Unit 2 Discovering Useful Structures 导学案--人教版高中英语必修第二册

第一学期高一级英语导学案【单元标题】 Book 2 Unit 2 第 4 课时 Discovering Useful Structures导学案【单元主题】本单元以“学会保护濒危动物”为主题，通过学习

第一学期高一级英语导学案 Discovering Useful Structures 【单元标题】 第课时 Book 2Unit 24 导学案 【单元主题】本单元以“学会保护濒危动物”为主题，通过学习我 国保护珍稀野生动物的措施和取得的成就，了解野生动物的生存现状。 【学习目标】 1. Learn to know the structure of present continuous passive voice. 2. Learn to use present continuous passive voice to describe the ongoing events. 【学习过程】 【自主探究案】现在进行时的被动语态 Task 1Underline the present continuous passive voice in the sentences and ： discuss its function. African elephants are being hunted. What is being done to help them? What measures are being taken to help them? Task 2: Discovering the structure of present continuous passive voice 1) 现在进行时基本结构 (1) 肯定结构: ___________________________________________ (2) 否定结构: ___________________________________________ (3)+being done? 一般疑问句结构:+主语 (4)+am/is/are++being done? 特殊疑问句结构:主语 【应用实践】 句型转换。 ①The walls are being painted now. (变成一般疑问句)