Unit 2 Inspiring People.（语法讲解及专练）-2026-2027学年九年级英语上册基础知识专项讲练（新教材人教版）

该初中英语讲义围绕Unit 2 "Inspiring People"的语法模块，通过表格对比与分点梳理构建知识体系，系统呈现"It is/was adj.(+for/of sb)+to do sth."和"It is/was...that从句"两大核心句型，明确形式主语用法、for/of逻辑主语差异及that从句三类结构，清晰标注重难点与内在联系。 讲义亮点在于分层练习设计，基础过关设选择巩固句型结构，提升闯关含词形转换与语法填空深化应用，中考链接整合近年真题，助力学生通过阶梯训练提升语言能力与学习能力。每个知识点配真题解析与易错提示，支持不同层次学生自主复习，为教师实施精准分层教学提供实用资源。

Unit 2 Inspiring People. (语法讲练） 【知识讲解】 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+adj.+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。 真｜题｜链｜接 (1)(福建中考)It's important for us________hard in order to have a better life. A.work B.to work C.working 解析：我们可用“固定句式法”解答此题。“It is/was+ad.+for sb+to do sth.”为固定句式，意为“对某人来说，做某事是…的”，故选to work.。句意：对我们来说，为了过上更好的生活努力工作是重要的。 答案：B (2) (2025·江苏扬州中考改编)根据汉语提示完成句子。 _____________________________________pour out our troubles to our parents. 向父母倾诉我们的烦恼是非常必要的。 解析：根据中英文对照可知，空格处所填内容应为“…是非常必要的”的英语表达。“It+be+形容词+to do sth.”为固定句式，意为“做某事是…的”；“very necessary”意为“非常必要的”；根据语境可知本句应用一般现在时。答案：It's very necessary to 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。 真｜题｜链｜接 (2025·上海市建平实验中学期中)句型转换。 To our surprise,this 8-year-old boy came up with his own magic trick.（保持句意不变) It is______________________________________________. 解析：原句句意：令我们惊讶的是，这个8岁的男孩想出了他自己的魔术。由所给提示词It is可知，可用it作形式主语进行转换；“To our surprise”可以转换为“It is surprising that...”结构。 答案：surprising that this 8-year-old boy came up with his own magic trick. 【同步检测】 基础过关 1．It’s polite ________ loudly in public libraries. A．to talk B．not to talk C．not talk 2．It’s necessary for us ________ enough rest after long-time study every day. A．have B．having C．to have 3．It took us nearly two hours ________ the work on that day. A．finish   B．to finish   C．finishing 4．It’s interesting ________ all kinds of programs about the Dragon Boat Festival on TV. A．to enjoy B．enjoyed C．enjoying 5．It is necessary for us ________ enough sleep every night. A．get B．getting C．to get D．got 6．It’s a good habit ________ some money every month. A．save B．to save C．saving 7．It is very important for us ________ Chinese history. A．learn about B．to learn about C．learning about D．learned about 8．It’s important _______ us ________ English well. A．for; to learn B．of; to learn C．for; learning D．of; learning 9．The cartoon movie Ne Zha 2 shows how important it is _______ the unfairness in the world. A．to fight B．to admire C．to accept 10．It’s a good idea ________ your homework first. A．finish B．to finish C．finishing D．finished 11．It is getting more difficult ________ tickets for some popular singers’ concerts. A．buy B．buying C．to buy D．bought 12．It’s a custom for the Chinese _________ a gift for friends when visiting them. A．bring B．bringing C．to bring D．brought 13．________ is said that ________ tourists visit the Great Wall every day. A．That; thousand of B．It; five thousand of C．It; thousands of D．This; three thousands 14．________ that eating fruit and vegetables is good for our health. A．It thought B．It’s thought C．They’re thought D．They thought 15．It ________ that a large number of endangered animals are living in this nature reserve. A．is estimated B．estimates C．estimated D．estimating 16．________ is a good idea ________ your English by reading aloud in the morning. A．This；improve B．It；to improve C．This；to improve D．It；improving 17．________ that basketball was invented in 1891. A．It believes B．It is believe C．It is believed D．