UNIT 4 Section Ⅱ Using language（课件PPT）-【精讲精练】2025-2026学年高中英语选择性必修第二册（外研版）

该高中英语课件聚焦形式主语it的用法（代替不定式、动名词、从句）及harmonious、rewarding等核心词汇，通过“花费时间做某事”思维导图导入，从基础句型到分类讲解，结合即时演练搭建学习支架，帮助学生系统掌握语法与词汇知识。 其亮点在于运用思维导图梳理句型结构培养学习能力，结合“创造和谐世界”等教材例句渗透文化意识，通过单句语法填空、补全句子等即时演练提升语言能力。这一设计既助学生夯实基础，又便于教师高效开展语法与词汇教学。

UNIT 4　Breaking boundaries 主题语境——人与社会之社会进步与人类文明 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries Section Ⅱ　Using language 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 目 录 01 CONTENTS 04 语法精讲·技能培养 课时作业·知能达标 02 核心知识·关键能力 03 随堂演练·巩固提升 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 语法精讲·技能培养 01 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries to bring to see for of 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries It is no use/useless having a car It is a waste of time trying to persuade 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries It is important that we should learn from each other It was announced that It is suggested that each student(should) sing a 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 核心知识·关键能力 02 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries with in harmony with nature be more and more harmonious the world around us will 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries rewarding with Through the rewarding coming-of-age ceremon in reward for/as a reward for 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 随堂演练·巩固提升 05 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries should practise of what tha It 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries for to repair It arguing to educate 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries It is everyone's responsibility to obey the rules It is obvious that it's necessary to do deep studies 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries It is no use trying that method It is widely believed that 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 课时作业·知能达标 点击进入Word 04 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 谢谢观看 返回目录 英语·选择性必修 第二册(配WY版) 1 UNIT 4　Breaking boundaries 当动词不定式(短语)、动词-ing(短语)或者从句作句子的主语时，通常用it(不能用that，this等词)来作形式主语代替它们，而将真正的主语放在后面，以保持句子结构的平衡。此时it只起先行引导作用，本身无词义。 1．it代替不定式(短语)作形式主语 it代替不定式(短语)作形式主语的常见句型： (1)It＋ be＋形容词 ＋(for/of sb) to do sth (2) It ＋be ＋名词 ＋ to do sth (3)It takes (sb) some time to do sth (4) It's up to sb to do sth ◆It is possible to walk or bike the entire 14 kilometers. 步行或骑自行车完成全程14公里是可能的。 ◆It is a shame for us to have lost the game. 我们输了这场比赛，真丢人。 ◆It took them a year to build the bridge. 建这座桥花了他们一年的时间。 ◆It's up to us to help those in need. 帮助那些有困难的人是我们的职责。 在It＋ be＋形容词＋for sb/of sb ＋to do句型中，如果形容词描述不定式所表示动作的特征，介词用for；如果形容词描述的是人的品质、性格，介词用of。 ◆It is very important for us to learn how to deal with stress. 学会如何应对压力对我们来说很重要。 ◆It was really very kind of you to give me a lift home. 你让我搭便车回家，真是太好了。 [即时演练1]——单句语法填空 (1)It is traditional ________(bring) a gift to a housewarming party. (2)Currently，about 35，000 works are being displayed in over 300 rooms in the Louvre，and it would take a lifetime ______ (see) everything. (3)It was important ___ me to learn that you don't have to always get everything right the first time and that good things come with continual effort. (4)It's generous __ the little girl to share them with the others though she loves her toys so much. 2．it代替动词-ing(短语)作形式主语 it代替动词-ing(短语)作形式主语的常见句型： It's no use/no good/useless/a waste of time/...＋ doing sth ◆It is no use/ useless giving him some advice. 给他提建议是没用的。 ◆It's no good staying up late and working hard like that. 那样熬夜辛苦工作是没有好处的。 [即时演练2]——完成句子 (1)如果你不会开车，有车也没用。 __________________________ if you can't drive. (2)试图说服这样的人加入我们真是浪费时间，因为他已经下定决心，不太可能改变决定。 ___________________________________ such a person to join us because he has already made up his mind and are unlikely to change his decision. 3．it代替从句作形式主语 it所代替的从句可以用that引导，也可以用whether/if、连接代词或连接副词引导。常见句型： (1) It is ＋名词(a pity/a shame/a fact/an honour/no wonder/a wonder/...)that... (2)It is＋形容词(strange/natural/important/surprising/obvious/true/fortunate/ possible/impossible/likely/unlikely/clear/certain/...)