Unit2 第4课时 Section A (4a-4c)课件2026-2027学年人教版九年级英语上册

该初中英语课件聚焦it形式主语句型（of/for sb. to do sth.及that从句），课堂导入通过V-ing、不定式、完整句子作主语的对比，引出“头重脚轻”问题，搭建从已知主语形式到it形式主语的学习支架，帮助学生理解句型功能。 其亮点在于结合张骞、袁隆平中外伟人故事，通过语篇填空和例题引导学生独立总结语法规则，体现文化意识与学习能力。小结系统分类形容词及句型，分层作业适配不同学生，学生能提升语言运用与逻辑评价能力，教师可高效落实教学目标。

Unit 2 Inspiring People Section A Who do we admire? 第4课时 (4a-4c) Teaching Objectives 1.Language Competence Master three it-form subject structures; use adjectives to comment on great people’s deeds. 2.Cultural Awareness Learn stories of Chinese and foreign great figures; carry on their valuable spirits. 3.Thinking Quality Distinguish the usage of for and of; evaluate historical figures logically. 4.Learning Ability Summarize grammar rules independently; practise sentence rewriting and passage filling. 目录 词汇学习 Vocabulary 课堂导入 Lead in 新知学习 Knowledge 巩固练习题 Exercise 课堂小结 Summary 分层课后作业 Homework VOCABULARY 1.necessary /ˈnesəsəri/adj. 必要的；必需的 词根 cess（行走），前缀 ne-（否定），后缀 - ary（形容词后缀） →不能离开、少不了的→必要的 2.seed /siːd/n. 种子 3.childhood /ˈtʃaɪldhʊd/n. 童年 child /tʃaɪld/（孩子）+ 后缀 - hood（表阶段、时期）→孩童时期 4.dynasty /ˈdɪnəsti; ˈdaɪnəsti/n. 朝代；王朝 词根 dyn（统治、权势），后缀 - asty（制度体系） →掌权统治的世代体系→王朝 5.western /ˈwestən/adj. 西方的；西部的 west /west/（西方）+ 后缀 - ern（表方位形容词）→西方的 6.come true 实现；成为现实（短语） TRANSLATE： In my childhood, I sowed a seed to learn western history of old dynasties, which made me realize it is necessary to let my dream come true. 中文翻译 童年时我埋下一颗种子去学习各古老王朝的西方历史，这让我明白实现梦想是十分必要的。 LEAD IN Exercising keeps you healthy. To keep exercising keeps you healthy. That you keep exercising keeps you healthy. V-ing 作主语 To do不定式 作主语 一个完整的句子 作主语 头重脚轻 it ？ 例题1:He was great. He developed a new kind of rice and helped reduce hunger. 把两个句子合成一个。 . 变式1： He is really very nice. He supports and encourages my exchange study here. 把两个句子合成一个。 . →It’s really very nice of him to support and encourage my exchange study here →It was great of him to develop a new kind of rice and help reduce hunger. 适用形容词： 描述人的性格、品德（brave, wise, nice, kind, honest, polite） 例题2： ①For her， ②to do that kind of work back in those days was difficult. →It was difficult for her to do that kind of work back in those days. 变式2： ①For him, ②to keep going in life is always important. →It is always important for him to keep going in life. 主语 → it 时间状语 时间状语 适用形容词：描述做某事的难易、客观属性（necessary, important, helpful, difficult, amazing, interesting, wonderful） 例题1: He did research in physics and chemistry. It was amazing. even though he didn’t receive a formal education. 把三个句子合成一个。 . 变式1: He designed machines and tools. It was unbelievable. even though he lacked official schooling. . that 陈述句 让步状语从句 It was amazing that he did research in physics and chemistry even though he didn’t receive a formal education It was unbelievable that he designed machines and tools even though he lacked official schooling. 陈述句 that it 作形式主语，真正主语是后面完整句子 that 从句， 多用于描述一件事带给人的感受。 KNOWLEDGE 4a It was great of …………… to develop a new kind of rice and help reduce hunger. It was amazing that …………… did research in physics and chemistry even though … It was difficult for … to do that kind of work back in those days. It’s really very nice of ……………… to support and encourage … It is always important (for ………………) to keep going in life. Read the sentences. Complete each sentence with a person you know of. Yuan Longping Michael Faraday he didn’t receive a formal education. Marie Curie Adam’s father his exchange study there. Sima Qian 4b Rewrite each sentence using the words in brackets. 1. We listen to our teacher’s advice. (helpful / necessary / important) → It is helpful / necessary / important for us to listen to our teacher’s advice. 2. Tall trees can grow from tiny seeds. (amazing / interesting / wonderful) → It is __________________________________________________________ 3. Confucius said that we should treat our elders with respect. (wise) → It was wise of ____________________________________________________ amazing / interesting / wonderful that tall trees can grow from tiny seeds. Confucius to say that we should treat our elders with respect. 