Unit 4 Period 2 Learning About Language（课件）英语人教版选择性必修第二册

该高中英语课件聚焦人教版选择性必修第二册Unit 4核心词汇及过去分词作表语、状语的用法，通过教材原句设问导入，衔接课文语境，搭建从感知-ed形式成分、逻辑主语到归纳语法规则的学习支架，帮助学生系统掌握语言知识。 其亮点在于情境化任务与分层教学结合，如旅行博客写作要求运用过去分词结构和单元词汇，提升语言能力，通过小组对话、自评等培养思维品质和学习能力。基础与提升层写作范文提供阶梯式指导，教师可借助系统讲练方案高效实施教学，学生在真实语境中提升语言运用与思维能力。

Unit 4 Journey Across A Vast Land 高中英语人教版选择性必修第二册 Learning About Language Learning objectives Learn and properly use the unit’s core vocabulary and expressions in contexts. Understand past participles functioning as predicates and adverbials and master relevant sentence transformation. Finish practice tasks and travel-related short writing with accurate language structures. . 目录 1.情景导入 2.单元词汇闯关赛 3.语法初探 4.重难点辨析讲练 5.综合句型闯关 6.话题微写作 7.课堂总结 8.自我评价 9.作业布置 01. 情景导入 Niagara Falls尼亚加拉瀑布 the Andes Mountains安第斯山脉 Lake Louise路易斯湖 St. Lawrence River圣劳伦斯湖 教材原句导入 1.They were pleased to see the beautiful mountains looking out over the city. 2.Seen from the train window, the mountains and forests of Canada looked massive. 3.The girls were amazed to see such an open country. 设问1：以上句子中划线的-ed形式分别在句中充当什么成分？ 设问2：Seen from the train window这个分词的逻辑主语是谁？ 设问3：这些-ed表达主动含义还是被动含义？ 02. 单元词汇闯关赛 Round 1 短语填空 Complete Samuel’s story with the correct phrases.  bound for a massive amount of money urban areas commercial world   1.In Canada, _________________________has been spent on preserving the forest, and the country's deforestation rate is among the world's lowest. 2.A growing number of woodworkers have decided to move to the ______________for better jobs. 3.Aboard the plane____________________Toronto, Samuel, a young woodworker, began imagining a whole new life in the big city. 4.However, he also had some worries. Ideally, he wanted to make a living in the arts, but he also knew well that it was somewhat a ______________. a massive amount of money urban areas bound forbound for commercial world Round 2 首字母填空 根据句意及首字母写单词。 1.It's f___________ (冰冻的) here—can't we shut a few windows? 2.Only in the southern part of Beijing have I seen such s__________ (风景) as this. 3.That question that we were worried about a____________ (出现)． 4.It's always p_____________ (令人愉快的) to do what you're good at doing. 5.He had left a huge b___________ (束) of flowers in her hotel room. 6.200 peace activists are planning to set up a peace camp at the b____________ (边界)． 7.One of the h____________ (最精彩的部分) of the trip was seeing the Taj Mahal. 8.With their volcanoes ，valleys and waterfalls , the islands of Hawaii have some of the most s__________________ (壮观的) views on earth. reezing scenery arose pleasant unch order highlights spectacular 03. 语法初探 Step1.学生观察句子，完成归纳。 Group 1 1.They were pleased to see the beautiful mountains looking out over the city. 2.The girls were amazed to see such an open country. →过去分词放在系动词后，作_________，描述主语感受、状态。 表语 学生观察句子，完成归纳： Group 2 1.Seen from the train window, the mountains and forests of Canada looked massive. 2.When asked what the trip meant to him, the man said it was “an experience of a lifetime”. →过去分词作____________，表时间、条件、原因、让步，和句子主语是_________关系。 状语 被动 Step2.归纳过去分词作表语和作状语。 过去分词作表语： 过去分词作状语： 跟在系动词后，如________________________________, 描述主语状态。 be, feel, look, remain,get 逻辑主语=主句主语，存在_________（主动/被动）关系； 可以还原为_____________(定语从句/状语从句)。 被动 状语从句 Step3.当堂小练。 