Unit 3 Discover useful structures(过去完成时) 课件-2022-2023学年高中英语人教版（2019）选择性必修第二册

Unit3 Food and Culture Discovering useful structures ---Past perfect tense WHAT HAPPENED FIRST? The egg had been hatched before the hen was born. The hen had been born before the hen was hatched. I have never been to Beijing. When I went to Beijing last summer vocation , I had already heard of Beijing Roast Duck. And this time, I got the chance to have a good taste of it. A “ Roast Duck Feast” had already been arranged by my best friend Li Ming before I arrived in Beijing. Li Ming told me actually there were many famous brands of Beijing Roast Duck restaurants, such as Quanjude, Bianyifang, DaDong and Dayali. Bianyifang Roast Duck Restaurant and Quanjude Roast Duck Restaurant represented two different schools of roasting duck, both of which had a history of over one hundred years. Beijing Roast Duck Beijing Roast Duck I have never been to Beijing. When I went to Beijing last summer vocation , I had already heard of Beijing Roast Duck. And this time, I got the chance to have a good taste of it. A “ Roast Duck Feast” had already been arranged by my best friend Li Ming before I arrived in Beijing. Li Ming told me actually there were many famous brands of Beijing Roast Duck restaurants, such as Quanjude, Bianyifang, DaDong and Dayali. Bianyifang Roast Duck Restaurant and Quanjude Roast Duck Restaurant represented two different schools of roasting duck, both of which had a history of over one hundred years. heard had been went before 时态：过去完成时 past perfect tense 形式：had+done (主动语态） had+been+done (被动语态） 含义：表示过去某一时间或动作之前已经发生或完成的动作或存在的状态。表示的动作发生时间为“过去的过去”。 常用的时间状语：until then, by then, by that time, by the end of last week, before +过去的时间，by the time + 从句,by+过去的时间等。 had arrived arranged Practice arrive cancel eat finish get taste tell Carol：_________ you ever ___________ any Scottish food before your trip to St. Andrews las