Unit 2 语法 it 做形式主语 2026-2027学年人教版英语九年级上册

该初中英语导学案聚焦新人教九上U2核心语法，涵盖“It is/was adj.(+for/of sb)+to do sth.”和“It is/was...that 从句”两大句型，通过对比简单句“头重脚轻”现象导入形式主语it的用法，搭建从基础句型到逻辑主语分析、句型转换的学习支架。 资料亮点在于多样化分层练习设计，包含语法填空、句子翻译、阅读等题型，结合语境巩固语法知识提升语言能力。通过for/of用法对比、that从句转换等培养思维品质，助力学生掌握学习策略，提升自主学习效率。

新人教九上单元语法 U2语法：It is/was ad山j.(+for/of sb)十to do sth 1、"Itis/was+ad.+to do sth."意为"做某事是..的"，是固定句式，其中it为形式 主语，真正的主语是后面的动词不定式（短语）。因为真正的主语较长，而谓语部 分相对较短，所以用t作形式主语，以避免"头重脚轻”。 I think it's important to sleep eight hours a day.我认为每天睡8个小时很重要。 2、在句型"Itis/was+ad.+for/ofsb+to do sth."中，sb为动词不定式to do sth的逻 辑主语。二者的具体用法为： It 意为"对某人来说，做某事是.的"；该句型中的形容词表示事物 is/was+ad.j+ 所具备的特征或客观情况。常见的形容词有 for sb+to do cheap,convenient,dangerous,difficult sth easy,exciting,expensive,important,interesting,necessary,possible,usefu l,wonderful等，for后的sb与后面的动词不定式（短语）之间存 在逻辑上的主谓关系，即sb是to do sth的逻辑主语。 It 意为"某人做某事是..的"：该句型中的形容词描述的是人的特 is/was+adj.+ 征、品质等。常见的形容词有 of sb+to do brave,careless,clever,foolish,good,helpful,honest,kind.nice sth polite,silly,stupid,wrong等，of后的sb与后面的动词不定式（短 语)之间存在逻辑上的主谓关系，一般都可以转换成一个of后的 宾语充当主语的句子。 It's necessary for the students to do eye exercises twice a day.对学生们来说一天 做两次眼保健操是有必要的。 It is kind of you to share some good ideas with me =You are kind to share some good ideas with me. 你真好，和我分享一些好主意。 It is/was..that从句. "Itis/was..that从句."意为".…是.的"，是固定句式，其中it为形式主语， that从句为真正的主语。当that后的从句较长时，为避免句子结构出现"头重脚 轻"的情况，通常会使用t作形式主语，而将真正的主语（即that从句）后置。 常见的结构主要有以下几种： 1、Itis/was+形容词+that从句. 用于表达"…是…的"， 常见的形容词 impo1tant,necessary,possible,.clear,strange等，that从句说明导致该形容词状态的原 因或相关情况。 It is important that we keep healthy.我们保持健康是很重要的。 It is necessary that you arrive on time.你准时到达是有必要的。 【注意】当形容词表示"重要，必要，奇怪"等含义时，hat从句中的谓语动 词常用"(should+-)动词原形"，should可省略。 It is strange that she(should)know me.很奇怪她竟然认识我。 2、Itis/was+名词（短语）+hat从句 用于表达".…是一件的事"。常见名词短语有apity,a fact,.a shame,good news,no wonder等。that从句作为真正的主语对前面的名词（短语）进行解释说 明。 It is a pity that you missed the concert.很遗憾你错过了那场音乐会。 It is no wonder that he is so tired-he worked all night.难怪他这么累，他工作了 一整晚。 3、Itis/was+过去分词+hat从句 用于表达"据说/据报道/据认为"，这类结构常用来转述信息。常见的过去分 词有said,reported,believed,known,suggested It is said that he has won first prize.据说他获得了一等奖。 It was reported that the accident happened at midnight.据报道，事故发生在午 夜。 课后练习 一.单句语法填空。 1.It's necessary for us to protect (protect)the ancient and traditional folk art forms in our hometown. 2.It's a good habit to review (review)what we have learned every day. 3.It's a tradition to admire (admire)the full moon at the Mid-Autumn Festival. 2 4.It is also a good idea to read (read)the first sentence of each paragraph before you read the whole text. 5.It's a shame to cheat in the exam.We must follow the rules and be honest.(cheat) 6. It's a pity to say goodbye to my dearest friend.I hope we will see each other soon.(say) 7. It is a pity that many wild animals are in danger. 8.It's very kind of _you to help (help)others when they're in need. 9.It seemed that everyone is ready for the trip. 10.It is necessary for us to master(master)basic grammar rules. 11.It is clear that everyone should respect teachers. 12.It is reported (report)that reading benefits teenagers a lot. 13.It's polite of you to show (show)respect to every hard-working teacher. 二.句子翻译。 1.能与各位分享英语学习的经验，我深感荣幸。 2.你总能耐心为同学讲解难题，实在十分友善。 3.人们认为坚持英语课外阅读能显著提升阅读理解能力。 4.据报道学校下个月将会举办一场英文演讲比赛。 5.令人惊讶的是，他在短时间内取得了显著进展。 6.遇到困难时向老师寻求帮助，是一种良好的学习习惯。 7.他能安静地等待他人说完，这种做法非常有礼貌。 3 8.对大家来说每天坚持听15分钟英语听力很有用。 