Unit1 Grammar and usage过去完成时课件-2022-2023学年高中英语牛津译林版（2020）选择性必修第二册

Unit 1 The Mass Media Grammar and usage 讲课人：Maggie A Exploring the rules Read the short life story of Joseph Pulitzer and find the sentences that use the past perfect tense. The first one has been done for you. Below is the short life story of Joseph Pulitzer. Find the sentences that use the past perfect tense and fill in the box below. What do you know about Joseph Pulitzer? Birthday: April 10, 1847 Died At Age: 64 Joseph Pulitzer was one of the most prominent(杰出的) US journalists and publisher of his times, who initiated(开创) the pattern of modern newspaper. Check your answers! 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… before had Focus on 基本用法 Past perfect tense 过去完成时 CONTENTS 定义 Definition 1 2 3 4 基本结构 Basic structure 基本用法 Basic usage 常用固定搭配 Sentence pattern ① She had learned some English before she came to the institute. 她在来学院前已学过一些英语。 ② He said that he had been abroad for 3 years. 他说他在国外待了3年了。 过去完成时主要用来表示在过去之前发生的事或做的动作，即过去的过去，通常与一般过去时连用。 定义 肯定式为__________________； 否定式为__________________； 被动式为__________________。 ① She said she had never been to Paris.  她说她从未去过巴黎。 ② I didn’t know the way to John’s house because I hadn’t been there before. 我不知道去约翰家的路，因为我之前没去过。 ③ The work had been finished by us before last Friday. 我们在上星期五前就完成了这项工作。 had done had not done had been done 过去完成时的基本结构 过去完成时的基本用法 1. 表示在过去的某一时间或某一动作之前完成的动作或存在的状态。 ① Before we got to the train station, the train had already left. 我们到达火车站之前，火车就已经离开了。 ② Before I could say “thank you”, he had run away. 我还没来得及说“谢谢”，他就跑开了。 2. 表示从过去某一时间开始，一直延续到过去的另一个时间的动作，常用的时间状语有by then, by the end of, by the time。 ① By the end of last term, we had learnt 2,000 English words. 到上学期期末为止，我们已经学习了2,000个英语单词了。 ② They had lived there for ten years by then. 到那时为止，他们已经在那住了10年了。 3. 表示愿望、打算等的动词，如hope, want, expect, think, me