Unit 3 Fit for life Grammar and usage（教学设计） I. Learning objectives By the end of the lesson, students will be able to: 1. learn about the definition and verb form of the present perfect continuous tense; 2. summarize the general rules of present perfect continuous tense; 3. apply the rules in new situations appropriately. II. Key competence focus Develop the thinking ability by analyzing and summarizing the general rules of present perfect continuous tense. III. Predicted area of difficulty 1. Use present perfect continuous tense freely and properly in their writing and speaking. 2. Explore the rules of present perfect continuous tense. IV. Teaching procedures Step 1 Warming up T asks Ss to read part A on page 34 and answer the following questions. (1) How did the girl feel at the beginning when she was equipped with an artificial hand Suggested answer: She felt it did not feel like part of her. (2) What has the girl been doing since she got her new hand Suggested answer: She has been cooking for her family again. (3) What does the girl feel about the robotic hand in the end Suggested answer: She is so grateful for all the new possibilities her robotic hand has opened up. 【设计意图: 老师首先通过分享一位佩戴机械手的残疾女孩的自述，设置回答问题的练习，让学生在具体的情境中提前感知本节课的语法知识，很自然地引入本堂课的语法内容，同时引入了话题，也为本堂课的终极任务做好了铺垫。】 Step 2 Exploring and working out the rules T asks Ss to finish the table in part A. Scientists have been making great progress in robotic technology in recent years, ... Over the past three months I have been testing out the limits of what I can do with my new hand, ... ..., I have been cooking for my family again since I got my new hand. T asks Ss to finish “Working out the rules” of part A on page 34. We use the present perfect continuous tense to talk about an action that started in the past and is still continuing now, or an action that has just finished but is still connected with (1) _____ (the past/the present/the future) in some way. The verb form of the present perfect continuous tense is “(2) _____”. 3. T asks Ss to go through “Grammar notes” on page 99. Give explanations if necessary. 【设计意图：通过练习观察让学生体会现在完成进行时在语境中的用法，粗略理解现在完成进行时的概念以及它的谓语结构。并借鉴课本后面的语法笔记，对学生观察、探究、理解该语法知识点有一定的帮助。】 Step 3 Applying the rules T asks Ss to finish part B1. B1 Complete the sentences with the correct forms of the verbs in the brackets. (1) I _____ (reflect) on the article I read about ancient medicine all day. (2) I _____ (wait) for two hours to see the doctor but it is still not my turn yet. (3) My mother _____ (write) a report on the new treatment all morning. She hopes to finish it tonight. (4) The company _____ (make) herbal medicines for more than 100 years. (5) Scientists _____ (do) research on the disease since it was first discovered in the early 20th century. T asks the Ss to fini ... ...
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