Unit 1 The mass media Grammar and usage 课件-2021-2022学年牛津译林版（2020）高中英语选择性必修第二册

Unit 1 The mass media Grammar and usage By the end of the last holiday, what had you done? Step 1 Lead-in 过去完成时（Past perfect tense) 过去完成时表示过去某一时刻或某一动作之前已完成的动作或状态（亦可以说是“过去的过去”） By the time I got up, my sister had already washed all the clothes. I had done my homework before I went to bed. Step 2 Exploring and working out the rules 1. He regularly visited the library and studied English and Law---by then he had learnt very little English. 2. By the age of 25, he had become a publisher. 3. He used the same business strategy he had employed at the St Louis Post-Dispatch and sales of the newspaper mounted up until it was the bestselling newspaper in the country. Finish the table in part A. User (U) - 正文开始页。如有多余页面请自行删除。 请务必留意，使用带有译林出版社logo底板的幻灯片 Step 2 Exploring and working out the rules • We often use the past perfect tense to talk about something that happened (1) ____________ (before/af