It was believe 18．—________ is reported that more and more people have succeeded in ________ up smoking. —That’s good news. A．That, give B．It, giving C．This, giving 19．— She helped me a lot when I was in trouble. — ________ is true that a friend ________ is a friend indeed. A．That, in trouble B．It, in trouble C．It, in need D．That, in need 20．It is my first time ________ in public. I’m a little bit nervous. A．speak B．to speak C．speaking D．to speaking 提升闯关 一、用所给词的适当形式填空 1．It’s popular ________ (hire) a boat and row on the Taihu Lake. 2．It’s simply a waste of time ________ (play) computer games for so much time. 3．It’s necessary for us ________ (protect) the ancient and traditional folk art forms in our hometown. 4．It’s a good habit _____ (review) what we have learned every day. 5．Is it hard for the students ________(make) an unmanned aerial vehicle? 6．It’s a tradition ________ (admire) the full moon at the Mid-Autumn Festival. 7．It is also a good idea ________ (read) the first sentence of each paragraph before you read the whole text. 8．What great fun it is ________ (chat) with my friends on the Internet! 9．It’s a shame ________ in the exam. We must follow the rules and be honest. (cheat) 10．It’s my honor ____________ (share) experience about English learning with you. 11．It is no good for you ________ (work) on the computer. 12．It’s a pity ________ goodbye to my dearest friend. I hope we will see each other soon. (say) 13．What a pity it was ________ (see) Xiao Ni fail the magic during the 2024 Spring Festival Gala! 14．It’s a great pleasure ________ (see) you again. 15．What a great sadness it is _________ (hear) that so many people died in the air crash of flight MU5735 on March 21, 2022. 二、语法填空 Luo Zhuobin, 1 18-year-old student at the Communication University of China (CUC), is creative. He loves to make videos because he thinks it’s a cool way 2 (show) his great ideas. This year, the Communication University of China (CUC) organized a competition as a great stage for young people from all over the world. They 3 (ask) to make short videos to tell their own stories about China. The videos should be 4 Chinese and at least one other language. 524 people from 26 5 (country) took part in the competition. The average age of these young people was 21. Their videos used 25 different languages, like English, Spanish, Japanese, and German. Luo came to Beijing to study just half a year ago. He often takes Beijing’s Line 1 to school. It goes through the middle of the city and 6 (connect) important shopping areas and famous places. When the subway moves, Luo is always surprised by how 7 (good) the old and new parts of the city mix. He really wanted to tell others about this great discovery. So 8 he heard about the competition, he was very happy to join. His video is all about his own experiences. In the video, Luo shows he can speak Chinese, English, and five other languages. The video mainly describes three famous places along the subway line: the beautiful Palace Museum, the lively Beijing Hutong, and the 9 (excite) Universal Resort. 10 of these places shows different sides of Beijing’s long history and modern life. 【中考链接】 1．（2022·西藏·中考真题）It’s important for the disabled ________ the ability to make a living. A．to have B．have C．having D．has 2．（2022·黑龙江绥化·中考真题）—It is convenient ________ us ________ things online. —So it is. A．for; to buy B．