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1、Unit 12 Life is full of the unexpected第三课时第三课时 （Grammar Focus-4c）湖北湖北 平林中学平林中学 王中青王中青根据句意首字母提示完成单词。根据句意首字母提示完成单词。1. Dad, I am going to be late for school. Can you give me a l_? 2. My alarm clock didnt ring off , so I o_ this morning.3. Why do you all stare me in d_? Dont you believe me?4. This fish
2、isnt dead but it is still a_. Look! It is still moving.5. I would tell you the truth unless the sun raised from the w_. 自主学习方案自主学习方案-【新词自查新词自查】iftversleptisbeliefliveestWhat do you usually do in the morning before school?Do you like morning? Why or why not?课堂导学方案课堂导学方案-Step1情景导入情景导入课堂导学方案课堂导学方案-Step
3、1Past perfect Tense 过去完成过去完成时时构成构成：had过去分词过去分词（had没有人称和数的变化）没有人称和数的变化）用法用法:1. 表示过去的过去表示过去的过去, 通常由通常由 when 或或by 引导短语或从句做时间状语或引导短语或从句做时间状语或时间状语从句。时间状语从句。 例如例如: By the end of last year, I had learned English for three years.They had already had breakfast before they arrived at the hotel. 在他们到达旅在他们到达旅馆之
4、前，他们已经吃早饭了。馆之前，他们已经吃早饭了。He said that he had never seen such a beautiful bird before. 他说他以前从来没有看过这样美丽的鸟。他说他以前从来没有看过这样美丽的鸟。2. 常用在宾语从句中常用在宾语从句中 He told me he has already finished his homework. I realized he had fooled me again.3. 体现在上下文中体现在上下文中 I didnt go to the movie yesterday because I had seen it tw
5、ice.I had finished my homework before supper我在晚饭前把作业做完了。我在晚饭前把作业做完了。句中的句中的supper既是过去某一时间，既是过去某一时间，而而had finished 这一动作就是在这一动作就是在supper 之前完成的。如果只说之前完成的。如果只说I had finished my homework听者会觉得难以理解。听者会觉得难以理解。由此可见，过去完成时是个由此可见，过去完成时是个相对的时态，相对的时态，它不能离开过去的时间而独立存在。它不能离开过去的时间而独立存在。 By the end of that year Henry h
6、ad collected more than one thousand foreign stamps 到那年年底，亨利已经收集了一千多张到那年年底，亨利已经收集了一千多张外国邮票。外国邮票。（过去时间是（过去时间是 the end of that year） When we got there, the football match had already started 当我们到那里时，足球比赛已经开始了。当我们到那里时，足球比赛已经开始了。（过去时间是（过去时间是when从句）从句）e.g. She had learnt 2000 English words by the end of l
7、ast month 到上个月末，她已经学了到上个月末，她已经学了2000个英语个英语单词了。单词了。 I hadnt learnt Japanese before I went to Japan 我去日本之前没学过日语。我去日本之前没学过日语。 注意注意：过去完成时的否定句和疑问句直：过去完成时的否定句和疑问句直接通过接通过had的变化即可。的变化即可。课堂导学方案课堂导学方案-Step2/4aBefore the coffee became cold, I had put cream into it.By the time the teacher collected the math hom
8、ework, I had got to school.By the time I completed the work for my boss, the workday had ended.By the time the movie started, I had arrived at the cinema.Before my mother finished making the apple pie, I had got home from my language course.课堂导学方案课堂导学方案-Step2/4bhad showed uphad forgottenhadrushed outhad found outhad arrived athad gone into课堂导学方案课堂导学方案-Step2/4cPairwork Thank you ! Bye!
