过去完成时 详细版课件

1、ast perfect tense1. ate an apple2. slept nowhad eaten an applesleptShe had eaten an apple before she slept.After she had eaten an apple , she slept.Discussion:The structure of the Past perfect tense:（结构）2.The definition of the Past perfect tense: （定义）3. The time adverbial （时间状语）主语+had + 动词的过去分词 (p.p

2、.)定义：过去完成时：强调过去某一个动作发生在另一个动作前常常用过去完成时态。1.在老师进入教室前, 李磊擦了黑 板.LiLei _ (clean) the blackboard before the teacher came into the classroom.had cleaned2. 当我们到那儿时火车已经离开了。The train _ (leave) when we arrived there.had leftWe use it to talk about an action that happened before another action in the past.构成： Wo

3、rk out the rule:过去完成时的否定形式：过去完成时的疑问形式：肯定回答：否定回答： 主语had nothadnt+ p.p.+其它. Yes,主语+had.Had+主语p.p.+其它? No,主语+had + not.Discussion:The structure of the Past perfect tense:（结构）2.The definition of the Past perfect tense: （定义）3. The time adverbial （时间状语）？探讨： The time adverbial （时间状语）1. “介词by +含一般过去时态的句子”。介

4、词by 本身表示“在之前；到为止”。 2. “时间状语从句”。如 when引导的 3. “宾语从句”或“间接引语”。 Play a gameCompetition: If you think you can,you can. Go-Go加油！12345678用所给动词的正确形式填空(10/1)1.The poor girl never saw her grandpa because he _ (pass away) before she was born.2. She_ already_ (clean) the blackboard before I entered the classroom

5、.had passed awaycleanedhadCompetition: If you think you can,you can. Go-Go加油！12345678句型转换 (10/1)He had stood up before he cleaned the window. _ he had stood up, he cleaned the window.His father went to Beijing. He arrived home. (用before合并句子) His father_ _ _ Beijing before he _ home.Afterhad gone toa

6、rrivedCompetition: If you think you can,you can. Go-Go加油！12345678按要求改写下列句子(5/1)Simon had finished his homework before he watched TV. 否定句：疑问句：肯定回答：否定回答：Simon hadnt finished his homework before he watched TV. Had Simon finished his homework before he watched TV?Yes, he had.No, he hadnt.Competition: If

7、 you think you can,you can. Go-Go加油！12345678选择题(10/1)Millie_ some Chinese before she came to China. A. learned B. has learned C. learnt D. had learnedShe _ the first runner-up prize in a beauty contest before she _an actress. A. have won, became B. had won, become C. had won, became D. has won, beca

8、me Competition: If you think you can,you can. Go-Go加油！12345678改错题(101)We hadnt seen something interesting in the park before last Sunday.2. When she woke up this morning, it stopped snowing.anythinghad stoppedCompetition: If you think you can,you can. Go-Go加油！12345678翻译题(101)1. 在我们到达电影院之前，电影已经开始了2.

9、踢完足球之后我买了瓶果汁The film _ _ _ we _ to the cinema._ I _ _ football, I _ a bottle of juice.hadbeforegotbegunAfterhadplayedboughtCompetition: If you think you can,you can. Go-Go加油！12345678写出下列动词的过去完成时形式(5/1)be _ see_begin _ sing_bring_ open_had beenhad seenhad begunhad sunghad broughthad openedCompetition

10、: If you think you can,you can. Go-Go加油！12345678用所给动词的正确形式填空(10/1)1. He_ (turn off) the lights before he left the classroom.2. _ your parents _(have) lunch when you arrived at home?had turned offHadhadCompetition: If you think you can,you can. Go-Go加油！12345678Congratulations!Sum up过去完成时的结构：过去完成时的用法：过去完成时的否定形式：过去完成时的疑问形式：主语had nothadnt+ p.p.+其它.Had+主语p.p.+其它?主语had + p.p.+其它.强调过去某一个动作发生在另一个动作前常常用过去完成时态。 过去完成时表示在过去某个时间或动作之前已经发生或完成了的动作或存在的状态，即“过去的过去（ past-in-the-past ）”。 过去完成时的概念与结构特点: past in the pastpast now过去完成时的判断依据: 由“过去的过去”来判定。 过去完成时表示“过去的过去”，先发生的动作用过去完成