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1、Unit 12 Life is full of the unexpected,第三课时 （Grammar Focus-4c）,What do you usually do in the morning before school? Do you like morning? Why or why not?,课堂导学方案-Step1情景导入,课堂导学方案-Step1,过去完成时,Past perfect Tense 过去完成时 构成：had过去分词（had没有人称和数的变化）,用法: 1. 表示过去的过去, 通常由 when 或by 引导短语或从句做时间状语或时间状语从句。 例如: By the
2、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。,2. 常用在宾语从句中 He told me he has already finished his homework. I realized he had
3、 fooled me again.,3. 体现在上下文中 I didnt go to the movie yesterday because I had seen it twice.,I had finished my homework before supper 我在晚饭前把作业做完了。 句中的supper既是过去某一时间，而had finished 这一动作就是在supper 之前完成的。如果只说I had finished my homework听者会觉得难以理解。由此可见，过去完成时是个相对的时态，它不能离开过去的时间而独立存在。,By the end of that year Hen
4、ry had collected more than one thousand foreign stamps 到那年年底，亨利已经收集了一千多张外国邮票。 （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。（过去时间是when从句）,e.g. She had learnt 2000 English words by the end of last month 到上个月末，她已经学了2000个英语单词了。 I hadnt learnt J
5、apanese before I went to Japan 我去日本之前没学过日语。 注意：过去完成时的否定句和疑问句直接通过had的变化即可。,课堂导学方案-Step2/4a,Before the coffee became cold, I had put cream into it.,By the time the teacher collected the math homework, I had got to school.,By the time I completed the work for my boss, the workday had ended.,By the time
6、 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-Step2/4b,had showed up,had forgotten,had,rushed out,had found out,had arrived at,had gone into,课堂导学方案-Step2/4c,根据句意首字母提示完成单词。 1. Dad, I am going to be late
7、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 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_.,测评练习,ift,verslept,isbelief,live,est,Thank you ! Bye!,
