Unit 1 课时2 Section A 2a-3d（知识清单）英语新教材人教版九年级上册

该初中英语知识清单聚焦Unit 1 The Changing World Section A 2a-3d核心内容。先系统梳理21个必背词汇，涵盖环境（如sandstorm、farmland）、科技（如high-tech、e-payment）等主题，再围绕10个必会考点展开语法知识，包括amazed/amazing等形容词辨析、yet/already副词用法、decide/provide等动词搭配及It’s + adj. + (for/of sb.) to do sth.句型，形成从词汇积累到语法应用的学习支架。 知识链路以主题词汇为基础，通过对比（如amazed与amazing）、易混词辨析（如already与yet）构建语法知识联系，每个考点配中考例句和即学即练习题，结合易错错题整理强化应用。注重思维品质培养，通过辨析和拓展提升语言理解与表达能力，助力学生掌握科学学习方法，符合语言能力和学习能力的核心素养要求。

Unit 1 The Changing World Unit 1 Section A 2a-3d核心知识梳理 一、必背词汇 ( 1 / 11 )学科网（北京）股份有限公司 学科网（北京）股份有限公司 1.沙尘暴（名词）：sandstorm 2.短缺（名词）：shortage 3.耕地（名词）：farmland 4.缺乏（名词）：lack 5.灌木（名词）：bush 6.根（名词）：root 7.土壤（名词）：soil 8.铺满沙子的；含沙的（形容词）：sandy 9.政府（名词）：government 10.支持（名词 & 动词）：support 11.玉米；谷物（名词）：corn 12.高科技的（形容词）：high-tech 13.温室（名词）：greenhouse 14.公路（名词）：highway 15.铁路（名词）：railway 16.向往的地方；吸引力（名词）：attraction 17.产品（名词）：product 18.大大地；非常（副词）：greatly 19.社会主义的（形容词）；社会主义者（名词）：socialist 20.电子支付（名词）：e-payment 21.住房；住宅（名词）：housing 1.沙尘暴（名词）：__________________ 2.短缺（名词）：__________________ 3.耕地（名词）：__________________ 4.缺乏（名词）：__________________ 5.灌木（名词）：__________________ 6.根（名词）：__________________ 7.土壤（名词）：__________________ 8.铺满沙子的；含沙的（形容词）：__________________ 9.政府（名词）：__________________ 10.支持（名词 & 动词）：__________________ 11.玉米；谷物（名词）：__________________ 12.高科技的（形容词）：__________________ 13.温室（名词）：__________________ 14.公路（名词）：__________________ 15.铁路（名词）：__________________ 16.向往的地方；吸引力（名词）：__________________ 17.产品（名词）：__________________ 18.大大地；非常（副词）：__________________ 19.社会主义的（形容词）；社会主义者（名词）：__________________ 20.电子支付（名词）：__________________ 21.住房；住宅（名词）：__________________ 二、必会考点 ( 2 / 11 )学科网（北京）股份有限公司 学科网（北京）股份有限公司 1.I'm amazed by how green your hometown has become!你的家乡变得绿意盎然，让我惊叹不已！ （1）amazed（adj.）：感到惊奇的；感到惊讶的​ 词性：形容词，用于描述 “人” 的感受，强调 “人因某事而感到惊讶”，常与介词 “at” 或 “by” 搭配。​ I was amazed at the size of the elephant.（我对大象的体型感到惊讶。） She was amazed by the unexpected gift. （她对这份意想不到的礼物感到惊讶。） amazing 词义及用法： 用于形容自然景观、物品、事件等让人眼前一亮、超出预期。​ The amazing waterfall attracts thousands of visitors every year.（这条令人惊叹的瀑布每年吸引成千上万的游客。） 用于称赞某人的动作、技能或成就 “让人佩服、惊讶”。​ She made an amazing speech at the meeting—everyone was impressed.（她在会议上做了一场精彩的演讲，所有人都印象深刻。） amaze（v.）：使惊奇；使惊叹​ 主语多为 “事物”，宾语多为 “人”，表示 “某物让某人感到惊讶”。​ The beautiful view amazed all of us. （美丽的景色让我们所有人都惊叹不已。） His talent for music amazed his teachers. （他的音乐天赋让老师们感到惊讶。）​ amazement（n.）：惊奇；惊讶​ 常用短语 “in amazement”（惊讶地）。​ We looked at each other in amazement when we heard the news.（听到这个消息时，我们惊讶地对视了一眼。） To my amazement, he finished the task in 10 minutes. （令我惊讶的是，他十分钟就完成了任务。） 【即学即练】​ 用 amazing/amaze/amazed/amazement 填空​ 1. The __________ news made everyone jump with joy. 2. We were _________ when we heard that our team won the game. 3. The magician’s tricks _______ all the children in the audience. 4. To my _______, my little sister learned to ride a bike in one day. 5. This is the most _______ book I’ve ever read—I couldn’t put it down. 【参考答案】1. amazing 2. amazed 3. amazed 4. amazement 5. amazing 【拓展】amazing 与 amazed 的核心区别 amazing表示 “令人惊叹的、令人惊奇的”，用于描述事物本身具有让人惊讶的特质，主语通常是物。 The amazing view surprised us.（这令人惊叹的景色让我们很惊讶。） amazed表示 “感到惊讶的”，用于描述人的感受，主语通常是人。 