1. It's my honor to share (share)experience about English learning with you 2.It is kind of you to always explain difficult problems patiently to classmates 3.It is believed that keeping English after-class reading can improve reading ability greatly. 4.It is reported that the school will hold an English speech competition next month. 5.It is surprising that he has made great progress in a short time. 6.It is a good learning habit to ask teachers for help when meeting difficulties. 7.It is polite of him to wait quietly for others to finish speaking 8.It is useful for everyone to listen to English for fifteen minutes every day. 三语法填空。 If you're interested in photography ()there's a little museum in Tokyo that you should probably visit.It is in the basement(地下室)ofa_46(build) Digital(数码的)Camera World calls it"the world's47(good)camera museum". The Japan Camera Industry Institute (JCID)first 48 (open)the camera museum in 1989.It aims to (protect historically important cameras 49 they are full of stories.The museum has thousands of cameras.It introduces the history of cameras and photography around the world. It also has a special part that explains how Japanese cameras 50 (develop)since the 1800s.You can see many different kinds of cameras,from very old ones 51 modern digital ones.Each camera has its own interesting history. The museum is in quite a 52(peace)location,even though it's in the middle of the busy city.Visitors can 53(simple)pick up some of the cameras to look at how people used them.Workers have cut some camera models in 4 half 54 (show)their inside parts.This helps people understand how cameras work It's a fun and educational place.You can learn a lot about the art and science of photography.It's 55 must-visit for any photography lover,so don't miss it! 46.building47.best 48.opened49.because50.have developed 51.to 52.peaceful53.simply 54.to show55.a 【解析】 【导语】本文主要讲述了东京一座有趣且有教育意义的相机博物馆，包括其位置、 相关赞誉、成立目的、展出内容以及参观体验等。 【46题详解】 句意：它在一栋建筑物的地下室里。根据"a"可知，此处需要一个名词，"build" 的名词形式是"building",表示"建筑物"。故填building。 【47题详解】 句意：《数码摄影世界》称它为"世界上最好的相机博物馆"。根据"the world's"可 知，此处是在一定范围内进行比较，要用形容词的最高级形式，"good"的最高级 是"best"。故填best。 【48题详解】 句意：日本相机工业协会(JCII)于1989年首次开放了这家相机博物馆。根据"n l989"可知，句子要用一般过去时，"open"的过去式是"opened"。故填opened。 【49题详解】 句意：它旨在保护历史上重要的相机，因为它们充满了故事。根据前后句的逻辑 关系，后面是说明保护相机的原因，"because"表示"因为"，符合语境。故填because。. 【50题详解】 句意：它还有一个特别的部分，解释了自19世纪以来日本相机是如何发展的。 根据"since the 1:800s"可知，句子要用现在完成时，主语"Japanese cameras'"是复数， "develop'"的现在完成时形式是"have developed"。故填have developed。 【51题详解】 句意：你可以看到许多不同种类的相机，从非常古老的到现代的数码相机。 "fom.to."是固定短语，意为"从...到.."，符合语境。故填to。 【52题详解】 句意：这家博物馆位于一个相当宁静的地方，尽管它在繁忙的城市中心。此处需 要一个形容词来修饰"location'","peace"的形容词形式是"peaceful",表示"宁静的 "。故填peaceful。 【53题详解】 句意：游客可以简单地拿起一些相机，看看人们是如何使用它们的。此处需要一 个副词来修饰动词"pick up”,"simple"的副词形式是"simply",表示"简单地"。故 填simply。 【54题详解】 句意：工作人员把一些相机模型切成两半，以展示它们的内部部件。此处用动词 不定式"to show"作目的状语，表示"为了展示"。故填to show。 【55题详解】 句意：对于任何摄影爱好者来说，它都是一个必去之地，所以不要错过它！ "must-isit"是可数名词，且发音以辅音音素开头，所以用不定冠词"a"。故填a。 四.五选五。 A Mind Map Has Its Way 标识sigm taxi出租车 ailway 噪声noise 火车train car汽车rain火车 bus公交车 bus stop 。station车站公交车站 traffic seat座位 飞机airplane airport 交通 机场 sidewalk人行道 bicycle自行车 照相机camera 旅行trave motorcycle摩托车 包bag A mind map is a tool that connects information around a central subject.It can help you make a knowledge bank to solve problems.A student recently said,"I thought mind maps would take a lot of time to do but in fact,it saves time.31" 6 How can you make a mind map?Now follow these steps to make perfect mind maps. _32Why?Because a start from the central place lets your brain spread out in all directions and express