Unit 3 Food and Culture Section Ⅲ Learning About Language课件（共69张）+学案（含答案）+练习（含答案）

Section Ⅲ　　Learning About Language 　　　(语法项目———过去完成时和过去完成时的被动语态) 初识语法———在美文运用中体悟　 　 　 The primary school in my village was built several years ago. It had been① famous throughout the town before I studied there. By 1978, the school had been changed② several times. By the end of last century, it had become③ a model school. When I graduated, it had won④ many honors. Before last year's anniversary of the founding of the school, most of its buildings had been rebuilt⑤ and it is now larger and more beautiful than ever before.,①过去完成时。主从句的动作都发生在过去，动作在前的要用过去完成时； ②过去完成时的被动语态。时间状语为by介词短语，表示“过去的过去”； ③过去完成时。动作发生在“过去的过去”； ④过去完成时。when引导的时间状语从句中动作发生在过去，主句动作在前，要用过去完成时； ⑤过去完成时的被动语态。表示动作发生在“过去的过去”。 慧学语法———在归纳演绎中学通　 [自主感知] ①(教材典句)Prior to coming to China, my only experience with Chinese cooking was in America, with Chinese food that had been changed to suit American tastes. ②(教材典句)When my family and I had just arrived in China, we went looking for a good place to eat in Beijing. ③Had you visited the Forbidden City before you came here last year ④I hadn't finished reading the book by nine o'clock last night. ⑤What had you done before the boss made the decision [会发现]　过去完成时及其被动语态的构成 种类 构成 匹配例句(只填写序号) 肯定句 主语＋had＋过去分词＋其他成分． 否定句 主语＋had＋not＋过去分词＋其他成分． 一般疑问句 Had＋主语＋过去分词＋其他成分？ 肯定回答：Yes, 主语＋had. 否定回答：No, 主语＋had not. 特殊疑问句 特殊疑问词＋had＋主语＋过去分词＋其他成分？ 被动结构 主语＋had (not) been done＋其他成分. [规则点拨] 一、过去完成时　 过去完成时表示在过去某一时间或某一动作之前已经发生或完成了的动作或状态，也就是说动作发生在“过去的过去”。 (一)用法 1．表示在过去某一时间或动作之前已经完成的动作或存在的状态。与过去完成时连用的时间状语常有：by＋过去的时间点；by the end of＋过去的时间点；before＋过去的时间点；还可以通过上下文的暗示。 ①By about 6000 BC, people had discovered the best crops to grow and animals to raise. 到大约公元前6000年，人们已经发现了最好的可种植的农作物和最好的可饲养的动物。 ②More than six hundred trees had been planted before last Wednesday. 在上周三前已经种了600多棵树。 ③They became homeless again，for their house had been destroyed in the earthquake. 他们又一次无家可归了，因为他们的房子在地震中被毁掉了。 ④By the time I got to the station, the train had already gone. 我赶到车站时，火车已经离开了。 2．表示未曾实现的愿望或打算，主要用于hope, want, expect, think, suppose, plan, mean, intend等动词。 ①They had wanted to help but could not get there in time. 他们本来打算去帮忙，但没有及时赶到那里。 ②I had meant to come, but something happened. 我本想来，但有事发生了。 ③He had intended that he would come to see you himself, but he was too busy. 他本来打算亲自来看你，但他太忙了。 3．用于宾语从句中。 当主句为一般过去时， ... ...