We were amazed by the view.（我们对这儿的景色感到惊讶。） 类似的 “-ing/-ed” 形容词对比 这类形容词通常由动词变化而来，-ing 形式描述事物的性质（“令人……的”），-ed 形式描述人的感受（“感到……的”）。 interesting / interested interesting：令人感兴趣的（修饰物） The book is interesting.（这本书很有趣。） interested：感到感兴趣的（修饰人） I'm interested in the book.（我对这本书感兴趣。） exciting / excited exciting：令人兴奋的（修饰物） The game is exciting.（这场比赛很刺激。） excited：感到兴奋的（修饰人） We are excited about the game.（我们对这场比赛感到兴奋。） boring / bored boring：令人厌烦的（修饰物） The movie is boring.（这部电影很无聊。） bored：感到厌烦的（修饰人） I feel bored watching the movie.（看这部电影我感到无聊。） tiring / tired tiring：令人疲倦的（修饰物） The trip is tiring.（这次旅行很累人。） tired：感到疲倦的（修饰人） We are tired after the trip.（旅行后我们感到很累。） surprising / surprised surprising：令人惊讶的（修饰物） The news is surprising.（这个消息很令人惊讶。） surprised：感到惊讶的（修饰人） She is surprised at the news.（她对这个消息感到惊讶。） 【即学即练】 1.The children were _______ (excite) when they heard the good news. 2.This is an _______ (interest) story that everyone likes. 3.I felt _______ (bore) because the lecture was too long. 4.It's _______ (surprise) that he finished the work in 10 minutes. 5.After a _______ (tire) day, she went to bed early. 6.The _______ (amaze) result made all of us cheer. 7.We are _______ (interest) in learning English. 8.The _______ (excite) game kept us awake all night. 【参考答案】 1. excited 2. interesting 3. bored 4. surprising 5. tiring 6. amazing 7. interested 8. exciting 2.Have you seen the corn fields outside of the town yet?你去过镇外的玉米地看过了吗？ ①corn n.玉米 用法：不可数名词 固定搭配：corn fields 玉米地；in the field 在田野里 中考例句：Farmers grow lots of corn in autumn. ②yet adv.｜还，仍然 【易混辨析】yet与already yet 意为“还；已经”，一般用于 否定 句或 疑问 句中，通常放在句 末 （中/末） already 意为“已经；早已”，通常用于 肯定 句中 Eg.Have you seen the film yet? 你已经看过那部电影了吗？ We have already got everything ready. 我们已经准备好了一切。 【拓展延伸】not yet意为“尚未；还没有”，常用作对现在完成时一般疑问句的否定回答。 Eg.—Have you finished reading the new book? 你读完这本新书了吗？ —Not yet. 还没有。 【即学即练】 1.Farmers grow lots of _______ (corn) in the fields every year. 2.I have _______ (already) finished my homework. 3.Have you visited the corn fields _______ (yet)? 4.We have _______ (already) seen many _______ (corn) plants on the farm. 5.He hasn’t picked any _______ (corn) _______ (yet). 【参考答案】1.corn 2.already 3.yet 4.already; corn 5.corn; yet 3.We decided to do something.我们决定采取行动。 decide v.决定 【知识点拓展】 词形变换：过去式 decided；名词 decision decide的名词形式为decision，make a decision意为“做决定”，decide to do sth.＝make a decision to do sth.＝make up one’s mind to do sth.意为“决定做某事”。 中考例句：She decided to visit her grandparents this weekend. 【即学即练】 1.He _______ (decide) to visit his hometown last summer. 2.You need _______ (decide) where you will go for your trip. 3.It is a difficult _______ (decide) for him to give up the plan. 4.My parents can’t _______ (decide) which house to buy. 5.She has made a _______ (decide) to improve her English. 【参考答案】1.decided 2.to decide 3.decision 4.decide 5.decision 4.The government provided support too.政府也提供了扶持。 provide v.提供 【知识点拓展】 词形变换：过去式 provided 必考搭配：provide sb. with sth. = provide sth. for sb. 为某人提供某物 中考例句：Schools provide students with free books. 如： ①The government has worked for years to support the homeless. 政府多年来一直致力于帮助无家可归者。 ②Only a few people spoke in support of the decision. 