itself more freely and naturally. Use a picture for your central idea.33 It helps you use your imagination What's more,a central picture is more interesting.It helps to get your attention and makes you work excitedly as well. Connect your main branches (to the central picture and connect your second-and-third-level branches to the first and second levels,etc.You may wonder why.That's because your brain works by connection.34 If you connect the branches,you will understand and remember a lot more easily. Use one key word every line.Every single key word can make you learn more clearly. Review and correct the mind map to make it better.Once you have finished the mind map,review it and make sure you can understand the notes you've taken. 35 To make it better,you can also add more with colors. A.Add or correct the branches if needed. B.I don't have to read my notes over and over again. C.Start in the center of a page. D.The reason is that a picture can involve a thousand words. E.Your brain likes to connect two,or three,or four things together 【答案】31.B 32.C33.D34.E35.A 【解析】 【导语】本文主要介绍了思维导图的作用以及如何做思维导图的步骤。 【31题详解】 I thought mind maps would take a lot of time to do but in fact,it saves time." 知，思维导图有助于节省时间，选项B我不必一遍又一遍地读我的笔记。符合 语境。故选B。 【32题详解】 Because a start from the central place lets your brain spread out in all directions and express itself more freely and naturally.可知，是介绍要从中心开始，选项C“从 一页的中心开始。符合语境。故选C。 【33题详解】 根据Use a picture for your central idea.可知，此处应解释用图片的原因，选项 D“原因是图片可以包含千言万语。符合语境。故选D。 【34题详解】 根据That's because your brain works by connection.可知，此处是关于连接，选项 E你的大脑喜欢将两件、三件或四件事情联系起来。”符合语境。故选E。 【35题详解】 根据To make it better,you can also add more with colors.可知，此处是介绍改进思 维导图，选项A如有必要，可以添加或更正分支。符合语境。故选A。 五.完型填空。 Finally,I got a part-time job at the local coffee shop.I had thought that the job would be easy.However,the fact was not what I had 36.The customers were hard to please.There was always too much sugar,too little ice,or not enough milk.However boring it was,I still made it after all. One rainy day,Hank,one of my old customers,came in looking blue.I asked what the problem was and 37 we could help,but Hank wouldn't say anything.He just said he felt like going to bed,pulling the quilts up over his head,and staying there for a few years.I knew exactly how he felt. Before he left,I handed him a bag of his favorite type of doughnuts.He seemed 38 because he hadn't ordered anything. "It's my treat,"I told him."Have a nice day." He smiled and thanked me before 39 back out into the rain. The next day was terrible.The rain kept up,and the business was really 40.I spent my afternoon hanging out the window and kept handing a few customers their 41.What's worse,no one wanted to tip (that day. However,around 7:00 pm,Hank 42.Instead of ordering anything,he handed me a single pink rose and a little note.A thank-you note! He said that few people take the time to care about others nowadays,and he was glad that there were still people like me.I was speechless and very touched:I hadn't expected that I had done anything43 Later,I did come across more complaining customers.But anytime I felt sad or sick of coffee,I thought of Hank and his 44.Then I would smile,hold my head up high,and ask 45,"What can I do for you?" 36.A.thought B.connected C.discovered 37.A.unless B.until C.whether 38.A.surprised B.patient C.direct 39.A.looking B.heading C.handing 40.A.slow B.busy C.crowded 41.A.orders B.secrets C.requests 42.A.turned on B.tumned off C.turned up 43.A.interesting B.popular C.special 44.A.attention B.warmth C.ability 45.A.angrily B.politely C.loudly 【答案】36.A 37.C 38.A 39.B 40.A 41.A 42.C 43. 