人教版(新教材)高中英语选修2Unit3 Food and Culture学案1：Grammar.docx

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1、Unit 3 Food and CultureGrammar知识概览探究发现1. 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. When my family and I had just arrived in China, we went looking for a good place to eat in Beijing.3. A Sichua

2、n restaurant had been recommended to us by a friend, and finally, we found it.4. . so the chef just began filling our table with the best food we had ever eaten.K我的发现以上句子的时态皆为;其中主动语态有：句；被动语态有：句。要点精析一、构成主动语态被动语态肯定形式had donehad been done否认形式had not donehad not been done一般疑问句had + 主语+donehad+主语+been do

3、ne特殊疑问句疑问词+ had+主语+ done疑问词+had +主语+been doneThey had already had breakfast before they arrived at the hotel.他们到达旅馆前已经吃过早饭了。He told me that there had been an argument between them.他告诉我他们之间发生了争执。They said that production costs had been reduced.他们说生产本钱降低了。即时演练1 句型转换They had cleaned the classroom befor

4、e the teacher came.一（变为被动语态）She had finished writing the composition by 10： 00 this morning.一（变为否认句）一（变为一般疑问句）一（对句中主语she提问）二、用法1. 一件事情发生在过去，而另外一件事情先于它发生（即“过去的过去那么发生在 前的动作要用过去完成时。He said that he had been abroad for 3 years.他说他在国外待了3年了。2. hope, expect, mean, intend, want, suppose的过去完成时表示过去未曾实现的愿 望或意图。

5、I had hoped to see more of Shanghai.我本希望在上海多看看。（但未能如愿）3. 一些固定句型中（1hardly/scarcely/barely . when .1和“no sooner . than ”句型中,when 和 than 从句 中用一般过去时，主句用过去完成时，当否认副词放在句首且用倒装时，表示“刚刚 就Hardly had I got home when the rain poured down.我刚到家，大雨就倾盆而下。（2）在“It was the first/second （.） time that”中,that从句的谓语动词使用过去完成时

6、。It was the first time that we had been introduced at the conference.这是第一次我们在会议上被别人介绍。（3）在“主语+ was/were+the+最高级+名词+定语从句”中，从句的谓语动词常常使用过 去完成时。It was the best book I had ever read.这是我读过的最好的一本书。即时演练2 单句语法填空I(intend) to call on you but I was too busy then.We hurried to the station only to find that the t

7、rain(leave).(3)A week passed when she realised that the parcel (send) to the wrong address.No sooner(have) the boy spoken these words than the warden hit him on the head with the soup spoon.It was the best film that(direct) by him.(6)It was the first time that they(enjoy) such a wonderful performanc

8、e. 参*考*答*案 探究发现过去完成时;2、4; 1、3要点精析即时演练 1 The classroom had been cleaned before the teacher came.She had not finished writing the composition by 10： 00 this morning. Had she finished writing the composition by 10： 00 this morning? Who had finished writing the composition by 10： 00 this morning?即时演练2had intended had left had been sent had had been directed had enjoyed