只有几个人表示支持这个决定。 【即学即练】 1.The government _______ (provide) help for poor farmers ten years ago. 2.Many volunteers _______ (provide) children with books every year. 3.We need your _______ (support) to finish this project. 4.Schools should _______ (support) students to develop their hobbies. 5.The local hospital _______ (provide) free medicine and gets lots of _______ (support). 【参考答案】 1.provided 2.provide 3.support 4.support 5.provides；support 5.It has also improved our lives.这也改善了我们的生活。 improve v.改善，改进 【知识点拓展】 词形变换：过去分词 improved；名词 improvement 固定搭配：improve one’s life 改善生活；improve English 提高英语水平 中考例句：Reading can improve your writing skills. 【即学即练】 1.He _______ (improve) his English a lot since last term. 2.You can _______ (improve) your skills by practicing every day. 3.We all hope for the _______ (improve) of our living conditions. 4.The environment _______ (improve) greatly over the past ten years. 5.Taking exercise helps _______ (improve) your health. 【参考答案】 1.has improved 2.improve 3.improvement 4.has improved 5.improve 6.Everyone has become richer and happier.所有人都变得更加富裕、更加幸福。 ①everyone pron.每人，所有人 【知识点拓展】 辨析：everyone（只能指人）；everything（指事物） 语法考点：everyone 作主语，谓语动词用单数 中考例句：Everyone wants to live a happy life. ②rich adj.富裕的 【知识点拓展】 词形变换：比较级 richer；最高级 richest 固定搭配：be rich in… 富含……；盛产…… 中考例句：People in this village become richer than before. 【即学即练】 1._______ (everyone) in the village is living a much _______ (rich) life than before. 2.We hope _______ (everyone) will become _______ (rich) in the future. 3.Compared with 10 years ago, people here are much _______ (rich). 4.Not _______ (everyone) can become _______ (rich) quickly. 5.The land is _______ (rich) in fruit, so _______ (everyone) makes money. 【参考答案】1.Everyone; richer 2.everyone; richer 3.richer 4.everyone; rich 5.rich; everyone 7.I grow tons of fruit and vegetables, and sell them in large cities.我种植大量水果蔬菜，把它们销往各大城市。 grow v.种植；生长 【知识点拓展】 词形变换：过去式 grew；过去分词 grown 词义区分：grow plants 种植植物；grow up 长大 中考例句：Farmers grow wheat in spring. ton n.吨 【知识点拓展】 词形变换：复数 tons 固定短语：tons of 大量，许多 中考例句：There are tons of books in the library. sell v.售卖，出售 【知识点拓展】 词形变换：过去式 sold；过去分词 sold 固定搭配：sell sth. in… 在某地售卖某物 中考例句：They sell fresh fruit in the market. 【即学即练】 1.Farmers _______ (grow) fruit and vegetables and _______ (sell) them in big cities. 2.There are _______ (ton) of fresh apples on this farm. 3.He _______ (grow) rice when he was young and _______ (sell) it at the market. 4.We _______ (grow) lots of vegetables and have _______ (ton) of them to _______ (sell). 5.You can _______ (grow) flowers and _______ (sell) them to make money. 【参考答案】1.grow; sell 2.tons 3.grew; sold 4.grow; tons; sell 5.grow; sell 一、易混词辨析 1. already / yet already ✅多用于肯定句，放在助动词之后；表示 “已经” yet ✅多用于疑问句、否定句，常放句末；译为 “还” ❌易错：肯定句不能随意用 yet 例句： I have already seen the corn fields. Have you seen the corn fields yet? 2. hunger (n.) / hungry (adj.) hunger n. 饥饿 hungry adj. 饥饿的 易错区分：名词放动词后；形容词修饰人 例：help reduce hunger；feel hungry 二、中考必考句型：It’s +adj. + (for/of sb.) to do sth. ✅ It’s + adj. for sb. to do sth. 形容词描述事情难易、重要性（important, difficult, necessary） 例：It’s important for us to keep going. ✅ It’s + adj. of sb. to do sth. 