say if they ask me the question?　 要是他们问我这个问题，我该怎么回答呢？　 （4）表示“同意、安排、命令、决定、劝告、意愿、禁止”等。 They are to marry next week. 他们将在下周结婚。(安排)　 4 常用to do作表语的情况 动词不定式作表语 Tip 1：主语是以 __________________________________________ _____________________________________________________________________________________等表示意向、打算、计划的抽象名词为中心的名词词组时，或者以_____________________表示时，一般用动词不定式作表语说明主语的内容。 problem, reason, risk, task, wish, aim, suggestion, duty, hope, idea, intention, purpose, way difficulty, experience, job, method, principle what引导的名词性从句 His dream is ____________(become) an astronaut. What I will do next is _______(get) enough money to buy a car. to become to get 有时，根据表达的需要，在作表语的不定式前，还可添加疑问代词或疑问副词，包括 what, who, how, when, where 等。 例如：问题是如何开始。 The problem was how to begin. Tip 2: 当不定式作表语时，句子的主语还可以是what引导的主语从句。 e.g. What I want to do now is (to) have a rest. Tip 3：当主语包含定语从句且其先行词为代词_____或者主语被___________________或形容词________修饰时，其后可接“系动词+不定式”作句子的表语。 ①All he wanted was ____________(leave) alone. 他只想一个人待着。 ②The least I can do to help is ___________(lend) her a car. 我所能帮的最起码的事是借给她一辆车。 to be left to lend all only, first, one, least 最高级 Summary 常用to do作表语的情况 　 （1）主语常是表示方式、目的、计划、梦想、责任等的词，如way, intention, purpose, aim, attempt, plan, duty, dream等。 （2）what引导的名词性从句。 （3）当主语有all, 或者主语被序数词、或the only, the last或形容词最高级修饰时，其后可接“系动词+不定式”作表语。 5.不定式作表语，可以省略to的情况 当主语部分含有动词do的某种形式时, 作表语的不定式可以to省略。 1. what引导的主语从句，含有do的某种形式 What they attempted to do was no longer show reality, but instead to ask the question, “what is art?” 前有do, 后省to 2. 主语被序数词、最高级或the only, the last等修饰, 且其后的定语从句含有do的某种形式。 The only/first thing that we should do now is learn. The best thing that he did is face the difficulty bravely. 3. 晚上他做过的唯一的事是读报纸。 All we need to do is live each day with hope. What they attempted to do was draw public attention. In the evening the only thing he did was read the newspaper. 1. 我们需要做的就是怀有希望过好每一天。 ________________________________________________________________________________ 2. 他们试图做的是引起公众关注。 ________________________________________________________________________________ ________________________________________________________________________________ 前有do, 后省to to do作表语 强调的是_____________________的动作 doing作表语 强调的是____________________的动作，说明主语的性质或特征 ①His job is to paint the walls within two hours. ②His job is painting walls. ③We are satisfied with our present job. 暂时的工作 日常的工作 具体的或将要发生 经常性或持续性 1.非谓语作表语的区别 人的内心感受 done作表语 强调的是_______________________ 人的内心感受 Notice 2.形式上，最好保持一致 眼见为实 To see is to believe. Seeing is believing. 不定式 to do 结构 S+be to do 形式 用法 （1）表示主语的内容。 （2）表示事态发展预期的结果、不幸的命运等。 （3）用于第一人称疑问句，表示征求意见。 （4）表示“同意、安排、命令、决定、劝告、意愿、禁止”等。 常见情况 （1）主语常是表示方式、目的、计划、梦想、责任等的词，如way, intention, purpose, aim, attempt, plan, duty, dream等。 （2）what引导的名词性从句。 （3）当主语有all, 或者主语被序数词、或the only, the last或形容词最高级修饰时，其后可接“系动词+不定式”作表语。 省略to 前有do, 后省to Match the sentence halves and underline the nouns or clauses used as the subject in each sentence. 1 The young singer’s intention of performing the song was 2 The best way to do business is 3 What the survivors attempted to do was A. to build trust between you and your client. B to achieve permanent peace between their two countries. C. to build a memorial to the heroes who saved their lives. D. to share his love for rock music with his fans. adj.永久的;长久的 adj.纪念的 n.纪念碑;纪念品 2 4 The main purpose of art education in schools is 5 The aim of the two leaders at the conference was 6 For a humble person, one of the hardest things might be 7 When you are faced with a serious decision, my suggestion is 8 The mother’s wish is 9 All he wanted after a tiring day was B to achieve permanent peace between their two countries. E. to be left alone. F. to criticise other people. G. to inspire students to be creative. H. to listen to your own inner voice. I. to raise her son to become a man with a noble mind and a generous heart. v.批评;评价 adj.谦逊的;虚心的 Choose five sentences from Activity 2, and make sentences according to yourself. …’s intention of (doing sth.) … is/was to… The best way to … is/was to… What… attempted to do was (to)… The main purpose of … is/was to… One of the … things might be to … …’s suggestion is/was to… …’s wish is/was to… All (that) … was/is to… Work in pairs. Make conversations using the following questions and sentence patterns. 1 What's your biggest dream/ambition in life? 2 How are you going to make your dream come true? 3 How are you going to achieve your goal? 4 Do you have any plans? 5 What might be difficult for you? 6 How are you going to deal with…? 3 My biggest dream/ambition in life is to… I think all I have to do is… My plan is to… I think one of the hardest things might be… I guess the best way to ... is … A: What’s your biggest ambition in life? B: My biggest ambition in life is to run an international marathon in Beijing. A: Wow, that sounds great! How are you going to make your dream come true? B: I should practise, practise, practise and never give up! A: How are you going to achieve your goal? Do you have any plans? B: Yes, my plan is to run my first marathon in two years’ time. I think all I have to do is start running shorter races, and then get used to longer and longer races. A: What might be difficult for you? B: I think one of the hardest things might be training my body and mind to endure such a long race. A: How are you going to deal with that? B: I guess the best way to deal with that is to train slowly but with great focus, get a lot of support from friends and family, always be positive, and keep my long-term goal in mind. $