Unit 5 Languages Around the World 5大核心句型专项突破 课件 -2027届高三英语人教版（2019）必修第一册

该高中英语高考复习课件聚焦人教版必修一Unit5核心句式，覆盖why引导定语从句、It was a time when...+现在分词等5个高考高频语法考点，依据高考评价体系梳理句式结构、对比易混点，通过翻译、语法填空、语篇填空等题型归纳考查要求，明确各句式在语法填空中的权重占比，体现备考针对性。 课件亮点在于“结构解析+考点突破+素养提升”策略，如针对“介词+which定语从句”，通过先行词与介词搭配规律（如means后用by which）培养思维品质，结合综合检测语篇填空模拟高考情境提升语言能力。特设易错点警示（如why与for which的替换），帮助学生掌握答题技巧，教师可据此系统开展一轮复习，高效提升学生得分率。

人教版必修一 Unit 5 Languages Around the World 核心句式复习课（一轮高考复习） 教学目标 1.语言能力：能够准确识别并运用5个核心句式，完成翻译、语法填空和微写作。 2.学习能力：通过归纳句式结构、对比易混知识点、完成小测，形成自主整理语法知识的能力。 3.思维品质：能够辨析不同句式的结构差异，判断语境中应使用的句式，提升逻辑归类能力。 4.文化意识：理解英语中表达原因、时间、属性、让步、方式等概念的语言习惯，增强跨文化表达意识。 1.why 引导定语从句：reason + why + 定语从句 2.It was a time when... + 现在分词结果状语：一个……的时期，从而导致…… 3.be of + 抽象名词：具有……的（= be + adj.） 4.no matter + 疑问词 让步状语从句：无论…… 5.介词 + which 引导定语从句：通过/在…… (prep. + which) 本节课复习的5个核心句式 文化意识：英语用定语从句简洁地表达因果关系。 句式一：why 引导定语从句 课文原句：There are many reasons why this has been possible, but one of the main factors has been the Chinese writing system. 结构：reason + why + 定语从句 意义：……的原因 考点：why 在定语从句中作原因状语，等同于 for which 1.这就是他成功的原因。【提示词：reason，why，succeed】 2.我知道她生气的原因。【提示词：reason，why，angry】 3.因素之一是他努力。【提示词：factor，why，work hard】 句式一：翻译练习 This is the reason why he succeeded. I know the reason why she is angry. One factor why he succeeded is that he worked hard. 句式一：语法填空 1.Can you explain the reason __________ you were late? 2.The __________ (factor) why he gave up is his bad attitude. 3.I don't know the reason __________ she changed her attitude. 解析：reason 后用 why 引导定语从句，why 在从句中作原因状语。 why factor why 文化意识：英语用复合结构同时描述时间背景和结果。 句式二：It was a time when... + 现在分词结果状语 课文原句：It was a time when people were divided geographically, leading to many varieties of dialects and characters. 结构1：It was a time when + 定语从句（一个……的时期） 结构2：主句 + , doing（从而导致……） 考点：when 修饰 time 作时间状语；doing 表自然结果 句式二：翻译练习 1.那是一个方言很多的时期。【提示词：a time when，dialect】 2.他努力学书法，从而取得了进步。 【提示词：struggle，calligraphy，lead to，progress】 3.那是一个王朝衰落的时期。 【提示词：a time when，dynasty，fall】 → It was a time when there were many dialects. → He struggled to learn calligraphy, leading to progress. → It was a time when the dynasty fell. 句式二：语法填空 1.It was a time __________ people had trouble with communication. 2.He practiced calligraphy every day, __________ (lead） to great improvement. 3.It was a difficult period, __________ (cause) many dialects to appear. 解析：题1：a time 后定语从句，when 作时间状语。 题2、3：逗号后现在分词作结果状语。 when leading causing 文化意识：英语用be of + 名词结构表达属性，比形容词更正式。 句式三：be of + 抽象名词 课文原句：That writing system was of great importance in uniting the Chinese people and culture. 结构：be of + 抽象名词（importance / value / use / help） 意义：具有……的（= be + 同根形容词） 考点：名词前可用 great / little / no 修饰 句式三：翻译练习 1.这本书非常重要。【提示词：be of great importance】 2.他的态度很有帮助。【提示词：attitude，be of great help】 3.这个方式很有用。【提示词：means，be of great use】 This book is of great importance. His attitude is of great help. This means is of great use. 句式三：语法填空 1.Learning calligraphy is of great __________ (important). 2.His regard for tradition is of little __________ (valuable). 3.This means is of no __________ (useful) to us. importance value use 解析：be of + 名词结构，形容词需变为名词形式。 文化意识：英语用让步从句表达“无论……都……”，逻辑严谨。 句式四：no matter + 疑问词 让步状语从句 课文原句：No matter where Chinese people live or what dialect they speak, they can all still communicate in writing. 结构：no matter + wh-词 + 从句（what/where/how/who） 意义：无论……，不管…… 考点：引导让步状语从句，可替换为 wherever/whatever 等 1.无论你去哪里，我都会依靠你。 【提示词：no matter where，depend on】 2.无论你有什么困难，都不要放弃。 【提示词：no matter what，trouble，give up】 3.无论他说什么方言，我们都有困难理解。 【提示词：no matter what，dialect，have trouble with】 句式四：翻译练习 No matter where you go, I will depend on you. No matter what trouble you have, don't give up. No matter what dialect he speaks, we have trouble with it. 句式四：语法填空 1.__________ matter what happens, I will support you. 2.No matter __________ native language you speak, you can learn Chinese. 3.No matter __________ hard the struggle is, don't give up. 解析：固定搭配 No matter + what / how / where，what 后接名词，how 后接形容词。 No what how 文化意识：英语用介词+which 使定语从句更正式、精确。 句式五：介词 + which 引导定语从句 课文原句：Written Chinese has become an important means by which China's present is connected with its past. 结构：介词 + which + 定语从句 意义：通过/在/凭借…… 考点：介词由先行词或从句固定搭配决定，which 指代事物 句式五：翻译练习 1.这是我用来学书法的方法。 【提示词：means，by which，calligraphy】 2.他依靠的人是我。【提示词：depend on，on whom】 3.她提到的书很有趣。【提示词：refer to，to which】 This is the means by which I learn calligraphy. I am the person on whom he depends. The book to which she referred is very interesting. 句式五语法填空： 1. This is the means by ______ we learn about history. 2. The person on ______ I rely always gives me advice. 3. The old house in ______ they once lived has a long history. 答案：which 解析：先行词为表事物的means，介词后用which。 答案：whom 解析：先行词为人，介词后用whom。 答案：which 解析：先行词为表事物的house，介词后用which。 There are many reasons __________ Chinese writing system has survived. It was a time when people were divided, __________ (lead) to many dialects. The system was of great __________ (important) in uniting the culture. No matter __________ dialect people speak, they can communicate in writing. This is the means by __________ China's present is connected with its past. 综合检测·语篇填空 答案：1.why 2. leading 3. importance 4. what 5. which 核心句式回顾 1.reason why：……的原因（why 作原因状语） 2.It was a time when... + doing：一个……的时期，从而导致…… 3.be of + 抽象名词：具有……的（= be + adj.） 4.no matter + wh-词：无论……（让步状语从句） 5.介词 + which：通过/在……（正式定语从句） 课堂小结 每个句式造一个句子，围绕 Unit 5 Languages Around the World 的主题。 课后作业： $