形容词形容人的品质（great, kind, clever） 例：It was great of him to develop new rice. 💡判断口诀：能转换成 Sb. be adj. 就用 of ❌易错错题：It’s important of us to learn.（错误，改为 for） 三、典型易错错题整理（避坑） ❌ He decide to grow rice. ✅ He decided to grow rice. ❌ It’s important of him to reduce hunger. ✅ It’s important for him to reduce hunger. ❌ I haven’t already visited the town. ✅ I haven’t visited the town yet. ❌ many support ✅ much support / lots of support ❌ develop our living conditions ✅ improve our living conditions $Unit 1 The Changing World Unit 1 Section A 2a-3d核心知识梳理 一、必背词汇 ( 1 / 11 )学科网（北京）股份有限公司 学科网（北京）股份有限公司 1.沙尘暴（名词）：sandstorm 2.短缺（名词）：shortage 3.耕地（名词）：farmland 4.缺乏（名词）：lack 5.灌木（名词）：bush 6.根（名词）：root 7.土壤（名词）：soil 8.铺满沙子的；含沙的（形容词）：sandy 9.政府（名词）：government 10.支持（名词 & 动词）：support 11.玉米；谷物（名词）：corn 12.高科技的（形容词）：high-tech 13.温室（名词）：greenhouse 14.公路（名词）：highway 15.铁路（名词）：railway 16.向往的地方；吸引力（名词）：attraction 17.产品（名词）：product 18.大大地；非常（副词）：greatly 19.社会主义的（形容词）；社会主义者（名词）：socialist 20.电子支付（名词）：e-payment 21.住房；住宅（名词）：housing 1.沙尘暴（名词）：__________________ 2.短缺（名词）：__________________ 3.耕地（名词）：__________________ 4.缺乏（名词）：__________________ 5.灌木（名词）：__________________ 6.根（名词）：__________________ 7.土壤（名词）：__________________ 8.铺满沙子的；含沙的（形容词）：__________________ 9.政府（名词）：__________________ 10.支持（名词 & 动词）：__________________ 11.玉米；谷物（名词）：__________________ 12.高科技的（形容词）：__________________ 13.温室（名词）：__________________ 14.公路（名词）：__________________ 15.铁路（名词）：__________________ 16.向往的地方；吸引力（名词）：__________________ 17.产品（名词）：__________________ 18.大大地；非常（副词）：__________________ 19.社会主义的（形容词）；社会主义者（名词）：__________________ 20.电子支付（名词）：__________________ 21.住房；住宅（名词）：__________________ 二、必会考点 ( 2 / 11 )学科网（北京）股份有限公司 学科网（北京）股份有限公司 1.I'm amazed by how green your hometown has become!你的家乡变得绿意盎然，让我惊叹不已！ （1）amazed（adj.）：感到惊奇的；感到惊讶的​ 词性：形容词，用于描述 “人” 的感受，强调 “人因某事而感到惊讶”，常与介词 “at” 或 “by” 搭配。​ I was amazed at the size of the elephant.（我对大象的体型感到惊讶。） She was amazed by the unexpected gift. （她对这份意想不到的礼物感到惊讶。） amazing 词义及用法： 用于形容自然景观、物品、事件等让人眼前一亮、超出预期。​ The amazing waterfall attracts thousands of visitors every year.（这条令人惊叹的瀑布每年吸引成千上万的游客。） 用于称赞某人的动作、技能或成就 “让人佩服、惊讶”。​ She made an amazing speech at the meeting—everyone was impressed.（她在会议上做了一场精彩的演讲，所有人都印象深刻。） amaze（v.）：使惊奇；使惊叹​ 主语多为 “事物”，宾语多为 “人”，表示 “某物让某人感到惊讶”。​ The beautiful view amazed all of us. （美丽的景色让我们所有人都惊叹不已。） His talent for music amazed his teachers. （他的音乐天赋让老师们感到惊讶。）​ amazement（n.）：惊奇；惊讶​ 常用短语 “in amazement”（惊讶地）。​ We looked at each other in amazement when we heard the news.（听到这个消息时，我们惊讶地对视了一眼。） To my amazement, he finished the task in 10 minutes. （令我惊讶的是，他十分钟就完成了任务。） 【即学即练】​ 用 amazing/amaze/amazed/amazement 填空​ 1. The __________ news made everyone jump with joy. 2. We were _________ when we heard that our team won the game. 3. The magician’s tricks _______ all the children in the audience. 4. To my _______, my little sister learned to ride a bike in one day. 5. This is the most _______ book I’ve ever read—I couldn’t put it down. 【拓展】amazing 与 amazed 的核心区别 amazing表示 “令人惊叹的、令人惊奇的”，用于描述事物本身具有让人惊讶的特质，主语通常是物。 The amazing view surprised us.（这令人惊叹的景色让我们很惊讶。） amazed表示 “感到惊讶的”，用于描述人的感受，主语通常是人。 