Unit 3 The world Online Grammar and usage 课件-2025-2026学年高一下学期英语译林版必修第三册

这是一份高中英语必修三Unit3的同步教学课件，聚焦非限定动词“doing”的用法，包含定义、四类形式、使用原因及“doing”作状语的核心功能（描述动作、表结果、表原因等），结合春节实例进行句子改写练习，辅以方法总结和节日主题写作作业。 资料特色突出，以春节、中秋节等文化主题为载体渗透文化意识，通过错误分析（如“having done”主语一致问题）和句子提质升级练习提升语言能力与思维品质，表格梳理功能与实例助力学习策略培养。能帮助学生将语法知识灵活融入写作，也为教师提供清晰教学支架。高一学生处于语法学习深化阶段，需从简单句过渡到复杂句式，该资料通过文化情境和实践练习，帮助学生夯实语法基础，提升写作应用能力，适应高中英语学习要求。

必修三 Unit3 Grammar and usage How to use non-finite verb “doing” in writing? 祁阳市第二中学 尹 燮 【重点】 1. 非限定动词的定义、四类形式（V+ing动名词/现在分词、V+ed过去分词、To+V不定式） 及可作主语等多种成分的功能。 2. 使用非限定动词的原因：解决简单句单一谓语动词限制，避免过多使用连词。 3. “doing”作状语的核心用法：描述同时/先后发生的动作（“having done”需主语一 致）、呈现结果、解释原因。 4. 能正确用“doing”改写句子（如春节相关例句）。 【难点】 1. “having done”的正确使用：判断动作先后，确保与谓语动词主语一致。 2. 区分“doing”作状语时的不同功能（描述动作、表结果、表原因）并恰当运用。 3. 将“doing”用法灵活融入写作，替代简单句和连词。 教学重难点 What is “non-finite verb”? 单击此处编辑母版副标题样式 0 In linguistics，"a non- finite verb" is a verb form that is not limited by a subject. It is not fully inflected by categories that are marked inflectionally in language, such as tense, aspect, mood, number, gender and person. Definiton V+ing ═ gerund V+ed ═ past participle V+ing ═ present participle to+V ═ to-infinitive Definiton So why do people use “non-finite verb”? 单击此处编辑母版副标题样式 0 Predicate verb A simple sentence has only one predicate verb！ I admired the moon on the Mid-Autumn Festival. predicate verb: admired Predicate verb I admired the moon and ate mooncakes on the Mid-Autumn Festival. conjunctions What if I want to say I ate mooncakes while admiring the moon? Predicate verb conjunctions How to use “non-finite verb” in writing？ 单击此处编辑母版副标题样式 0 “Doing”:to describe actions. She left the earth and ascended to the moon. She left the earth, ascending to the moon. (a) Sb.did sth..., doing(with accompanying actions) Doing(with accompanying actions)..., sb.did sth 策略支招 “Doing”:to describe actions Having saved the world, the Queen Mother gave him an elixir as a reward. Is the sentence right? Having saved the world, Houyi was given an elixir as a reward. Is it clear?  (b) Having done(with completed actions)...,sb.did 策略支招 “Doing”:to present results Houyi shot down nine suns and saved the world. Houyi shot down nine suns, saving the world. 策略支招 “Doing”:to explain reasons Chang'e drank the elixir by accident and became immortal. Drinking the elixir by accident, Chang'e became immortal. 策略支招 策略支招：表格梳理，举一反三 1. first of all, having cleaned the room and done the Spring Festival shopping, we cut and put up paper cutouts. 策略支招：句子提质升级1 2.After that we put up Spring Festival couplets and New Year pictures, making the house festive. 策略支招：句子提质升级2 3.After the sun went down, we gathered together to have a reunion dinner, chatting with our families and watching CCTV New Year Gala. 策略支招：句子提质升级3 4.Being very happy in the Spring Festival, I'm looking forward to it next year. 策略支招：句子提质升级4 【AI 评估】 第一篇得分：81 第二篇得分：96 第一篇作文是一篇合格的、内容完整的作文，但它更像是一份“活动清单”，语言较为平淡且有一些语法错误。 第二篇作文则是在第一篇的基础上进行了成功的润色和升级。通过运用分词结构这一高级语法技巧，极大地提升了句子的复杂度和高级感，使文章更符合英语的表达习惯。 第二篇句式结构丰富多变，巧妙地运用了分词短语，将多个动作有机结合，使文章读起来更流畅、更紧凑。这是两篇作文最核心的差异。 比如，第二篇使用了“Having cleaned... and done...”这个现在分词的完成式，清晰地表达了“打扫卫生和购物”这两个动作在“贴窗花”之前已经完成，时间的层次感立刻显现出来。 策略支招:作文分析对比，用AI评估支招，可视化内容结构 对应技能:对比新旧表达，找变化逻辑 方法总结 Homework Try to collect some information about the Dragon Boat Festival or the Mid-autumn Festival, then use what you have learnt to write an introduction to them. 单击此处编辑母版副标题样式 0 Thank you ! null 7200.0 null 2304.0 null 3024.0 null 3024.0 2025 Blues 40128.0 null 55872.0 $