Unit 1 Art Discover Useful Structures 课件-2024-2025学年高中英语人教版（2019）选择性必修第三册

选B3U1 Grammar 动词不定式作表语 Infinitives as the predicative 河北省遵化市第一中学 严实勤恒 章节题目主讲人 研读课标 《普通高中英语课程标准》指出英语学科核心素养包括语言能力、文化意识、思维品质和学习能力。语言能力指在社会情境中，以听、说、读、看、写等方式理解和表达意义的能力，以及在学习和使用语言的过程中形成的语言意识和语感。文化意识的培育有助于学生增强国家认同和家国情怀，坚定文化自信。本节课是语法课，旨在能够比较to do 不定式形式的用法作表语，并在语境中正确理解与使用。 学习目标 1.Enable the Ss to master the usage of the infinitive of the verb as the predicative. 2.Enable the Ss to use the relevant grammar flexibly and authentically in the real situation. “思”环节的设计 问题1：不定式的形式与意义 问题2：不定式作表语所表达的意义 不定式充当表语 主动 将要 (1)Perhaps the best way to understand Western art is to look at the development of Western painting over the centuries. (2)During the Middle Ages，the purpose of Western art was to teach people about Christianity. (3)In this work，Monet’s aim was to convey the light and movement in the scene... (4)What they attempted to do was no longer show reality, but instead to ask the question, “What is art?” 在以上句子中，动词不定式都是作 ，表示具体的事情或将要发生的事情。 表语 感知原文 主 系 表 …the best way to understand Western art …, Monet’s aim to teach… was What they attempted to do was …(to) show… …, the purpose of Western art to convey… is was to look… 一. 动词不定式(短语)的结构 am/is/are/was/were + (not) to do 不定式充当表语 表主动 表将来 二. 动词不定式(短语)作表语的意义 讨论归纳一：主语是以________________, ____ , _________, duty, suggestion,hope,idea,intention,plan等为中心的名词词组时，或者以what引导的名词性从句表示，一般用动词不定式作表语说明主语的_______。 aim 1. Perhaps the best way to understand Western art is to look at the development of Western painting over the centuries. 2. During the Middle Ages, the purpose of Western art was to teach people about Christianity. the best way to do purpose 内容 三. 动词不定式(短语)作表语的用法 空议由乙方提供他人呢 1. all作主句主语,其后的定语从句中含有实义动词do的某种形式时。 All we need to do is live each day with hope. 2. what引导的从句作主语,从句中含有实义动词do的某种形式时。 What I want to do is take a holiday right away. 3. (主句)主语被only, first, one, least或形容词最高级修饰, 且其后作 定语的从句或短语中含有实义动词do的某种形式时。 In the evening the only thing he did was read the newspaper. 动词不定式(短语)作表语省略to的情况 1. Who is to blame for the fire. 2. I’ll give him some books to read. 3. There is a lot of work to do. 讨论归纳： 动词不定式作表语时，可用_ __形式表示被动意义。 主动 空议由乙方提供他人呢 1. Her work is ________( look ) after the children. 2. My aim is ________( go ) to TsingHua University. 3. She seemed ________( think ) about the problem. 4. They appeared _______( agree ) with what we said. 5. The motto of the little boy who was suffering from a muscle disease was _______ (live) one day at a time. Exercises to look to go to think to agree to live 6. Medical experts say the most effective way to prevent the spread of disease is for people ________(wash) their hands with soap and water. 7. The next step is ________ (make) sure that you know exactly what is required. 8. The purpose of education is ___________ (develop) a fine personality in children. to wash to make to develop 14 课本P5习题 1. way purpose aim What 2. DACGBFHIE 讨论归纳二：动词不定式在表语中表示______。 目的 16 The next step is to make sure that you know what is needed. 1.I don’t know what is to happen to us if we go on like this ? 2.The best item on the program is still to come. 讨论归纳三：动词不定式在表语中表示_______和 _______。 将来 预计 空议由乙方提供他人呢 17 1.You have done so much.You are to be rewarded . 2.These books are of great value and they are not to be sold. 讨论归纳四： 动词不定式用于_ ____语态， 相当于_ __________________ , 具有情态意义。 被动 can/could,should,ought to,must 空议由乙方提供他人呢 1.动词不定式(短语)和v-ing(短语)作表语时, 要注意与句子的主语在形式上保持一致, 即若句子的主语为v-ing(短语), 则表语也应使用ving(短语)；若主语为动词不定式(短语),则表语也应使用动词不定式(短语)。 eg: To see is to believe. = Seeing is believing. 眼见为实。 四.动词不定式(短语)作表语和v-ing(短语)作表语的区别 2.动词不定式(短语)和v-ing(短语)作表语时可换用,但以下情况除外: (1) 当动词所表达的是某一特定的行为, 尤其是将来的行为或有待 于实现的行为时, 通常用动词不定式(短语)作表语。 Her best wish is to put her new ideas into practice. (2) 若动词所表达的并不强调动作,而是表示主语的内容, 则通常用 v-ing(短语)作表语。 My favorite sport is swimming. What I hate most is being laughed at. 一. 动词不定式(短语)的结构。 二. 动词不定式(短语)作表语的意义。 三. 动词不定式(短语)作表语的用法。 动词不定式（短语）作表语省略to的情况： 四. 动词不定式(短语)作表语和v-ing (短语)作表语的区别。 all, what, only, first, one, least或形容词最高级修饰 1.主语是以the best way to do , purpose, aim, duty, suggestion, duty, hope, idea, intention, plan等为中心的名词词组时，或以what引导的名词性从句，一般用动词不定式作表语表示其内容。 2.动词不定式作表语时，可用主动形式表示被动意义。 Summary 20 动词to do 作表语。 动词不定式(短语)的结构。 动词不定式(短语)作表语的意义。 动词不定式(短语)作表语的用法。 动词不定式(短语)作表语的总结。 世纪金榜语法部分限时练。 课堂小结 板书设计 教辅选题 知识体系 思维导图 课堂点评 Thank you 河北省遵化市第一中学 严实勤恒 章节题目主讲人 22 $$