用分词改写状语从句 1.When the scenery was seen from the top of the mountain, the scenery was really fascinating. →________________________________the scenery was really fascinating. 2.When they heard that the Sea-to-Sky Highway was Canada’s most scenic drive, they made West Vancouver their first destination. →________________________________________________________ they made West Vancouver their first destination. When seen from the top of the mountain, When hearing that the Sea-to-Sky Highway was Canada’s most scenic drive, 04. 重难点辨析讲练 Task 1 过去分词作表语VS被动语态 体会下面的句子，区分-ed形式是系表结构还是被动语态。 1.This lake is badly polluted.（__________，状态） 2.This lake is badly polluted by a paper mill.（__________，动作） 3.This book is well written.（__________，状态） 4.This book was written by Lu Xun.（__________，动作） 两者区别：（1）系表结构：侧重状态； （2）被动语态：侧重动作，有动作执行者。 系表结构 系表结构 系表结构 被动语态 Task 2 感受-ed/-ing区别 -ed：感到……的 surprised感到惊讶的 discouraged感到泄气的 frightened感到害怕的 -ing：令人……的 surprising令人惊讶的 discouraging令人泄气的 frightening令人害怕的 两种分词作表语和定语的区别如下： 用括号内词正确形式填空。 1.We were __________________(surprise) at what he said. 2.His speech was______________(discourage), which made many people ________________(discourage). 3.The ____________(frighten) look on her face showed she was ___________(frighten) by the ____________(frighten) scene. surprised discouraging discouraged frightened frightened frightening Task 3 改写句子练习 把下列含有状语从句的句子改为“分词作状语”。 1.When it is seen from the plane, the Rocky Mountains look amazing. 2.If we are given another chance, we will visit the Canadian national park. 3.Because she was greatly inspired by the scenery, she wrote a travel journal. 4.Though they were warned of heavy snow, the tourists still went on their trip. 把下列含有状语从句的句子改为“分词作状语”。 1.When it is seen from the plane, the Rocky Mountains look amazing. →_____________________________________________________________ Seen from the plane, the Rocky Mountains look amazing. 把下列含有状语从句的句子改为“分词作状语”。 2.If we are given another chance, we will visit the Canadian national park. →___________________________________________________________ Given another chance, we will visit the Canadian national park. 把下列含有状语从句的句子改为“分词作状语”。 3.Because she was greatly inspired by the scenery, she wrote a travel journal. →_____________________________________________________________ Greatly inspired by the scenery, she wrote a travel journal. 把下列含有状语从句的句子改为“分词作状语”。 4.Though they were warned of heavy snow, the tourists still went on their trip. →____________________________________________________________ Warned of heavy snow, the tourists still went on their trip. 05. 综合句型闯关 Task 1 词汇语境应用 用方框里的词语完成单句填空。 antique beauty breath bay highlight curtain airline peak frost creature 1.After arising in the morning, the first thing he does is to draw the________________. 2.He was impressed by her ________________and charm. 3.The visitors were admiring the________________dating back to the 17th century. 4 .We all remember the________________of the trip‑visiting the Huangguoshu Waterfall. 5.Protect the________________which are unique to Australia and their natural habitats. 6.What________did you fly? 7.It is one of the most difficult________________to climb in the Rocky Mountains. 8.The beauty of Qinghai Lake took the visitors’ ____________away. 9.In freezing cold winter, windows are often covered with________________. 