of; to buy C．for; buy 3．（2021·西藏·中考真题）It’s very kind ________ you ________ others when they’re in need. A．for; to help B．of; to help C．for; helping D．of; helping 4．（2019·四川攀枝花·中考真题）It is necessary for me ________ to live on my own, such as cooking by myself. A．to learn B．to be learned C．learning D．to have learned 5．（25-26九年级上·黑龙江绥化·期末）It is convenient ________ us ________ about the world online. A．for; learn B．of; to learn C．for; to learn 6．（25-26九年级上·西藏林芝·期末）In China, it’s impolite ________ your chopsticks to hit an empty bowl. A．use B．to use C．uses D．using 7．（24-25九年级上·湖南·期末）—The story of Chang’e is touching! —Yes, and it’s necessary for us students ________ traditional Chinese stories. A．learning B．learn C．to learn 8．（24-25九年级上·吉林长春·期末）_________ is important for us to study English well. A．It B．This C．That D．These 9．（23-24九年级上·广东深圳·期中）—It’s very kind ________ you ________ me carry the heavy luggage. Thank you so much. —It’s my pleasure. A．for; to help B．of; helping C．of; to help D．for; helping 10．（22-23九年级上·广西河池·期中）Don’t throw rubbish anywhere. It’s not easy for the cleaning workers ________ the city clean. A．keep B．to keep C．keeping D．to keeping 11．（25-26九年级上·上海松江·期中）I believe ________ is necessary for children to have their own pets at home. A．this B．that C．it D．they 12．（25-26九年级上·黑龙江绥化·期中）It’s ________ that a boy ________ Bob won the competition. A．saying; named B．said; named C．says; names 13．（2025·上海松江·一模）It is not a good idea _________ a picnic on windy days. A．have B．to have C．having D．had 14．（24-25九年级上·贵州黔东南·期末）— is an honor to come to your party today. Thanks for inviting me! —You’re welcome. Have a great time here! A．They B．It C．This D．That 15．（24-25九年级上·广东广州·期末）__________ everyone is ready for the trip. A．It seemed that B．It seems that C．He seems that D．She seemed that 16．（25-26九年级上·江西新余·期末）________ a pity that many wild animals are in danger. A．It’s B．That’s C．It D．This is 17．（24-25九年级下·山东滨州·期中）________ that more than two thousand people die of the COVID-19. It makes us feel scared. A．That said B．That’s said C．It’s said D．It said 18．（24-25九年级·湖北武汉·月考）—Mary, it’s a ________ that you didn’t travel with us. How are you feeling now? —I’m much better. Thank you. A．pleasure B．joy C．pity D．wonder 19．（24-25八年级上·上海黄浦·月考）Gork said ________ was their custom to kill all the aliens in the cave. A．it B．that C．this D．he 20．（2022·江苏徐州·中考真题）________ is our duty to make our country better and stronger. A．It B．This C．That D．One / 学科网（北京）股份有限公司 $ Unit 2 Inspiring People. (语法讲练） 【知识讲解】 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+adj.+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。 真｜题｜链｜接 (1)(福建中考)It's important for us________hard in order to have a better life. A.work B.to work C.working 解析：我们可用“固定句式法”解答此题。“It is/was+ad.+for sb+to do sth.”为固定句式，意为“对某人来说，做某事是…的”，故选to work.。句意：对我们来说，为了过上更好的生活努力工作是重要的。 答案：B (2) (2025·江苏扬州中考改编)根据汉语提示完成句子。 _____________________________________pour out our troubles to our parents. 向父母倾诉我们的烦恼是非常必要的。 解析：根据中英文对照可知，空格处所填内容应为“…是非常必要的”的英语表达。“It+be+形容词+to do sth.”为固定句式，意为“做某事是…的”；“very necessary”意为“非常必要的”；根据语境可知本句应用一般现在时。答案：It's very necessary to 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。 真｜题｜链｜接 (2025·上海市建平实验中学期中)句型转换。 To our surprise,this 8-year-old boy came up with his own magic trick.（保持句意不变) It is______________________________________________. 解析：原句句意：令我们惊讶的是，这个8岁的男孩想出了他自己的魔术。