Unit 1 Section Ⅲ Learning About Language-【新课程学案】2025-2026学年高中英语选择性必修第三册教师用书word（人教版）

本讲义聚焦高中英语动词不定式作表语这一核心语法点，通过“感知例句-归纳规则-应用拓展”的学习支架展开。先以艺术、生活等主题例句引入，系统梳理不定式一般式、进行时、完成时等形式及意义，再详解基本用法（说明主语内容、目的、预测等）、特殊用法（do后省略to）及与v.-ing形式的区别，最后通过“对点练”和综合练习巩固。 该资料特色鲜明，语言能力培养上，结合艺术语境例句（如“The purpose of art works is to give people certain feelings”）和高考写作实例（如2025北京高考“Another idea is to promote cultural exchange”），提升语境化理解与表达。思维品质方面，通过对比v.-ing形式（如任务描述中不定式与v.-ing的互换与差异），培养分析比较能力。学习能力上，“对点练”即时反馈，语法与写作结合促进主动应用，课中辅助教师系统授课，课后帮助学生查漏补缺，强化知识迁移。

Section Ⅲ　　Learning About Language 语法项目——动词不定式作表语 　　The purpose of art works is to give① people certain feelings, such as a sense of joy or sadness from the inside out. Good works of art seem not only to play② a role in visual appreciation of life, but also (to) help③ people understand nature. They even appear to turn④ into spiritual strength to support our lives, making every detail of life as meaningful as the person or object in them. 　　[语法入门] ①动词不定式短语在系动词is后作表语; ②动词不定式短语在系动词seem后作表语; ③动词不定式短语也在系动词seem后作表语; ④动词不定式短语在系动词appear后作表语。 一、形式与意义 　　[先感知] ①(教材典句)In this work, Monet’s aim was to convey the light and movement in the scene ... ②To respect others is to be respected. ③He seems to be following us. ④He seems to have caught a cold. ⑤He appears to have been waiting a long time. ⑥Every word seemed to have been thought twice before it was spoken out. 　　[会发现] 1.以上各句中动词不定式都位于系动词之后作表语。 2.①②句中的动词不定式是一般式,用to do(主动)或to be done(被动)形式。 3.③句中的动词不定式是进行时,用to be doing形式。 4.④⑥句中的动词不定式是完成时,用to have done(主动)或to have been done(被动)形式。 5.⑤句中的动词不定式是完成进行时,用to have been doing形式。 　　[明规则] 1.动词不定式作表语常跟在be (am, is, are, was, were), seem, appear, remain, get等系动词后。 2.动词不定式作表语常用来说明主语的具体内容、目的、结果、打算或安排等。 3.动词不定式的形式和意义如下: 形式 意义 to do/to be done 表示动作还未发生,也就是在谓语动作之后发生 to be doing 表示动作与谓语动作同时发生 to have done/to have been done 表示动作在谓语动作之前发生 to have been doing 表示动作在谓语动作之前已发生并且一直在进行 　　[对点练]　(用所给词的适当形式填空) ①What we really need to do is to bring (bring) back play for children.  ②The answers to all these questions remain to be seen (see).   ③When everyone clapped for her, she seemed to be looking (look) straight at me.  ④The next day, however, Peter appeared to have forgotten (forget) all about it.  ⑤The original one seemed to have been destroyed (destroy) in 1700 BC.  二、基本用法 1.不定式的一般式表示主语的内容、性质、目的、意愿或态度等。 My ambition is to be a scientist when I grow up. 我的志向是长大后当一名科学家。 My idea is to climb the mountain from the north. 我的主意是从北面爬这座山。 What I would suggest is to put off the meeting. 我的建议是推迟会议。 The best way to learn a new language is to practice speaking it. 学习一门新语言最好的方法是练习说它。 　　[对点练]　(完成句子) ①My dream was to become a doctor when I was in primary school.  上小学时,我的梦想是成为一名医生。 ②The first thing is to listen to the teacher carefully.  第一件事是认真听老师讲课。 ③What you need to insist on is to take plenty of exercise every morning.  你需要坚持的是每天早上做大量的运动。 ④(2025·北京高考写作)Another idea is to promote cultural exchange.   另一个想法是促进文化交流。 ⑤(2025·全国Ⅰ卷写作)My first reason is to capture the lively moments when students play football on the lawn, which shows our youthful vitality.  我的首要原因是想捕捉学生们在草坪上踢足球时的热闹瞬间,这展现了我们的青春活力。 