Unit 3 Food and Culture Discover Useful Structures 语法导学案-2023-2024学年高中英语人教版（2019）选择性必修第二册

高二年级英语选修一导学案 科目：英语 课型：新授课 主备教师： 副备教师：高二年级全体英语老师 班级： 姓名： 座号： 评价： 课 题 选择性必修二 Unit3 Food and Culture Learning aims To learn to use the past perfect tense and the past perfect passive voice. To make sentences using the past perfect tense and the past perfect passive voice. Difficult and important points Difficult points:To learn to use the past perfect tense and the past perfect passive voice. Important points: To make sentences using the past perfect tense and the past perfect passive voice. Emotional aims To make sentences using the past perfect tense and the past perfect passive voice. 学习准备 教师准备: 多媒体课件 导学案 教学课时：2课时 Stept.1. Lead -in Watch a video and sense the usage of the past perfect tense: What had they done? 1) I realized I had rinsed my mouth with aftershave instead of mouthwash. 2) I had meant to put it in the dryer before I started getting ready. 3) After I had waited for a few minutes, I realized I had put my shirt on inside out. Stept2. 过去完成时的定义 定义①：表示在过去某一时间或动作之前已发生或完成了的动作，即“过去的过去”。 Hong Kong ____________ (return) to China before Macao came back to China. By the time the policeman got to the shop, the thief had run （run）away. By the end of June, they _____________ (treat) over 800 patients. 由时间状语来判定: before(连词/介词) + 过去的时间点“在...之前”by +过去的时间点 “到...为止”by the end of +过去的时间点“到...为止”by the time +(一般过去时) “到...为止” 1. I ________________(finish) reading the novel by nine O'clock last night. 2. Six hundred trees _______________(plant) before last Wednesday. 3. They ___________(leave) before we arrived at the school. 4. Breakfast _________________(serve) by the time I got up. 定义②：动作从过去某时延续到过去某时：for/since 1).Kevin (be) a newspaper reporter for two years [before he became a businessman. 2). He said he ____________ (work) in that factory since 1949. 3). I had been at the bus stop for 20 minutes when a bus finally _______ (come). 2.过去完成时的常见句型: ①It was the +序数词+ time that 主+ had done 这是某人第