Unit 1 The mass media Grammar and usage 学案-2022-2023学年高中英语牛津译林版（2020）选择性必修第二册

Book 2 Unit 1 The mass media Grammar I.学习目标: By the end of the section, students will be able to: 1. Understand the usage of the past perfect tense; 2. identify the verb form of the past perfect tense; 3. use the right forms of the past perfect tense to correct the mistakes and complete an article; 4.apply the past perfect tense in new context. II.导读导学 Read the following sentences and work it out the rules By the end of last term, we （learn）5000 new words. The bus (leave)by the time I got there. After he (learn)all the words，he found it easy to learn English，Before he slept, he (work)for 12 hours. The film (be)on for 5 minutes when I got to the cinema. Yesterday he told me that he (not eat)anything since Tuesday. I saw Mr. Smith last Sunday. We (not see)each other since we left Paris. 一、过去完成时的概念与结构特点 概念：过去完成时表示在过去某一时间之前或动作之前已经发生或完成的动作，即“过去的过去（past-in-the-past）” ----|-------------------------- |-----------------------