由所给提示词It is可知，可用it作形式主语进行转换；“To our surprise”可以转换为“It is surprising that...”结构。 答案：surprising that this 8-year-old boy came up with his own magic trick. 【同步检测】 基础过关 1．It’s polite ________ loudly in public libraries. A．to talk B．not to talk C．not talk 【答案】B 【详解】句意：在公共图书馆不大声说话是礼貌的。 “It’s + adj. + (not) to do sth.”，不定式的否定结构是在to前加not。根据语境，在图书馆大声说话是不礼貌的，语义需要用不定式的否定形式not to talk。 2．It’s necessary for us ________ enough rest after long-time study every day. A．have B．having C．to have 【答案】C 【详解】句意：长时间学习后，每天保证充足休息对我们来说很有必要。考查非谓语动词。It’s + 形容词 + for sb. to do sth.固定句型，it作形式主语，真正主语用不定式。故选C。 3．It took us nearly two hours ________ the work on that day. A．finish   B．to finish   C．finishing 【答案】B 【详解】句意：那天我们花了将近两个小时完成这项工作。 根据“It took sb. some time to do sth.”这一固定句型可知，此处应用“to finish”，“It”是形式主语，真正的主语是后面的动词不定式“to finish the work”。 4．It’s interesting ________ all kinds of programs about the Dragon Boat Festival on TV. A．to enjoy B．enjoyed C．enjoying 【答案】A 【详解】句意：在电视上欣赏各种关于端午节的节目是有趣的。 根据固定句型“It’s+adj.+to do sth.”可知，此处it作形式主语，真正的主语是动词不定式。应填to enjoy。 5．It is necessary for us ________ enough sleep every night. A．get B．getting C．to get D．got 【答案】C 【详解】句意：对我们来说，每晚保证充足的睡眠是必要的。 本句是It is+adj.+for sb.+to do sth.结构，意为“对某人来说做某事是……的”。其中It为形式主语，真正的主语是后面的动词不定式短语。空格处应填入to get作真正主语。 6．It’s a good habit ________ some money every month. A．save B．to save C．saving 【答案】B 【详解】句意：每月存钱是一个好习惯。 “It’s + 名词/形容词+to do sth.”意为“做某事是……”，为固定句型，此处应用动词不定式to save作真正主语。 7．It is very important for us ________ Chinese history. A．learn about B．to learn about C．learning about D．learned about 【答案】B 【详解】句意：对我们来说，了解中国历史非常重要。 考查非谓语动词。“It is + adj. + for sb. to do sth.”意为“对某人来说做某事是……的”，该句型中，真正的主语是动词不定式短语“to do sth.”。四个选项中只有B项为动词不定式形式，符合句型要求。故选B。 8．It’s important _______ us ________ English well. A．for; to learn B．of; to learn C．for; learning D．of; learning 【答案】A 【详解】句意：对我们来说学好英语是很重要的。 根据“it’s+形容词+for/of sb. to do sth.”这一固定句型可知，第一空应填介词for或of，其中当形容词是描述事物性质的形容词时，用for；当形容词是描述人的品质的形容词时，用of，important是描述事物性质的形容词，因此第一空应填for；第二空应填动词不定式to learn作真正的主语。应填for；to learn。 9．The cartoon movie Ne Zha 2 shows how important it is _______ the unfairness in the world. A．to fight B．to admire C．to accept 【答案】A 【详解】句意：动画电影《哪吒 2》展示了与世界上的不公平作斗争是多么重要。 考查动词辨析。fight与……作斗争；admire钦佩；accept接受。根据“the unfairness in the world”可知应该是与不公平作斗争，而不是钦佩或者接受不公平。故选A。 10．It’s a good idea ________ your homework first. A．finish B．to finish C．finishing D．finished 【答案】B 【详解】句意：先完成你的作业是个好主意。 考查非谓语动词。根据“it”可知，这是形式主语，真正的主语是不定式“to finish”，构成“it’s a good idea to do sth.”的固定句型，意为“做某事是个好主意”。“to finish your homework first”是真正主语。故选B。 11．It is getting more difficult ________ tickets for some popular singers’ concerts. A．buy B．buying C．to buy D．bought 【答案】C 【详解】句意：一些流行歌手演唱会的票越来越难买了。 考查非谓语动词。根据“It is getting more difficult … tickets”可知，此处为“It is+adj.+to do”句型，其中It为形式主语，不定式为真正的主语。故选C。 12．It’s a custom for the Chinese _________ a gift for friends when visiting them. A．bring B．bringing C．to bring D．brought 【答案】C 【详解】句意：拜访朋友时给他们带礼物是中国人的一种习俗。 考查非谓语动词。根据“It’s a custom for the Chinese ... a gift for friends”可知，此处是it is a custom for sb to do sth“做某事对某人来说是一种习俗”，it为形式主语，动词不定式作真正主语。故选C。 13．________ is said that ________ tourists visit the Great Wall every day. A．That; thousand of B．It; five thousand of C．It; thousands of D．This; three thousands 【答案】C 【详解】句意：据说每天有成千上万的游客参观长城。 “It is said that...”