44.B 45.B 【解析】 【导语】本文主要介绍了咖啡店兼职的温暖故事，主人公通过善意举动感动顾客， 并获得鼓励，学会用积极态度面对工作。 【36题详解】 句意：然而，事实并非如我预料的那样。 thought以为；connected联系；discovered发现。根据had thought that the job would be easy..However,the fact was not what I had'可知，此处表示事情并非作者所以为 的那样。故选A。 【37题详解】 句意：我问他出了什么问题，我们是否能帮忙，但汉克什么也没说。 less除非；ntl直到：whether是否。根据we could help可知，此处表示是否 可以帮忙。故选C。 【38题详解】 句意：他似乎很惊讶，因为他没有点任何东西。 surprised惊讶的；patient耐心的；direct直接的。根据Before he left,I handed him a bag of his favorite type of doughnuts...because he hadn't ordered anything.", 他似乎很惊讶，因为他没有点任何东西。故选A。 【39题详解】 句意：他笑着感谢我，然后又冒雨走了出去。 looking看：heading走向；handing递。根据back out into the rain可知，此处表 示他冒雨走出去。故选B。 【40题详解】 句意：雨一直下，生意非常冷清。 slow缓慢的：busy忙碌的：crowded拥挤的。根据The rain kept up,and the business was1 eally..kept handing a few customers their..可知，此处表示雨一直下，生意很 冷清。故选A。 【41题详解】 句意：我整个下午都待在窗户旁，递给顾客他们点的东西。 orders订单；secrets秘密；requests要求。根据"I spent my afternoon hanging out the window,kept handing a few customers their.可知，此处表示不停地给几位顾客递 他们点的东西。故选A。 【42题详解】 句意：然而，大约晚上7点，汉克出现了。 turned on打开；turned off关闭；ned up出现。根据However,.around7:00pm, Hak.Instead of ordering anything.可知，此处表示汉克出现了。故选C。 【43题详解】 句意：我无言以对，非常感动：我没想到自己做了什么特别的事。 interesting有趣的；popular流行的、受欢迎的；special特别的。根据He said that few people take the time to care about others nowadays,and he was glad that there 10 were still people1 ike me.可知，此处表示我没想到自己做了什么特别的事情。故 选C。 【44题详解】 句意：但每当我觉得难过或厌倦了咖啡时，我就会想起汉克和他的温暖。 attention关注、注意；warmth温暖；ability能力。根据But anytime I felt sad or sick of coffee,I thought of Hank and his..”可知，此处表示作者总是能想起来汉克的温 暖。故选B。 【45题详解】 句意：然后我会微笑，昂起头，礼貌地问道：我能为您做些什么？” angrily生气地；politely礼貌地；loudly大声地。根据Then I would smile,.hold my head up high,and ask.可知，此处表示礼貌地问道。故选B。 11 新人教九上单元语法 U2语法：It is/was adj.(+for/of sb)+to do sth. 1、"It is/was+ad.+to do sth.."意为"做某事是…的"，是固定句式，其中 it 为形式主语，真正的主语是后面的动词不定式(短语)。因为真正的主语较长，而谓语部分相对较短，所以用 it 作形式主语，以避免"头重脚轻"。 I think it's important to sleep eight hours a day. 我认为每天睡 8 个小时很重要。 2、在句型"It is/was+ad.+for/of sb+to do sth."中，sb 为动词不定式 to do sth 的逻辑主语。二者的具体用法为： It is/was+ad.j+for sb+to do sth. 意为"对某人来说，做某事是…...的"；该句型中的形容词表示事物所具备的特征或客观情况。常见的形容词有 cheap,convenient,dangerous,difficult,easy,exciting,expensive,important,interesting,necessary,possible, useful,wonderful 等，for 后的 sb 与后面的动词不定式(短语）之间存在逻辑上的主谓关系，即 sb 是 to do sth 的逻辑主语。 It is/was+adj.+of sb+to do sth. 意为"某人做某事是…...的"；该句型中的形容词描述的是人的特征、品质等。常见的形容词有 brave,careless,clever,foolish, good,helpful, honest,kind,nice,polite,silly,stupid,wrong 等，of 后的 sb 与后面的动词不定式(短语)之间存在逻辑上的主谓关系，一般都可以转换成一个 of 后的宾语充当主语的句子。 It's necessary for the students to do eye exercises twice a day.对学生们来说一天做两次眼保健操是有必要的。 It is kind of you to share some good ideas with me. =You are kind to share some good ideas with me. 你真好，和我分享一些好主意。 It is/was...that 从句. "It is/was....that 从句."意为".…..是…...的"，是固定句式，其中 it 为形式主语，that 从句为真正的主语。当 that 后的从句较长时，为避免句子结构出现"头重脚轻"的情况，通常会使用 it 作形式主语，而将真正的主语(即 that 从句）后置。常见的结构主要有以下几种： 1、It is/was+形容词+that 从句. 用于表达"…...是…...的"，常见的形容词 important,necessary,possible,clear,strange 等，that从句说明导致该形容词状态的原因或相关情况。 It is important that we keep healthy. 我们保持健康是很重要的。 It is necessary that you arrive on time. 你准时到达是有必要的。 【注意】当形容词表示"重要，必要，奇怪"等含义时，that 从句中的谓语动词常用"(should+)动词原形"，should 可省略。 It is strange that she(should)know me. 很奇怪她竟然认识我。 2、It is/was+名词(短语）+that 从句 用于表达"…...是一件…...的事"。常见名词短语有 a pity,a fact,a shame,good news,no wonder等。that 从句作为真正的主语对前面的名词(短语）进行解释说明。 It is a pity that you missed the concert. 很遗憾你错过了那场音乐会。 