Unit 3 Fit for life Grammar and usage 教学设计-2025-2026学年高中英语译林版选择性必修第二册

Book 2 Unit 3 Fit for life Grammar and usage Present perfect continuous tense 教学目标 By the end of this section, students will be able to: 1. identify the verb form of present perfect continuous tense; 2. summarize the general rules of present perfect continuous tense; 3. describe an activity, using present perfect continuous tense. 教学重难点 1. To summarize the general rules of present perfect continuous tense; 2. To describe an activity, using present perfect continuous tense. 教学过程 步 骤 教学活动 设计意图 互动时间&模式 Lead-in Step 1 The teacher asks students about their knowledge of some advances in medical science and their influence on people’s life, especially those who are less mobile. 1. Students come up with their own ideas and the teacher concludes that life is no longer difficult for those who are less mobile. 2. The teacher raises the question below and guides students to read the passage on Page 34. How did the girl who lost her right hand in an accident go about her daily life? 由单元话题导入本课语法项目，活跃课堂气氛，在呈现目标语法知识之前提供引导性的语料，自然引入语法模块的阅读语篇。 3’ Individual Work Exploring the rules Step 2 1. The teacher has students read the passage in Part A on Page 34, and pick out the sentences in present perfect continuous tense. 2. The teacher has students tell the time or action background of the present perfect continuous tense in the sentences, and finish “Working out the rules” on Page 34. 3. The teacher has students explain the rules and read the examples of present perfect continuous tense in “Grammar notes” on Page 99. 引导学生在与单元主题语境关联的“机械手臂”的新语篇中，观察现在完成进行时的基本构成，探究、归纳出现在完成进行时使用的一般规则。 10’ Individual Work Pair Work Applying the rules Step 3 1. The teacher asks students to complete the sentences in Part B1 on Page 35, and give explanations with the rules learnt. Complete the sentences with the correct forms of the verbs in the brackets. 2. The teacher asks students to finish Part B2 on Page 35, and consolidate present perfect continuous tense by distinguishing it from other tenses. Circle the correct expressions to complete the article about robotic limbs. 设计巩固操练和实际运用的教学活动，帮助学生内化语法规则，强化句法意识。 20’ Individual Work Step 4 The teacher guides students to practise the rules of present perfect continuous tense by finishing Part B3 on Page 35. A student is interviewing David Jones about the research his team has been doing. In pairs, role-play the interview using the present perfect continuous tense. 让学生通过小组讨论、角色扮演，在对话中运用现在完成进行时，讲述机械手臂的研究活动，实现“形式—意义—使用” 三者的统一。 10’ Class Work Homework 1. Go through the Grammar notes on Page 99. 2. Finish Part C on Page 70. 2’ 第 1 页 共 3 页 学科网（北京）股份有限公司 $$