2026届高三英语一轮复习构词法公开课导学案

永州陶铸中学 厚德 笃学 诚朴 坚毅 高三一轮复习之构词法Word Formation 授课教师：汤穗 I Teaching Objectives 1.Students can accurately identify and explain the three core word-formation methods: Derivation, Compounding, and Conversion. 2. Improve students’ ability to expand vocabulary efficiently by using word-formation rules, laying a foundation for reading comprehension and writing. 3. Enhance students’ skill in applying word-formation knowledge to solve exam questions (e.g., cloze, reading, and writing) and infer the meaning of unknown words. 4. Boost students’ confidence in senior three review by helping them master practical vocabulary-learning strategies. Ⅱ Teaching Procedures Step I Lead-in Activity 1: Contextual Warm-up Show a news snippet from The China Daily and introduce the topic of the lesson: "On Monday, the winners of a couplet contest inspired by Nobel laureate Mo Yan were unveiled. Twenty-one-year-old postgraduate student Song Kejia claimed the first prize, receiving high praise from experts and drawing widespread attention." Step Ⅱ Presentation: Three Core Word-Formation Methods A. Derivation Step 1: Use the example "unbelievable" on the PPT to explain the derivation. Step 2: Introduce some common prefixes 1. Negative prefixes: anti- (antiwar), dis- (dislike), in- (incorrect), il- (illegal), ir- (irregular), non- (nonstop), un- (unlucky), mis- (misunderstand). 2. Other prefixes: inter- (international), pre- (preview), post- (postgraduate), de- (degrade), trans- (transform)... Step 3: Introduce some common suffixes 1. Noun suffixes: -ian (politician), -ant (participant), -ence (difference), -ment (development). 2. Adjective suffixes: -less (homeless), -ful (helpful), -ous (dangerous) and so on. 3. Verb suffixes: -ize/ise (realize), -en (strengthen), -fy/ify (beautify). 4. Adverb suffixes: -ly (quickly), -ally (academically). Step 4: Practice 1. Play a relaxing game 2. Guide students to analyse the word-decarbonize 【25年新高考I卷阅读理解A篇】 As the world races to decarbonize everything, it faces particular problems with transportation—which accounts for about a quarter of our energy-related greenhouse gas emissions. B. Compounding (6 minutes) Step 1: Explore the rules of compound words through some examples. "Compound words are formed by combining two or more words. Some use a hyphen (-), some are written together, and some are separate." Step 2: Guess-the-Word Game Show some compound words from recent Gaokao exams and ask students to work in pairs to guess their meanings. C. Conversion (6 minutes) Step 1: Show the two classic sentences on the PPT: 1. Never trouble trouble till trouble troubles you. 2. Can you can a can as a canner can can a can? Ask students to identify the part of speech of each underlined word and figure out what is conversion. "Conversion changes the part of speech of a word without changing its form. Step 2: Practice Show several 2025 Gaokao examples and guide students to work out the meaning of these underlined words. 1. 【2025新高考I卷听力第十段】The people who put the signs in their yards created a real homeowners association to address climate change in their communities. 2. 【2025新高考I卷阅读C篇】Jane Jacobs called on her mayor(市长) to champion “New York as a decent place to live, and not just rush through.” 3. 【2025新高考I卷阅读D篇】We should be looking into upgrading drinking water treatment plants so they remove microplastics. Step Ⅲ Be a Challenge Embracer (10 minutes) There are three challenging tasks for students and they will finish the task through a game. Task1. 转换法 Practice: 1.定期锻炼身体是必须的。（建议信） 2.紧张又害怕，Max把信递给了我。（读后续写） 3. 他低着头朝门走去。（读后续写） Task2. 派生法 Practice 1. 【2025年全国一卷】 "... You try to lead the opponent into your trap and force them to follow your 59. _____________(guide) till they lose," explains Wang Wei, ... 2. 【2025年全国一卷】Tu says it was the balance between the black and white pieces, beauty in the 63. _____________ (strategy) placement of the pieces, 64._and_the energy flow following each move that inspired artists to create oil paintings, sculptures, 65.____________ (digital) generated graphics and silk-screen prints for the showcase. Task3. 合成法 Practice 1. (2025新课标I卷阅读A篇) This energy transition is global, and the amount of renewable energy the world will need is “a little bit mind-blowing,” says mechanical engineer Keith Wipke ... 2. (2025新课标I卷七选五) Need a break between classes or just a quick pick-me-up in the morning? 3. (2025新课标II卷阅读D篇) To improve the UK’s zero-waste systems. Step Ⅳ Summary Use a mind map on the PPT to review all 6 word-formation methods: Derivation: Root + Prefix/Suffix Compounding: Two/more words combined Conversion: Change part of speech (no form change) Blending: Combine parts of two words (e.g., brunch = breakfast + lunch) Clipping: Shorten a word (e.g., app = application) Abbreviation: First letters of words (e.g., WTO = World Trade Organization) Step Ⅴ Homework task1. 用思维导图总结上课所学内容 task2. 完成训练手册 P517 Ⅲ. Teaching Reflection 52 学科网（北京）股份有限公司 $