It is no wonder that he is so tired -he worked all night. 难怪他这么累，他工作了一整晚。 3、It is/was+过去分词+that 从句 用于表达"据说/据报道/据认为"，这类结构常用来转述信息。常见的过去分词有 said,reported, believed,known,suggested It is said that he has won first prize. 据说他获得了一等奖。 It was reported that the accident happened at midnight. 据报道，事故发生在午夜。 课后练习 一. 单句语法填空。 1. It's necessary for us __________ (protect) the ancient and traditional folk art forms in our hometown. 2. It's a good habit __________ (review) what we have learned every day. 3. It's a tradition __________ (admire) the full moon at the Mid-Autumn Festival. 4. It is also a good idea__________ (read) the first sentence of each paragraph before you read the whole text. 5. It's a shame __________ in the exam. We must follow the rules and be honest. (cheat) 6. It's a pity __________ goodbye to my dearest friend. I hope we will see each other soon. (say) 7. __________is a pity that many wild animals are in danger. 8. It's very kind __________ you__________ (help) others when they're in need. 9. It seemed __________ everyone is ready for the trip. 10. It is necessary __________us __________ (master) basic grammar rules. 11. It is clear __________ everyone should respect teachers. 12. It __________ (report) that reading benefits teenagers a lot. 13. It's polite __________ you __________ (show) respect to every hard-working teacher 2． 句子翻译。 1. 能与各位分享英语学习的经验，我深感荣幸。 _____________________________________________________________________ 2. 你总能耐心为同学讲解难题，实在十分友善。 _____________________________________________________________________ 3. 人们认为坚持英语课外阅读能显著提升阅读理解能力。 _____________________________________________________________________ 4. 据报道学校下个月将会举办一场英文演讲比赛。 _____________________________________________________________________ 5. 令人惊讶的是，他在短时间内取得了显著进展。 _____________________________________________________________________ 6. 遇到困难时向老师寻求帮助，是一种良好的学习习惯。 _____________________________________________________________________ 7. 他能安静地等待他人说完，这种做法非常有礼貌。 _____________________________________________________________________ 8. 对大家来说每天坚持听15分钟英语听力很有用。 _____________________________________________________________________ 三. 语法填空。 If you're interested in photography (摄影), there's a little museum in Tokyo that you should probably visit. It is in the basement (地下室) of a ____46____ (build). Digital (数码的) Camera World calls it "the world's____47____ (good) camera museum". The Japan Camera Industry Institute (JCII) first ____48____ (open) the camera museum in 1989. It aims to (旨在) protect historically important cameras ____49____ they are full of stories. The museum has thousands of cameras. It introduces the history of cameras and photography around the world. It also has a special part that explains how Japanese cameras ____50____ (develop) since the 1800s. You can see many different kinds of cameras, from very old ones ____51____ modern digital ones. Each camera has its own interesting history. The museum is in quite a ____52____ (peace) location, even though it's in the middle of the busy city.Visitors can ____53____ (simple) pick up some of the cameras to look at how people used them. Workers have cut some camera models in half ____54____ (show) their inside parts. This helps people understand how cameras work. It's a fun and educational place. You can learn a lot about the art and science of photography. It's ____55____must-visit for any photography lover, so don't miss it! 四．五选五。 