Unit 6 Section B Vocabulary in Use教学设计 2025-2026学年人教版英语八年级下册

该初中英语教学设计聚焦否定形容词构成及语境运用，通过复习前课文化习俗，以polite、formal等词的反义词提问引入主题，搭建从旧知到新知的学习支架，衔接前后知识脉络。 特色在于融合文化意识与语言能力，借助筷子礼仪短文练习让学生理解文化差异，分析前缀规则培养思维品质，分层作业满足不同需求。情境化练习和产出活动提升学生词汇运用与跨文化沟通能力，为教师提供清晰教学流程和实用资源。

教学内容 Unit 6 Crossing Cultures Section B Vocabulary in Use 课 时 第6课时 备课日期 授课日期 教学目标 Language Ability Master the negative forms of adjectives using prefixes un-, im-, in-, ir- and use them correctly in sentences. Use the correct forms of words from the box to complete a passage about chopstick etiquette. Cultural Awareness Understand cultural differences reflected in the vocabulary exercises. Appreciate how language is used to describe appropriate and inappropriate behavior in different cultural contexts. Thinking Quality Analyze the rules for forming negative adjectives with prefixes. Infer the meaning of new words based on prefixes and context. Learning Ability Use vocabulary-building strategies to learn and remember new words. Apply vocabulary knowledge to complete contextual exercises and express ideas about cultural customs. 教学 重点、难点 Forming negative adjectives with un-, im-, in-, ir-; using the correct word forms in context. Choosing the correct prefix for negative adjectives; using words appropriately to describe cultural behavior. 教学准备 Multimedia equipment, PPT, audio materials 教学活动设计 教学过程 设计意图 二次备课 Step 1: Lead-in Review the cultural customs from the previous lessons. Write adjectives like polite, formal, proper on the board and ask students: "What are the opposites of these words?" Introduce the topic: "Today we are going to learn how to form negative adjectives using prefixes and practice using vocabulary to talk about cultural customs." Step 2: Vocabulary Presentation Activity 2a: Write down the negative forms of adjectives Have students look at the list of adjectives in 2a and write their negative forms using un-, im-, in-, ir-. Explain the rules for choosing the correct prefix. Step 3: Vocabulary Practice Activity 2b: Complete the sentences with correct forms Have students work individually to complete the 5 sentences in 2b using the correct forms of the adjectives in brackets. Check answers in pairs and then with the whole class. Activity 2c: Circle the correct words Have students read the conversations in 2c and circle the correct words. Explain the difference between -ed and -ing adjectives. Activity 2d: Complete the passage with correct forms Have students read the passage in 2d and fill in the blanks with the correct forms of the words. Check answers and explain any difficult phrases. Step 4: Production & Extension Pair work: Describe cultural customs Divide students into pairs. Ask them to write 3 sentences about cultural customs using the negative adjectives and -ed/-ing adjectives learned in the lesson. Have pairs share their sentences with the class. Step 5: Summary & Homework Review the rules for forming negative adjectives with un-, im-, in-, ir- and the difference between -ed and -ing adjectives. Emphasize how these words help describe appropriate and inappropriate behavior in different cultures. Step 6: Homework Basic Level: Write the negative forms of 10 adjectives and use 5 of them in sentences. Intermediate Level: Write a short paragraph about a cultural custom you find interesting, using at least one negative adjective and one -ed/-ing adjective. Advanced Level: Create a dialogue between two people from different countries, using the target vocabulary to discuss cultural misunderstandings and advice. To activate prior knowledge, introduce the target vocabulary, and create a context for the lesson. To help students discover the rules for forming negative adjectives, deepen their understanding of prefixes, and prepare for practice. To provide controlled practice of the target vocabulary, reinforce word usage, and apply rules to new contexts. To encourage students to use the target vocabulary in a creative and meaningful way, connect vocabulary to real-life cultural experiences, and enhance communicative competence. 板书设计 Unit 6 Crossing Cultures Section B Vocabulary in Use Prefixes Negative Adjectives un- unsafe, unfriendly im- impolite, improper in- informal, incorrect ir- irregular, irresponsible Adjectives -ed: feelings; -ing: things 教学反思 学科网（北京）股份有限公司 $