Unit 1 Teenage Life Workbook p.71(构词法) 课件-2026-2027学年高中英语人教版必修第一册

该高中英语课件聚焦构词法核心知识，涵盖派生法（前缀、后缀）、合成法、转化法及缩略法。以"confuse"派生词例句为导入，通过规则解析（如un-否定前缀、-tion名词后缀）与实例（classroom等合成词）构建从具体到抽象的学习支架，衔接练习巩固应用。 其亮点在于实例驱动与分层实践，通过派生词辨析（如confusing/confused）、复合词制作（如airline）等活动，提升语言能力（构词规则理解与表达）和思维品质（分析、创造新词）。系统总结方法助力学生掌握学习策略，提升学习能力，教师可高效开展词汇教学，帮助学生夯实词汇基础。

构词法 人教版必修一 Unit 1 Workbook using words and expressions Lead-in They confused me by asking so many confusing questions. I was totally confused, sitting there in confusion and not knowing what to do. 他们问了那么多难以理解的问题，让我很困惑。我彻底糊涂了，困窘地坐在那里，不知道接下来要做什么。 派生词 confuse→confusing/confused adj.→confusion n. Exploration 派生法 1. 前缀（Prefix）—— 改变词义 前缀 含义 示例 un-/in-/im-/ir-/il- 否定 unhappy, inconvenient,impossible, irregular, illegal re- 再次 rewrite, recycle, review pre- 在…之前 preview, predict, prefix mis- 错误 misunderstand, mislead over- 过度 overwork, overestimate under- 不足 underestimate, underground inter- 相互/之间 international, interact super- 超级 supermarket, superman Exploration 派生法 2. 后缀（Suffix）—— 改变词性 词性 常见后缀 示例 名词 -tion, -sion,-ment, -ness, -er/or, -ist education, decision, movement, happiness, teacher, actor,scientist 形容词 -ful, -less, -ive, -ous, -able/ible careful, careless, active, dangerous, suitable,terrible 副词 -ly quickly, happily 动词 -ize, -en modernize, widen.enrich Exploration 合成法 两个或多个独立单词组合成新词。 类型 示例 名词+名词 classroom, toothbrush, sunrise 形容词+名词 highway, blackboard 名词+动词 sunbathe, babysit 副词/介词+名词 overcoat, underground Practice Look at the words below. Cross out the one that does not belong to this group and think of more words to add to this group. teenage freshman literature outgoing greenhouse wildlife online cheerleader extra-curricular Textbook p.71 Practice Use the words below to make compound words and then explain their meanings. air country hand bed home under web Textbook p.71 line man side made site room sick airline airman airsick countryman countryside handmade bedroom bedside homemade homeroom homesick underline underside website 航空公司 空乘人员 晕机 同乡/乡下人 乡村 手工制作 卧室 床边 自制的 课前点名教室 思乡 下划线/强调 底部 网站 Exploration 转化法 不改变词形，直接转换词性。 I booked a book about how to water plants with water. 我预订了一本关于如何用水浇植物的书。 原词性 新词性 名词 → 动词 water（水→浇水）, book（书→预订）, hand（手→递交） 动词 → 名词 look（看→样子）, swim（游泳→游泳活动） 形容词 → 动词 empty（空的→倒空）, cool（凉爽的→冷却） Exploration 缩略法 截短：advertisement → ad, laboratory → lab 首字母缩略：NBA, UNESCO, DIY NBA=National Basketball Association国家篮球协会 UNESCO=United Nations Educational, Scientific, and Cultural Organization联合国教科文组织 DIY=Do It Yourself 自己动手做 Practice Some words can be used as a verb and as a noun. Find these words in the sentences and explain their meanings. volunteer challenge focus graduate schedule Textbook p.71 1 Oscar challenged me to a game of chess and I accepted the challenge. 2 Some experts worry that parents schedule too many extra-curricular activities for their kids. The kids have a busy schedule every day and do not get enough sleep. 3 OK, listen up, please! We need a volunteer to help organise the school dance on Saturday. Who wants to volunteer? 4 The focus of today's meeting is how to stay safe at school. Please focus on this problem. 5 My cousin Jim is a Tsinghua University graduate. After graduating, he now works as a designer. v. n. v. n. n. v. n. v. n. v. Practice Complete the passage with the correct forms of words below. online sign debate attract youth speech schedule prefer recommend Textbook p.71 What are teenagers into and what turns them off? A(n) ______ questionnaire asked 1,000 senior high school students about their likes and dislikes. According to the results, taking exams and speaking in front of others are among the least popular activities for today's ______. Many students like to ______ interesting topics with their classmates but feel awkward or uncomfortable when they have to give a(n) ______ in class. online youth debate speech Practice Complete the passage with the correct forms of words below. online sign debate attract youth speech schedule prefer recommend Textbook p.71 Nearly half of the teenagers think that their _________ are too busy. They wish they had not ______ up for so many courses and extra-curricular activities. The older teenagers say that they ____________ that freshmen wait until the second term before they join a team or club. What _________ today's teenagers the most? Not surprisingly, listening to music and playing computer games are common favourites. Watching videos is popular, too, and 21 percent say that they ______ reading. schedules signed recommend attracts prefer THANKS 人教版必修一 Unit 1 Workbook using words and expressions $