是固定句型，表示“据说……”，其中“It”是形式主语，真正的主语是“that”引导的从句，所以第一个空应填“It”；“thousand”表示“千”，当前面有具体数字时，“thousand”用单数形式，且不与of连用，后面直接跟名词复数；当表示不确切数量时，要用“thousands of”结构，意为“成千上万的”，所以第二个空应填“thousands of”。 14．________ that eating fruit and vegetables is good for our health. A．It thought B．It’s thought C．They’re thought D．They thought 【答案】B 【详解】句意：人们认为吃水果和蔬菜对我们的健康有益。 固定句型“It is thought that...”，意为“人们认为……”，其中It作形式主语，that从句是真正的主语，引出客观观点。 15．It ________ that a large number of endangered animals are living in this nature reserve. A．is estimated B．estimates C．estimated D．estimating 【答案】A 【详解】句意：据估计，大量濒危动物生活在这个自然保护区。 考查被动语态和固定句型。is estimated被估计，一般现在时的被动语态；estimates估计，动词的第三人称单数形式；estimated估计，动词的过去式或过去分词；estimating估计，动词的现在分词形式。根据“It…that a large number of endangered animals...”可知，此处考查固定句型“It is estimated that…”，意为“据估计……”，其中it是形式主语，真正的主语是that引导的从句，且从句描述的是现在的情况，所以用一般现在时，主语it与动词estimate之间是被动关系，所以用一般现在时的被动语态。故选A。 16．________ is a good idea ________ your English by reading aloud in the morning. A．This；improve B．It；to improve C．This；to improve D．It；improving 【答案】B 【详解】句意：通过早上大声朗读来提高你的英语是个好主意。 考查it作形式主语和动词不定式作真正的主语。this这（个），指示代词；it它，人称代词。本句考查固定句型“It is+名词+to do sth”表示“做某事是一个好主意”，其中It是形式主语，真正的主语是后面的动词不定式。故选B。 17．________ that basketball was invented in 1891. A．It believes B．It is believe C．It is believed D．It was believe 【答案】C 【详解】句意：人们认为篮球是在1891年发明的。 考查it固定句型。It is believed that…意为“据信……”，固定句式。故选C。 18．—________ is reported that more and more people have succeeded in ________ up smoking. —That’s good news. A．That, give B．It, giving C．This, giving 【答案】B 【详解】句意：——据报道，越来越多的人成功地戒烟了。——这是好消息。 考查it的用法和非谓语。It is reported that表示“据说”，it在句中作形式主语；succeeded in doing sth“成功做某事”，是固定搭配。故选B。 19．— She helped me a lot when I was in trouble. — ________ is true that a friend ________ is a friend indeed. A．That, in trouble B．It, in trouble C．It, in need D．That, in need 【答案】C 【详解】句意：——当我遇到麻烦时，她帮了我很多。 ——患难见真情是真的。 考查形式主语及介词短语。根据“...is true that...”可知，此处that引导主语从句，开头用It作形式主语。in trouble处于困境中；in need在危难中。A friend in need is a friend indeed“患难见真情”，为谚语，所以第二个空用in need。故选C。 20．It is my first time ________ in public. I’m a little bit nervous. A．speak B．to speak C．speaking D．to speaking 【答案】B 【详解】句意：这是我第一次在公共场合讲话。我有点紧张。 考查非谓语动词。该句型是it做形式主语的句型，it is ones fist time to do sth.表示“某人第一次做某事”，不定式是句子真正的主语。故选B。 提升闯关 一、用所给词的适当形式填空 1．It’s popular ________ (hire) a boat and row on the Taihu Lake. 【答案】to hire 【详解】句意：在太湖租船划船是很受欢迎的。固定句型It is+形容词+to do sth，空格处填的动词不定式，故填to hire。 2．It’s simply a waste of time ________ (play) computer games for so much time. 【答案】to play 【详解】句意：花这么多时间玩电脑游戏简直是浪费时间。这是固定句型It’s a waste of time to do sth.，意为“做某事是浪费时间”，其中it是形式主语，真正的主语是动词不定式短语，因此play需要变为不定式形式to play。 3．It’s necessary for us ________ (protect) the ancient and traditional folk art forms in our hometown. 【答案】to protect 【详解】句意：我们有必要保护家乡古老而传统的民间艺术形式。固定句型“It’s+adj.+for sb. to do sth.”意为“对某人来说做某事是……的”，其中动词不定式作真正主语。 4．It’s a good habit _____ (review) what we have learned every day. 【答案】to review 【详解】句意：每天复习我们所学的内容是个好习惯。此处涉及固定句型It’s a good habit to do sth.，意为“做某事是个好习惯”。故填to review。 5．Is it hard for the students ________(make) an unmanned aerial vehicle? 【答案】to make 【详解】句意：对于学生们来说，做一个无人机难吗？make“制作”，it is hard for sb. to do sth.“对于某人来说，做某事很难”，因此使用不定式。故填to make。 6．It’s a tradition ________ (admire) the full moon at the Mid-Autumn Festival. 【答案】to admire 【详解】句意：在中秋节欣赏满月是一种传统。It’s a tradition to do sth“做某事是一种传统”，空处用不定式作真正主语。故填to admire。 7．It is also a good idea ________ (read) the first sentence of each paragraph before you read the whole text. 