A Mind Map Has Its Way A mind map is a tool that connects information around a central subject. It can help you make a knowledge bank to solve problems. A student recently said, “I thought mind maps would take a lot of time to do but in fact, it saves time. ___31___” How can you make a mind map? Now follow these steps to make perfect mind maps. ___32___ Why? Because a start from the central place lets your brain spread out in all directions and express itself more freely and naturally. Use a picture for your central idea. ___33___ It helps you use your imagination. What’s more, a central picture is more interesting. It helps to get your attention and makes you work excitedly as well. Connect your main branches (分支) to the central picture and connect your second-and-third-level branches to the first and second levels, etc. You may wonder why. That’s because your brain works by connection. ___34___ If you connect the branches, you will understand and remember a lot more easily. Use one key word every line. Every single key word can make you learn more clearly. Review and correct the mind map to make it better. Once you have finished the mind map, review it and make sure you can understand the notes you’ve taken. ___35___ To make it better, you can also add more with colors. A. Add or correct the branches if needed. B. I don’t have to read my notes over and over again. C. Start in the center of a page. D. The reason is that a picture can involve a thousand words. E. Your brain likes to connect two, or three, or four things together. 五．完型填空。 Finally, I got a part-time job at the local coffee shop. I had thought that the job would be easy. However, the fact was not what I had ____36____. The customers were hard to please. There was always too much sugar, too little ice, or not enough milk. However boring it was, I still made it after all. One rainy day, Hank, one of my old customers, came in looking blue. I asked what the problem was and ____37____ we could help, but Hank wouldn’t say anything. He just said he felt like going to bed, pulling the quilts up over his head, and staying there for a few years. I knew exactly how he felt. Before he left, I handed him a bag of his favorite type of doughnuts. He seemed ____38____ because he hadn’t ordered anything. “It’s my treat,” I told him. “Have a nice day.” He smiled and thanked me before ____39____ back out into the rain. The next day was terrible. The rain kept up, and the business was really ____40____. I spent my afternoon hanging out the window and kept handing a few customers their ____41____. What’s worse, no one wanted to tip (给小费) that day. However, around 7:00 pm, Hank ____42____. Instead of ordering anything, he handed me a single pink rose and a little note. A thank-you note! He said that few people take the time to care about others nowadays, and he was glad that there were still people like me. I was speechless and very touched: I hadn’t expected that I had done anything ____43____. Later, I did come across more complaining customers. But anytime I felt sad or sick of coffee, I thought of Hank and his ____44____. Then I would smile, hold my head up high, and ask ____45____, “What can I do for you?” 36. A. thought B. connected C. discovered 37. A. unless B. until C. whether 38. A. surprised B. patient C. direct 39. A. looking B. heading C. handing 40. A. slow B. busy C. crowded 41. A. orders B. secrets C. requests 42. A. turned on B. turned off C. turned up 43. A. interesting B. popular C. special 44. A. attention B. warmth C. ability 45. A. angrily B. politely C. loudly 1 学科网（北京）股份有限公司 $