Unit 4 Adversity and courage Discover Useful Structures 现在完成进行时教案-2022-2023学年高中英语人教版（2019）选择性必修第三册

人教版（2019）高中英语选修三Unit 4 Adversity and Courage Discover useful structures Teaching contents 教学内容 Discover useful structures 现在完成时语法讲解 Type课型：Grammar Teaching Objectives 教学目标 1. To master the usage of the present perfect continuous tense. 2. To distinguish the present perfect continuous tense from the present perfect tense. 3. To use the present perfect continuous tense to express your own ideas in the real situations. Teaching key points 教学重点 1. To master the usage of the present perfect continuous tense. 2. To distinguish the present perfect continuous tense from the present perfect tense. Teaching difficult points 教学难点 To use the present perfect continuous tense to express your own ideas in the real situations. Teaching procedures 教学过程 I. Lead in II. Observe and analyse III. Practices and promotions IV. Language use and share V. Summary and homework Teaching details 教学详案 I. Lead in Look at the sentence in the present perfect continuous tense. Find more examples from the previous text and discuss the function of the tense. EXAMPLE This is the adventure that I have been dreaming of. II. Observe and analyse Activity 1 Observe and summarise the function of the present perfect continuous tense. 1. She has always been working hard. 她工作一直很努力。 2. He has been teaching in this school since 1990. 他自1990年就一直在这所学校教书。 3. They are tired and thirsty, because they have been planting trees all the morning. 他们又累又渴，因为他们一整个上午都在种树。 Activity 2 Observe and identify the differences between the present perfect continuous tense and the present perfect tense. 1. I have read the book. I have been reading the book. 2. I have waited for you for two hours. I have been waiting for you for two hours. 3. They have lived here since 1970. They have been living here since 1970. III. Practices and promotions Activity 1 Read each situation and rewrite each sentence using the present perfect continuous tense. 1 The dog started to bark about two hours ago. I really hope it will stop soo