【答案】to read 【详解】句意：在你阅读整篇文章之前，阅读每段的第一句话也是一个好主意。read阅读，It is a good idea to do sth.是固定句型，意为“做某事是一个好主意”，其中动词用不定式形式。故填to read。 8．What great fun it is ________ (chat) with my friends on the Internet! 【答案】to chat 【详解】句意：和朋友们在网上聊天是多么有趣啊！此处是句型“it is +名词+ to do sth”表示“做某事是……”，故填to chat。 9．It’s a shame ________ in the exam. We must follow the rules and be honest. (cheat) 【答案】to cheat 【详解】句意：考试作弊是可耻的。我们必须遵守规则，诚实守信。cheat“欺骗，作弊”，动词；根据“It’s a shame”可知，此处是it固定句型，其中“It”为形式主语，真正的主语应为动词不定式。故填to cheat。 10．It’s my honor ____________ (share) experience about English learning with you. 【答案】to share 【详解】句意：很荣幸与你分享英语学习的经验。根据固定结构：It’s my honor to do sth.我很荣幸做某事。可知，此空应是to share。故填to share。 11．It is no good for you ________ (work) on the computer. 【答案】to work 【详解】句意：长时间在电脑上工作对你不好。work工作，动词。根据题干可知It为形式主语，后应用to do不定式做真正的主语。故填to work。 12．It’s a pity ________ goodbye to my dearest friend. I hope we will see each other soon. (say) 【答案】to say 【详解】句意：很遗憾要和我最亲爱的朋友告别了。我希望我们能很快再见面。say“说”，it is a pity to do sth“很遗憾做某事”。故填to say。 13．What a pity it was ________ (see) Xiao Ni fail the magic during the 2024 Spring Festival Gala! 【答案】to see 【详解】句意：2024年春晚，小尼妮魔术失败了，真是太可惜了。分析句子可知，横线上是不定式结构作真正的主语。故填to see。 14．It’s a great pleasure ________ (see) you again. 【答案】to see 【详解】句意：很高兴再次见到你。分析句子结构可知，这是it的固定句式：It+be+名词短语+动词不定式的结构，动词不定式作主语，故填to see。 15．What a great sadness it is _________ (hear) that so many people died in the air crash of flight MU5735 on March 21, 2022. 【答案】to hear 【详解】句意：听到如此多人在2022年3月21日MU5735航班空难中丧生，这是多么令人悲伤。根据“What a great sadness it is…(hear) that”可知，本句为What引导的感叹句，句中it为形式主语，动词不定式为真正的主语。故填to hear。 二、语法填空 Luo Zhuobin, 1 18-year-old student at the Communication University of China (CUC), is creative. He loves to make videos because he thinks it’s a cool way 2 (show) his great ideas. This year, the Communication University of China (CUC) organized a competition as a great stage for young people from all over the world. They 3 (ask) to make short videos to tell their own stories about China. The videos should be 4 Chinese and at least one other language. 524 people from 26 5 (country) took part in the competition. The average age of these young people was 21. Their videos used 25 different languages, like English, Spanish, Japanese, and German. Luo came to Beijing to study just half a year ago. He often takes Beijing’s Line 1 to school. It goes through the middle of the city and 6 (connect) important shopping areas and famous places. When the subway moves, Luo is always surprised by how 7 (good) the old and new parts of the city mix. He really wanted to tell others about this great discovery. So 8 he heard about the competition, he was very happy to join. His video is all about his own experiences. In the video, Luo shows he can speak Chinese, English, and five other languages. The video mainly describes three famous places along the subway line: the beautiful Palace Museum, the lively Beijing Hutong, and the 9 (excite) Universal Resort. 10 of these places shows different sides of Beijing’s long history and modern life. 【答案】 1．an 2．to show 3．were asked 4．in 5．countries 6．connects 7．well 8．when 9．exciting 10．Each 【解析】本文主要讲述了中国传媒大学学生罗卓彬喜爱拍摄短视频，在学校举办的国际短视频大赛中，他以北京地铁一号线沿途风光为素材，用多种语言制作视频，展现北京古今交融的城市风貌，以此讲述中国故事、展现城市魅力的故事。 【详解】1．句意：罗卓彬，中国传媒大学一名18岁的学生，很有创意。此处表示“一名18岁的学生”，空格后“18”以元音音素开头，需填不定冠词“an”。 2．句意：他喜欢制作视频，因为他认为这是展示自己好点子的一个很酷的方式。