10.We sailed into a beautiful________________in the southwest of Canada. curtains beauty antiques highlight creatures airline peaks breath frost bay Task 2 情境对话输出 情境：你和朋友谈论加拿大旅行经历，对话中至少要用上一处过去分词作状语或表语。 要求：小组准备2分钟，2-3组课堂展示。 Example： A: How do you feel about your trip to Canada? B: I was amazed (表语) by its huge land. Seen from the train (状语), the mountains are beyond description. 06. 话题微写作 情境导入：假如你是李华，你刚刚结束一场横跨加拿大的火车旅行，你 要在个人旅行博客发布短文，向网友分享旅途片段。 要求：1.运用本节课学到的单元新词汇以及过去分词相关结构完成博客 短文。 2.展示评价：小组展示、师生互评，聚焦词块运用、语法正确、 逻辑表达三维度点评纠错。 基础层写作要求 提升层写作要求 1.词数：80词左右，博客短文，写加拿大旅途片段。 2.词汇参考：至少使用3个本单元新词汇（可选用：massive, spectacular, antique, craft, highlight, bay, peak 等）。 3.语法参考：至少1处过去分词作表语（描述人的感受，如be astonished /be pleased /be amazed）；至少1处过去分词作状语（放在句首或者句末，表时间、条件或伴随）。 1.词数：100词左右，旅行博客，增加细节描写。 2.词汇参考：至少使用5个本单元新词汇，尝试使用词块，如bound for、a bunch of等。 3.语法参考：至少2处过去分词作表语；至少2处过去分词作状语，其中一处尝试使用“连词 + 过去分词”结构。 4.提升要求：可以增加旅途心理感受、所见人文小细节，行文逻辑连贯。 基础层写作范文 I went on a trip across Canada last summer. I was astonished at its massive land. Seen from the train window, the rocky peaks look spectacular. We visited local shops selling antiques and crafts. One of the highlights of our journey was watching the sunset in a quiet bay. Tired but pleased, we really enjoyed this unforgettable journey. 提升层写作范文 Bound for the west of Canada, we spent two weeks travelling across the vast land. We were fascinated by the awesome natural scenery and were pleased with every unexpected surprise on our way. Surrounded by thick forests, small towns look peaceful. When asked about my favourite part of the trip, I would say the amazing mountain views. Greatly inspired by what we saw, I kept a travel journal every day and collected a bunch of local antiques. It was truly an experience of a lifetime. 07. 课堂总结 Using Language 01 02 bound for arise spectacular highlight a bunch of massive Key words & phrases 1.作表语（系动词后）： 2.作状语 逻辑主语，被动含义 含义：时间 / 条件 / 原因 / 让步 / 伴随 Past participleg 08. 自我评价 Learning Objectives Score(1-5) 1.After learning, I am able to know and understand rules of key words and expression in this unit. 2.After learning, I am able to master the rules of past paticiple and -ing form. 3.After learning, I am able to combine the usage of words with grammartical rules. 5-完全能；4-基本能；3-不确定；2不太能；1-完全不能 09. 作业布置 情境任务：学校英文报专栏 My Unforgettable Trip，号召同学们分享一次国内短途旅行经历。请你投稿，描写一处游览过的景点，介绍风景与你的旅行感受。 基础层写作要求 提升层写作要求 1.交代旅行地点。 2.简单描写景点风光。 3.至少使用 3 个过去分词（作定语/状语）。 4.简单写出旅行感受。 1.交代旅行背景。 2.运用过去分词作状语+定语多角度描绘景色。 3.结合所见抒发旅行感悟。 4.至少使用 4 个过去分词结构。 5.恰当使用衔接词，行文连贯。 基础层写作要求 My Unforgettable Trip Located in the north of our province, the mountain is a well‑known tourist spot. Surrounded by green trees, it attracts lots of visitors every year. Shocked by its amazing views, I climbed to the top with my friends. Seen from the peak, the whole town lay below. Delighted by this journey, I really enjoyed the relaxed time. This precious memory stored in my mind will never fade away. 提升层写作要求 My Unforgettable Trip Last weekend, I took a short trip to a mountain located in our province. Surrounded by thick forests, it is a popular tourist spot admired by thousands of visitors. Exhausted but excited, I reached the mountain top. Seen from here, the small villages buried in valleys looked extremely beautiful. Greatly impressed by the splendid scenery, I realized travelling broadens our horizons. Filled with joy, I hope to explore more attractive places in the future. Thanks for your attention! $