2.不定式的一般式还可以表示对将来事态发展的一种预测、命令或安排等。 We believe that man is to live a better life in the future. 我们相信人类在将来会生活得更好。 I don’t know what is to happen to us. 我不知道我们会发生什么事。 You are to have a face⁃to⁃face talk with them. 你必须得和他们进行一次面对面的谈话。 　　[对点练]　(完成句子) ①If you don’t study hard, you are to be a loser.  如果你不努力学习,你就会成为一个失败者。 ②The doctors are to give you an operation tomorrow.  医生明天要给你做手术。 ③She is to return home from America next month.  她下个月将从美国回国。 3.不定式的完成时表示对过去发生的事件的一种猜测。 She seemed to have heard about this matter. 她似乎已听说过这件事。 The young man seemed to have changed much. 这个年轻人看起来变化很大。 She appeared not to have heard what he had said. 她似乎没有听见他说的话。 　　[对点练]　(完成句子) ①The player appears to have quitted the competition.  这位运动员似乎已退出了比赛。 ②He seemed to have forgotten his umbrella when he left the house.  他离开家时似乎忘记带伞了。 三、特殊用法 　　当句中的系动词前有do的某种形式,并且表语是动词不定式时,不定式符号“to”常省略。 The only thing you have to do is (to) press the button. 你必须做的唯一事情是按这个按钮。 The first thing she did was (to) go up to her trainer and thank him for all his help during her training. 她做的第一件事就是走到她的教练面前,感谢他在训练期间给予的所有帮助。 　　[对点练]　(完成句子) ①What we want to do now is lie down and rest.  我们现在想做的就是躺下休息。 ②With everything ready, all he had to do was wait for the starry night to come.  一切准备就绪,他所要做的就是等待繁星点点的夜晚到来。 四、动词不定式作表语与v.⁃ing形式作表语的区别 1.强调主语的内容时,作表语的不定式和v.⁃ing形式可以互换。 Our task is to find a solution. =Our task is finding a solution. 我们的任务是找到一个解决办法。 Her specialty is fixing computers. =Her specialty is to fix computers. 她的特长是修电脑。 2.表示计划、安排时,不定式强调动作或具体行为,v.⁃ing形式强调内容或习惯性行为。 My first job is to collect insect specimens. 我的第一份工作是采集昆虫标本。(某次具体工作) My first job is collecting insect specimens. 我的第一份工作是采集昆虫标本。(日常工作) 3.v.⁃ing形式作表语,相当于形容词,不定式无此用法。 Reading such a book is challenging. 读这样的一本书是很有挑战性的。 Reading such a book is to challenge yourself. 读这样的一本书就是挑战自己。 　　[对点练]　(完成句子) ①The most important thing is to learn to control your temper.   最重要的事情是学会控制你的脾气。 ②Our current plan is to introduce traditional Chinese festivals, operas and paper⁃cutting.   我们目前的计划是介绍中国的传统节日、戏剧和剪纸。 ③One effective way to protect the environment is reducing plastic waste by using reusable bags.  保护环境的一种有效方法是使用可重复使用的袋子,从而减少塑料废物。 ④Her main concern is keeping/to keep the house clean.   她主要关心的是保持房子干净。 Ⅰ.用所给词的适当形式填空 1.Their job is building/to build (build) houses for the poor for free.  2.The only thing that he wants to do now is (to) go (go) for a holiday.  3.What made me fail is to have ignored (ignore) the facts.  4.What Tom said is to be discussed (discuss) at the next meeting.  5.Our duty is to help (help) those people find their children.  6.I found a part⁃time job, which is to guide (guide)the patients.  Ⅱ.语法与写作 1.The purpose of the activity is to raise people’s awareness of environmental protection.  这个活动的目的是提高人们的环保意识。 2.His health seems to be improving little by little.   他健康状况看来正在逐渐好转。 3.Her dream is to become a doctor like her father after graduating from college.  她的梦想是在大学毕业后成为一位像她父亲那样的医生。 4.One of the most effective ways to reduce stress is to talk about your feelings with someone you trust.  减轻压力最有效的方法之一就是跟你信任的人谈谈你的情感。 学科网（北京）股份有限公司 $