括号内提示词“show”意为“展示”，根据文意“a cool way to do sth.”为固定结构，表示“做某事的好方式”，需用不定式“to show”。 3．句意：他们被要求制作短视频，讲述他们自己关于中国的故事。括号内提示词“ask”意为“要求”，根据文意“They”与“ask”之间为被动关系，且描述过去发生的事情，需用一般过去时的被动语态“were asked”。 4．句意：视频应该用中文和至少另一种语言制作。表示“用某种语言”，需填介词“in”。 5．句意：来自26个国家的人参加了比赛。括号内提示词“country”意为“国家”，根据文意“26”后接可数名词复数，需用复数形式“countries”。 6．句意：它穿过市中心，连接重要的购物区和著名景点。括号内提示词“connect”意为“连接”，根据文意主语“It”为第三人称单数，且与前面的“goes”并列描述一般事实，需用一般现在时的第三人称单数形式“connects”。 7．句意：当地铁行驶时，罗总是惊讶于城市新旧部分融合得多么好。括号内提示词“good”为形容词，意为“好的”，此处修饰动词“mix”需用副词形式“well”。 8．句意：所以当他听说这个比赛时，他非常高兴地参加了。此处表示“当……的时候”，引导时间状语从句，需填连词“when”。 9．句意：视频主要描述了地铁沿线的三个著名景点：美丽的故宫、热闹的北京胡同和令人兴奋的环球度假区。括号内提示词“excite”意为“使兴奋”，此处修饰名词“Resort”，表示“令人兴奋的”，需用形容词“exciting”。 10．句意：这些地方中的每一个都展现了北京悠久历史和现代生活的不同侧面。此处表示“每一个”，且谓语动词“shows”为单数形式，需填代词“Each”，注意首字母大写。 【中考链接】 1．（2022·西藏·中考真题）It’s important for the disabled ________ the ability to make a living. A．to have B．have C．having D．has 【答案】A 【详解】句意：对残疾人来说，有谋生的能力是很重要的。 考查动词不定式作主语。it is adj. for sb. to do sth“做某事……”，动词不定式作主语，故选A。 2．（2022·黑龙江绥化·中考真题）—It is convenient ________ us ________ things online. —So it is. A．for; to buy B．of; to buy C．for; buy 【答案】A 【详解】句意：——我们在网上购物很方便。——确实。 考查It的固定句型。此处是“It is+adj+for/of sb to do sth”句型，此处convenient修饰其后的事情，介词用for；不定式在句中作真正的主语。故选A。 3．（2021·西藏·中考真题）It’s very kind ________ you ________ others when they’re in need. A．for; to help B．of; to help C．for; helping D．of; helping 【答案】B 【详解】句意：你真是太好了，在别人需要的时候帮助了他们。 考查固定句型。分析句子结构，本句是固定句型“It is +形容词+ of/for sb. +不定式+其他”结构，it是形式主语，后面的不定式是真正主语，可据此排除后两项；形容人的特征时用介词of，而for用于指出描述对象。本句kind表示“善良的”，是“you”的特点，故选B。 4．（2019·四川攀枝花·中考真题）It is necessary for me ________ to live on my own, such as cooking by myself. A．to learn B．to be learned C．learning D．to have learned 【答案】A 【详解】句意：对我来说，学会自己生活是很有必要的，比如自己做饭。 考查动词不定式的用法。根据“It is necessary for me…to live on my own”可知，此处是“It is+adj+for sb to do sth”句型，使用动词不定式作主语，时态是一般现在时，主语是动作的发出者，用一般式即可，故选A。 5．（25-26九年级上·黑龙江绥化·期末）It is convenient ________ us ________ about the world online. A．for; learn B．of; to learn C．for; to learn 【答案】C 【详解】句意：在网上了解世界对我们来说是方便的。 考查介词用法和非谓语动词。根据“It is convenient ... us ... about the world online.”可知，此处考查“It is + adj. + for/of sb. + to do sth.”句型。形容词convenient表示“方便的”，通常与介词for搭配，表示“对某人来说做某事是方便的”，排除B；在这一句型中，“It”为形式主语，真正的主语是后面的动词不定式短语，排除A。故选C。 6．（25-26九年级上·西藏林芝·期末）In China, it’s impolite ________ your chopsticks to hit an empty bowl. A．use B．to use C．uses D．using 【答案】B 【详解】句意：在中国，用你的筷子敲空碗是不礼貌的。 考查非谓语动词。在“It’s+形容词+to do”结构中，动词不定式作真正主语，表示“做某事是……的”，此处表达“用筷子敲空碗”这一行为的不礼貌性。故选B。 7．（24-25九年级上·湖南·期末）—The story of Chang’e is touching! —Yes, and it’s necessary for us students ________ traditional Chinese stories. A．learning B．learn C．to learn 【答案】C 【详解】句意：——嫦娥的故事很感人！——是的，对我们学生来说，学习中国传统故事是很有必要的。 考查非谓语动词。it’s necessary for sb to do sth表示“对某人来说做某事是有必要的”，不定式作主语。故选C。 8．（24-25九年级上·吉林长春·期末）_________ is important for us to study English well. A．It B．This C．That D．These 【答案】A 【详解】句意：对于我们来说学好英语很重要。 考查it固定句型。It它；This这个；That那个；These这些。根据“is important for us to study English well.”可知，考查it’s+形容词+for sb. to do sth，意为“对于某人来说做某事是……”，it是形式主语，真正的主语是不定式，故选A。 9．（23-24九年级上·广东深圳·期中）—It’s very kind ________ you ________ me carry the heavy luggage. Thank you so much. —It’s my pleasure. A．for; to help B．of; helping C．of; to help D．for; helping 【答案】C 【详解】句意：——你真好，帮我拿这么重的行李。非常感谢。——这是我的荣幸。 考查动词不定式作主语和介词辨析。此处考查句型“It is+adj.+of/for sb.+to do sth.”，kind“友好的”为修饰人品格、特征的形容词，介词应用of；it在句中为形式主语，应用动词不定式作真正主语。故选C。 10．