Unit 1 Art 不定式作表语语法课件-2025-2026学年高中英语人教版选择性必修第三册

高二英语 Unit 1 Art 解锁不定式 (To Do) 的核心作用 Discover Useful Structures — 不定式作表语 1.知识目标：理解并掌握不定式作表语的基本结构和用法。 2.能力目标：能识别、运用“主语 + be + to do”结构，并完成课本相关练习。 3.情感目标：通过互动游戏，感受语法学习的乐趣，增强学习信心。 Teaching objective Step 1 Leading in 课本原句观察 1. The best way to understand Western art is to lookat its development.  理解西方艺术的最佳方式是观察它的发展历程。 2. The aim of Western art was to teach people about Christianity. 西方艺术的目的是向人们传授基督教教义。 3. Monet's goal was to convey light and movement. 莫奈的目标是传达光线与动态的效果 思考时刻： 这些高亮的“to do”都出现在哪个词的后面？它们看起来像是在回答什么问题？ 小组讨论：它们在回答什么？ 1.The best way ... is to lookat its development. → 回答：最好的方法是什么？ 2.The aim ... wasto teachpeople... → 回答：艺术的目的是什么？ 3.Monet's goal wasto conveylight... → 回答：他的目标是什么？ 总结：be动词后的“to do”结构在说明主语的内容、目的或目标。 Step 2 核心公式大揭秘！ 简单来说：当我们想表达“XX是做某事”或“XX的目的是做某事”时，就可以用这个结构。 My job is to teach English. (我的工作是教英语。) Her dream is to be a doctor. (她的梦想是成为一名医生。) 不定式作表语的核心作用 01. 说明主语的内容/定义 What he said is to tell us the truth. 他所说的话就是告诉我们真相。 02. 表示主语的目的/意图 My purpose is to help you. 我的目的是帮助你。 03. 表示主语的计划/安排 The plan is to start tomorrow. 计划是明天开始。 04. 表示主语的愿望/梦想 His wish is to travel around the world. 他的愿望是环游世界。 通俗口诀：Be后接to do，表语来报到； 说明“是什么”，目的和梦想，一看就知道！ 即时小测：我来填空！ 1. My dream is ______ (become) an artist. 2. His plan is ______ (study) abroad. 3. The best way is ______ (practice) every day. 4. The aim is ______ (help) you understand grammar. to become to study to practice to help Step 3 课本核心搭配：way & aim 高频名词：way (方法) 结构：the way / a way + to do sth. 例句：The best way to understand Western art is to look at its development. 造句：The best way to learn is to ask questions. 高频名词：aim / purpose (目的) 结构：the aim / purpose + to do sth. 例句：The aim of Western art was to teach people about Christianity. 造句：The purpose of this meeting is to discuss the plan. 高频名词 3：Goal / Intention (目标) 结构：one's goal / intention + to do sth. 例句：Monet's goal was to convey light and movement. 造句：Her goal is to win the competition. 高频名词 4：Wish / Dream (愿望) 结构：one's wish / dream + to do sth. 例句：The mother's wish is to raise her son to be a noble man. 造句：My dream is to live in a big city. Step 4 课本闯关1：填一填，我能行！P5第一题 1. Perhaps the best ______ to understand Western art is to look at... 2. During the Middle Ages, the ______ of Western art was to teach... 3. In this work, Monet's ______ was to convey the light... 4. ______ was no longer to show reality, but to ask... To paint way aim goal 互动规则：独立思考完成填空，完成后同桌之间互相检查答案。 Step 5 课本闯关2：配对大作战！P5第2题 1. D 2. A 3. C 4. G 5. B 6. F 7. H 8. I 9. E 1. 这位年轻歌手演唱这首歌的意图，是与他的歌迷分享他对摇滚音乐的热爱。 2. 做生意的最佳方式，是在你和你的客户之间建立信任。 3. 幸存者们试图做的事，是为拯救了他们生命的英雄们建一座纪念碑。 4. 学校里艺术教育的主要目的，是激发学生的创造力。 5. 两位领导人在会议上的目标，是在两国之间实现永久的和平。 6. 对于一个谦逊的人来说，最困难的事情之一可能是批评他人。 7. 当你面临一个重大决定时，我的建议是倾听你自己内心的声音。 8. 这位母亲的愿望，是将她的儿子培养成一个拥有高尚情操和宽广胸怀的人。 9. 在疲惫的一天过后，他唯一想要的就是独自静一静（不被打扰）。 句子对应的中文意思 Step 6 口语闯关：我的梦想，我来说！ 核心句型库 (Core Sentences) My biggest dream/ambition 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 ... One of my wishes is to... A: What’s your biggest dream? B: My biggest dream is to be a doctor. What’s your plan? A: My plan is to be a writer. But I think one of the hardest things is finding time to write. B: I guess the best way is to write a little every day. One of my wishes is to learn to play the piano. A: Nice! Let’s both work for our goals. Step7Summary 1.核心结构：主语 + be + to do (不定式作表语) 2.四大作用：说明内容、表示目的、计划、愿望 3.高频搭配：way, aim, goal, wish + to do Step8作业 1.造句练习：用 way, aim, goal, wish 各造一个句子。 2.段落写作：写3-5句话谈谈你的梦想及实现方法，尽量使用本课句型。 $