We were amazed by the view.（我们对这儿的景色感到惊讶。） 类似的 “-ing/-ed” 形容词对比 这类形容词通常由动词变化而来，-ing 形式描述事物的性质（“令人……的”），-ed 形式描述人的感受（“感到……的”）。 interesting / interested interesting：令人感兴趣的（修饰物） The book is interesting.（这本书很有趣。） interested：感到感兴趣的（修饰人） I'm interested in the book.（我对这本书感兴趣。） exciting / excited exciting：令人兴奋的（修饰物） The game is exciting.（这场比赛很刺激。） excited：感到兴奋的（修饰人） We are excited about the game.（我们对这场比赛感到兴奋。） boring / bored boring：令人厌烦的（修饰物） The movie is boring.（这部电影很无聊。） bored：感到厌烦的（修饰人） I feel bored watching the movie.（看这部电影我感到无聊。） tiring / tired tiring：令人疲倦的（修饰物） The trip is tiring.（这次旅行很累人。） tired：感到疲倦的（修饰人） We are tired after the trip.（旅行后我们感到很累。） surprising / surprised surprising：令人惊讶的（修饰物） The news is surprising.（这个消息很令人惊讶。） surprised：感到惊讶的（修饰人） She is surprised at the news.（她对这个消息感到惊讶。） 【即学即练】 1.The children were _______ (excite) when they heard the good news. 2.This is an _______ (interest) story that everyone likes. 3.I felt _______ (bore) because the lecture was too long. 4.It's _______ (surprise) that he finished the work in 10 minutes. 5.After a _______ (tire) day, she went to bed early. 6.The _______ (amaze) result made all of us cheer. 7.We are _______ (interest) in learning English. 8.The _______ (excite) game kept us awake all night. 2.Have you seen the corn fields outside of the town yet?你去过镇外的玉米地看过了吗？ ①corn n.玉米 用法：不可数名词 固定搭配：corn fields 玉米地；in the field 在田野里 中考例句：Farmers grow lots of corn in autumn. ②yet adv.｜还，仍然 【易混辨析】yet与already yet 意为“还；已经”，一般用于 否定 句或 疑问 句中，通常放在句 末 （中/末） already 意为“已经；早已”，通常用于 肯定 句中 Eg.Have you seen the film yet? 你已经看过那部电影了吗？ We have already got everything ready. 我们已经准备好了一切。 【拓展延伸】not yet意为“尚未；还没有”，常用作对现在完成时一般疑问句的否定回答。 Eg.—Have you finished reading the new book? 你读完这本新书了吗？ —Not yet. 还没有。 【即学即练】 1.Farmers grow lots of _______ (corn) in the fields every year. 2.I have _______ (already) finished my homework. 3.Have you visited the corn fields _______ (yet)? 4.We have _______ (already) seen many _______ (corn) plants on the farm. 5.He hasn’t picked any _______ (corn) _______ (yet). 3.We decided to do something.我们决定采取行动。 decide v.决定 【知识点拓展】 词形变换：过去式 decided；名词 decision decide的名词形式为decision，make a decision意为“做决定”，decide to do sth.＝make a decision to do sth.＝make up one’s mind to do sth.意为“决定做某事”。 中考例句：She decided to visit her grandparents this weekend. 【即学即练】 1.He _______ (decide) to visit his hometown last summer. 2.You need _______ (decide) where you will go for your trip. 3.It is a difficult _______ (decide) for him to give up the plan. 4.My parents can’t _______ (decide) which house to buy. 5.She has made a _______ (decide) to improve her English. 4.The government provided support too.政府也提供了扶持。 provide v.提供 【知识点拓展】 词形变换：过去式 provided 必考搭配：provide sb. with sth. = provide sth. for sb. 为某人提供某物 中考例句：Schools provide students with free books. 如： ①The government has worked for years to support the homeless. 政府多年来一直致力于帮助无家可归者。 ②Only a few people spoke in support of the decision. 只有几个人表示支持这个决定。 【即学即练】 1.The government _______ (provide) help for poor farmers ten years ago. 2.Many volunteers _______ (provide) children with books every year. 3.We need your _______ (support) to finish this project. 