＋that... (3) It＋不及物动词(happen/turn out/occur to me/appear/...)＋that... (4) It＋be＋过去分词(said/reported/expected/hoped/known/believed/...)＋that... (5)It doesn't matter＋that/what/where/whether... ◆It is our hope that in coming decades，advances in science will offer new perspective from which to study how people manage their lives. 我们希望，在未来几十年里，科学的进步将为研究人们如何管理自己的生活提供新的视角。 ◆It is known that he is one of the best teachers in our school. 大家都知道他是我们学校最好的教师之一。 ◆It happened that I wasn't there that day when you visited me. 你拜访我的那天我恰好不在那里。 ◆It suddenly occurred to me that I knew how to solve that problem. 我忽然想起我知道该怎样解决那个问题。 ◆It doesn't matter whether he comes or not. 他来还是不来都没关系。 在下列句式中，that从句要用虚拟语气：It is important/desired/suggested/ settled/requested/required/demanded/ordered/proposed/recommended...that... [即时演练3]——完成句子 (1)重要的是，我们应当互相学习，互相帮助。 ____________________________________________ and help each other. (2)(2023·新课标Ⅰ卷)根据通知，我的火车将在10分钟后到达。 _____________________ my train would arrive in 10 minutes. (3)大家提议在晚会上每个学生都要唱一首英文歌曲。 ______________________________________ a song in English in the party. in harmony with...　与……相处融洽 out of harmony with...　与……不协调一致 (教材原句)Rather，it's about countries and people making a joint effort to come together to create a more harmonious and understanding world，so that we can all enjoy the mutual benefits. 相反，这是国家和人民共同努力，共同创造一个更加和谐和相互理解的世界，使我们都能享受到互利。 [练通]——单句语法填空/ 补全句子/ 完成句子 (1)When children grow up，their ideas may sometimes be out of harmony ____ their parents' thoughts. (2)Only when we learn to exist ______________________(和大自然和谐共处) can we stop being a threat to wildlife and to our planet. (3)如果每个人都能对他人伸出援助之手，那我们的世界将会变得越来越和谐。 If everyone can reach out a helping hand to others，______________________ _______________________________．(续写佳句之主旨升华) (1)as a reward for作为(对某事的)报酬/奖赏 in reward for为酬谢……；作为奖励 (2)reward sb for (doing) sth因(做)某事而奖赏某人 reward sb with sth用某物回报某人 (教材原句) It was rewarding to see how our work helped bring people together from different cultures. 看到我们的工作如何帮助来自不同文化的人们走到一起，这是值得的。 [练通]——单句语法填空/ 完成句子 (1)But a dictionary can be a pleasure to read.A few minutes spent casting your eye over a page or two can be a _________(reward) experience.(2024·新课标Ⅰ卷) (2)The students have been working hard on their lessons and their efforts will be rewarded ____ success in the end. (3)通过这次有意义的成人礼仪式，我们意识到我们必须更加努力学习，以回报老师和父母的耐心教导。 _______________________________________，we are aware that we should study harder _______________________ the patient instructions of our parents and teachers.(应用文佳句之活动介绍) Ⅰ.单句语法填空 1．It is suggested that one _______________(practise) speaking before his/her spoken English improves. 2．It was very kind __ you to assist me to clean the dusty shelf，which saved me a great deal of time and effort. 3．It is still a mystery ____ caused the infectious virus to spread quickly in this hospital. 4．It is known to all ____ the gun powder was first invented by the Chinese. 5．__ is important for modern young people to master at least two foreign languages. 6．It is important ___ modern young people to master at least two foreign languages，as it can broaden their horizons and enhance their competitiveness in the job market. 7．It took us more than two hours _________ (repair) the computer，but the effort was worth it. 8．They are good friends.__ is no wonder that they know each other so well. 9．The old man is very stubborn.It is no use _______(argue) with him. 10．As teachers，we believe that it is our duty __________(educate) our children to be good citizens. Ⅱ.语法与写作 1．遵守规则让社会保持秩序、人民生活安定是每个人的责任。 ________________________________________ to keep the society in order and people's lives safe. 2．显而易见，听和说对我们的学习有很大帮助，尤其是对我们的英语学习。 ________________ listening and speaking are of great help to our study，especially to our English learning. 3．就我个人看来，对两种方法的比较进行深入研究是必要的。 As far as I'm concerned，_____________________________ on the comparison of the two methods. 4．尝试那种方法没有用，因为它不起作用。 __________________________，because it won't work. 5．人们普遍认为中国肯定会在世界上发挥越来越重要的作用。 _____________________ China will certainly play a more and more important part in the world. $