4. Professor Gui’s childhood dream of becoming a space scientist came true through his efforts and hard work. (inspiring) → It was inspiring that ________________________________________________ _______________________________________________ 5. Victor Hugo stood up for the common people he cared about. (brave) → It was brave of ____________________________________________________ Professor Gui’s childhood dream of becoming a space scientist came true through his efforts and hard work. Victor Hugo to stand up for the common people he cared about. 维克多・雨果 4c Complete the passage with the correct sentence parts. A. It is important for us B. It was really brave and admirable C. It is always inspiring D. It seemed impossible for him ______ to read about great people and learn their stories. Recently, I read about Zhang Qian, the pioneer of the famous Silk Road. In order to help defeat his enemies, Emperor Wu of the Han Dynasty sent Zhang Qian to find the Yuezhi people. Unfortunately, Zhang Qian was caught by the enemy. ______ to finish his task or to return home. C D However, around 10 years later, he got a chance to run away, and he finally succeeded in finding the Yuezhi people. ______ that he never forgot his task, and his travel also brought back valuable information about the Western Regions. Later, he was sent to these places again to build relationships. Stories like this give us power and inspiration. ______ to understand the past and find ways to do more for a better future. B A A. It is important for us B. It was really brave and admirable C. It is always inspiring D. It seemed impossible for him Zhang Qian the pioneer of the famous Silk Road to find the Yuezhi people was caught by the enemy got a chance to run away Emperor Wu was sent to these places again around 10 years later In what ways do you find Zhang Qian inspiring? Give your reasons. Zhang Qian inspires me in four ways. He never gave up even when it seemed impossible for him to finish his task or to return home – but he finally succeeded. He was really brave and admirable because he never forgot his task. His travel brought back valuable information about the Western Regions. His story gives us power and inspiration. EXERCISE 一、用 of /for 填空 It is kind ______ Lily to help old people. It is difficult ______ me to learn western history. It is wise ______ Zhang Qian to keep his task in mind. It is important ____ students to hold on to their childhood dreams. 二、用 It is + adj. + that 改写句子 1.Yuan Longping helped cut hunger. It is amazing. → It is amazing that Yuan Longping helped cut hunger. 2.My dream of being a scientist came true. It is inspiring. → It is inspiring that my dream of being a scientist came true. of for of for SUMMARY 核心知识总结 （一） it 形式主语句型（本课重点） 句型 1：It is + adj. + of sb. to do sth. 适用形容词：描述人的性格、品德（brave, wise, nice, kind, honest, polite） 句型 2：It is + adj. + for sb. to do sth. 适用形容词：描述做某事的难易、客观属性（necessary, important, helpful, difficult, amazing, interesting, wonderful） 句型 3：It is + adj. + that 从句 it 作形式主语，真正主语是后面完整句子 that 从句，多用于描述一件事带给人的感受。 例：It was inspiring that Professor Gui’s childhood dream came true. （二）本课核心形容词分类 1.接 of（品质性格）： wise, nice, brave 2.接 for（客观事情）： necessary, important, helpful, amazing, interesting, wonderful, difficult 3.用于 that 从句：inspiring, amazing （三）重点短语回顾（本页单词） necessary /ˈnesəsəri/adj. 必要的；必需的 seed /siːd/n. 种子 childhood /ˈtʃaɪldhʊd/n. 童年 come true 实现；成为现实 dynasty /ˈdɪnəsti/n. 朝代；王朝 western /ˈwestən/adj. 西方的；西部的 HOMEWORK A 层（基础层・学困生） 1.背诵 3 个核心句型： It’s + adj. for sb. to do / It’s + adj. of sb. to do / It’s + adj. that… 2.抄写 4b 全部改写句子，每个句子抄写 2 遍并标注中文翻译； B 层（提升层・中等生） 整理笔记本：区分 for/of 句型形容词清单，各摘抄 5 个； 仿写 5 个句子， 包含至少 2 个 of 句型、2 个 for 句型、1 个 that 句型； 3.熟读 4c 张骞短文，口头复述大意。 C 层（拓展层・优等生） 小短文写作（60 词左右）： 介绍一位你敬佩的伟人，必须用到本课 3 种 it 形式主语句型； 2.自主搜集 1 个中外名人故事， 准备下节课口头分享，全程使用目标语法造句。 $