4.Schools should _______ (support) students to develop their hobbies. 5.The local hospital _______ (provide) free medicine and gets lots of _______ (support). 5.It has also improved our lives.这也改善了我们的生活。 improve v.改善，改进 【知识点拓展】 词形变换：过去分词 improved；名词 improvement 固定搭配：improve one’s life 改善生活；improve English 提高英语水平 中考例句：Reading can improve your writing skills. 【即学即练】 1.He _______ (improve) his English a lot since last term. 2.You can _______ (improve) your skills by practicing every day. 3.We all hope for the _______ (improve) of our living conditions. 4.The environment _______ (improve) greatly over the past ten years. 5.Taking exercise helps _______ (improve) your health. 6.Everyone has become richer and happier.所有人都变得更加富裕、更加幸福。 ①everyone pron.每人，所有人 【知识点拓展】 辨析：everyone（只能指人）；everything（指事物） 语法考点：everyone 作主语，谓语动词用单数 中考例句：Everyone wants to live a happy life. ②rich adj.富裕的 【知识点拓展】 词形变换：比较级 richer；最高级 richest 固定搭配：be rich in… 富含……；盛产…… 中考例句：People in this village become richer than before. 【即学即练】 1._______ (everyone) in the village is living a much _______ (rich) life than before. 2.We hope _______ (everyone) will become _______ (rich) in the future. 3.Compared with 10 years ago, people here are much _______ (rich). 4.Not _______ (everyone) can become _______ (rich) quickly. 5.The land is _______ (rich) in fruit, so _______ (everyone) makes money. 7.I grow tons of fruit and vegetables, and sell them in large cities.我种植大量水果蔬菜，把它们销往各大城市。 grow v.种植；生长 【知识点拓展】 词形变换：过去式 grew；过去分词 grown 词义区分：grow plants 种植植物；grow up 长大 中考例句：Farmers grow wheat in spring. ton n.吨 【知识点拓展】 词形变换：复数 tons 固定短语：tons of 大量，许多 中考例句：There are tons of books in the library. sell v.售卖，出售 【知识点拓展】 词形变换：过去式 sold；过去分词 sold 固定搭配：sell sth. in… 在某地售卖某物 中考例句：They sell fresh fruit in the market. 【即学即练】 1.Farmers _______ (grow) fruit and vegetables and _______ (sell) them in big cities. 2.There are _______ (ton) of fresh apples on this farm. 3.He _______ (grow) rice when he was young and _______ (sell) it at the market. 4.We _______ (grow) lots of vegetables and have _______ (ton) of them to _______ (sell). 5.You can _______ (grow) flowers and _______ (sell) them to make money. 一、易混词辨析 1. already / yet already ✅多用于肯定句，放在助动词之后；表示 “已经” yet ✅多用于疑问句、否定句，常放句末；译为 “还” ❌易错：肯定句不能随意用 yet 例句： I have already seen the corn fields. Have you seen the corn fields yet? 2. hunger (n.) / hungry (adj.) hunger n. 饥饿 hungry adj. 饥饿的 易错区分：名词放动词后；形容词修饰人 例：help reduce hunger；feel hungry 二、中考必考句型：It’s +adj. + (for/of sb.) to do sth. ✅ It’s + adj. for sb. to do sth. 形容词描述事情难易、重要性（important, difficult, necessary） 例：It’s important for us to keep going. ✅ It’s + adj. of sb. to do sth. 形容词形容人的品质（great, kind, clever） 例：It was great of him to develop new rice. 💡判断口诀：能转换成 Sb. be adj. 就用 of ❌易错错题：It’s important of us to learn.（错误，改为 for） 三、典型易错错题整理（避坑） ❌ He decide to grow rice. ✅ He decided to grow rice. ❌ It’s important of him to reduce hunger. ✅ It’s important for him to reduce hunger. ❌ I haven’t already visited the town. ✅ I haven’t visited the town yet. ❌ many support ✅ much support / lots of support ❌ develop our living conditions ✅ improve our living conditions $