（22-23九年级上·广西河池·期中）Don’t throw rubbish anywhere. It’s not easy for the cleaning workers ________ the city clean. A．keep B．to keep C．keeping D．to keeping 【答案】B 【详解】句意：不要乱扔垃圾。清洁工人要保持城市整洁并不容易。 考查非谓语动词。根据“It’s not easy for the cleaning workers...”，可知该句型为it形式主语，it’s+形容词+for sb to do sth，不定式是真正的主语。故选B。 11．（25-26九年级上·上海松江·期中）I believe ________ is necessary for children to have their own pets at home. A．this B．that C．it D．they 【答案】C 【详解】句意：我相信对于孩子们来说，在家拥有自己的宠物是必要的。 考查it的用法。分析句子可知，真正的主语是“to have their own pets at home”，此处需用it作形式主语，故选C。 12．（25-26九年级上·黑龙江绥化·期中）It’s ________ that a boy ________ Bob won the competition. A．saying; named B．said; named C．says; names 【答案】B 【详解】句意：据说一个名叫鲍勃的男孩赢得了比赛。 考查固定句型It’s said that...和过去分词作定语。 分析句子可知，句子结构为It’s said that...“据说”，所以第一空应填said，即say“说”的过去分词；根据“boy”和“Bob”可知，应是一个被叫做鲍勃的男孩，应用动词的过去分词作后置定语表被动，故选B。 13．（2025·上海松江·一模）It is not a good idea _________ a picnic on windy days. A．have B．to have C．having D．had 【答案】B 【详解】句意：在刮风的日子野餐不是个好主意。 考查动词不定式作主语。have举行，动词原形；to have不定式；having现在分词或动名词；had过去式。动词短语have a picnic意为“举行野餐”；句型“It’s+形容词+to do…”意为“做某事怎么样”，其中it是形式主语，“to do”是句子真正的主语。本句逻辑上的真主语为to have a picnic “去野餐”，故选B。 14．（24-25九年级上·贵州黔东南·期末）— is an honor to come to your party today. Thanks for inviting me! —You’re welcome. Have a great time here! A．They B．It C．This D．That 【答案】B 【详解】句意：——今天能来到你的派对非常荣幸。谢谢你邀请我！——不客气。在这玩的开心！ 考查代词辨析。They他们；It它；This这个；That那个。此句中it作形式主语，真正的主语是不定式，it并无实际意义。故选B。 【点睛】当主语部分太长时为了句子平衡采用it作形式主语。 所谓形式是指句子的真正主语将在句子末段出现。 常见的现象 括号内为真实主语 1.不定式主语：It's my pleasure (to help you). 2.主语为从句：It's a pity (that she can't come). 总之把主语延后,而在句首以it代之即可。 15．（24-25九年级上·广东广州·期末）__________ everyone is ready for the trip. A．It seemed that B．It seems that C．He seems that D．She seemed that 【答案】B 【详解】句意：每个人似乎都准备旅行。 考查it固定句型。固定结构“it seems that +句子”中， it是形式主语，that引导主语从句；根据“everyone is ready for the trip.”可知这里表示现在的状态，用一般现在时态。故选B。 16．（25-26九年级上·江西新余·期末）________ a pity that many wild animals are in danger. A．It’s B．That’s C．It D．This is 【答案】A 【详解】句意：很遗憾，许多野生动物处于危险之中。 考查it固定句型。It’s它是；That’s那是；It它；This is这是。根据“… a pity that…”可知，此处考查It is+ a pity + that从句“遗憾的是……”，其中it为形式主语，真正的主语为that从句。故选A。 17．（24-25九年级下·山东滨州·期中）________ that more than two thousand people die of the COVID-19. It makes us feel scared. A．That said B．That’s said C．It’s said D．It said 【答案】C 【详解】句意：据说有超过2000人死于COVID-19。它让我们感到害怕。 考查主语从句。分析题干和选项，that引导的句子作主语，即More than two thousand people die of the COVID-19 is said，为了句子平衡这里需用it作形式主语，而把真正主语移至句末。It’s said表示“据说”，故选C。 18．（24-25九年级·湖北武汉·月考）—Mary, it’s a ________ that you didn’t travel with us. How are you feeling now? —I’m much better. Thank you. A．pleasure B．joy C．pity D．wonder 【答案】C 【详解】句意：——玛丽，很遗憾你没和我们一起旅行。你现在感觉怎么样？——我好多了，谢谢你。 考查名词辨析。pleasure愉快；joy欢乐；pity遗憾；wonder奇迹。根据“you didn’t travel with us”可知，没一起旅行是件遗憾的事，“it’s a pity that ...”是固定句型，意为“……是遗憾的”。故选C。 19．（24-25八年级上·上海黄浦·月考）Gork said ________ was their custom to kill all the aliens in the cave. A．it B．that C．this D．he 【答案】A 【详解】句意：Gork说，杀死洞穴里的所有外星人是他们的习俗。 考查代词。it它；that那个；this这个；he他。根据“… was their custom to kill all the aliens in the cave”可知，这里是it作形式主语，to kill all the aliens in the cave是真正的主语。故选A。 20．（2022·江苏徐州·中考真题）________ is our duty to make our country better and stronger. A．It B．This C．That D．One 【答案】A 【详解】句意：让我们的国家变得更好、更强大是我们的责任。 考查it作形式主语。固定句型it’s+形容词/名词 (for sb.) to do sth.“做……对某人来说……”。“duty”是名词，“to make our country better and stronger.”是真正的主语，it的句中作形式主语。故选A。 / 学科网（北京）股份有限公司 $