过去完成时讲解、全解.ppt

1、Past perfect tense,Unit 10 Grammar,过去完成时,1. She cleaned the room.,2. She locked the door.,cleaned the room,locked the door,By the time she locked the door, she had cleaned the room.,I got outside,the bus left,1. The bus left.,2. I got outside.,By the time I got outside, the bus had left .,1. She ate

2、 an apple.,2. She slept.,ate an apple,slept,By the time she slept, she had eaten an apple .,2. He played ping pong,1. He finished his homework,played ping pong,finished his homework,By the time he played ping pong, he had finished his homework,Discussion: 过去完成时 The structure of the Past perfect tens

3、e:（结构） 2.The definition of the Past perfect tense: （定义）,had + 动词的过去分词 (p.p.),定义：,过去完成时：,表示在过去的某一时间或动作之前已经发生或完成了的动作。即：过去的过去。,1.在老师进入教室前, 李磊擦了黑 板.,LiLei _ (clean) the blackboard by the time the teacher came into the classroom.,had cleaned,2. 当我们到那儿时火车已经离开了。,The train _ (leave) when we arrived there.,h

4、ad left,构成：,Do the exercises.,Millie ran back to school because she had left her magazine in the classroom.,What happened first?,a. Millie ran back to school.,b. Millie left her magazine in the classroom.,Simon left school late because the football game had started late.,What happened first?,a. Simo

5、n left school late.,b. The football game started late.,What happened first?,Amy had lost her car and had to go to the police station.,a. Amy lost her car.,b. Amy went to the police station.,选择题(10/1) Millie_ some Chinese by the time she came to China. A. learned B. has learned C. learnt D. had learn

6、ed She _ the first prize in an international piano competition before she _an actress. A. have won, became B. had won, become C. had won, became D. has won, became,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?,

7、had turned off,Had,had,用所给动词的正确形式填空(10/1),1.The poor girl never saw her grandpa, because he _ (die) before she was born.,2. She_ already_ (clean) the blackboard when I entered the classroom.,had died,cleaned,had,翻译题(101) 1. 在我们到达电影院之前，电影已经开始了 2. 踢完足球之后我买了瓶果汁,The film _ _ _ we _ to the cinema.,_ I _

8、_ football, I _ a bottle of juice.,had,before,got,begun,After,had,played,bought,Fill in each blank with the correct form of the words. Today, I watched Roman Holiday with my friends. Kitty was the first one to arrive at the cinema. When Millie and I _ (arrive), Kitty _ (buy) the tickets already. Sim

9、on and Mary came next. Before Simon and Mary _ (come), Millie and I _ (go) to get some drinks. Then all five of us waited for Amy outside the cinema. Before Amy_ (arrive), we _ (finish) our drinks. When we _ (enter) the cinema, the film_ already _ (start). Luckily, we didnt miss much.,arrived,had fi

10、nished,had gone,entered,arrived,had,started,had bought,came,综合时态填空： 1. We _ ( learn ) 2000 English words since we came to this school. The teacher said we _ ( learn ) 2000 English words since then. We _ ( learn ) 500 words last term. We _ ( learn ) 2000 words by the end of last term. 2. He _( have )

11、 a meeting next week. He _ ( have ) a meeting two weeks ago. He told me he _ ( have ) a meeting two weeks before. 3._ you ever _ ( be ) to the Great Wall? The teacher asked if you _ ( be ) to the Great Wall.,have learned,had learned,learned,had learned,will have,had,had had,Have been,had been,句型转换 (

12、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.,After,had gone to,arrived,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：

13、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.,翻译题(101) 1. 在我们到达电影院之前，电影已经开始了 2. 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.,had,before,got,begun,After,h

14、ad,played,bought,翻译题(101) 1. 在我们到达电影院之前，电影已经开始了 2. 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.,had,before,got,begun,After,had,played,bought,写出下列动词的过去完成时形式(5/1) be _ see_ begin _ sing_ bring_ open_,had been,had seen,had begun,had sung,had brought,had opene

15、d,Congratulations!,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。,1.We started to learn English 5 years ago.,一般过去时表示在过去某时发生的动作或存在的状态。,2. We have learned English for 5 years.,现在完成时表示的动作发生在 过去，但侧重对现在产生的结果或造成的影响，

16、与现在有关。其结构为：“助动词 have（has）+过去分词”,5 years ago now,5 years ago have learned now,Revision,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 past,past,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时，后发生的动作用一般过去时。,When I got to the station, the train h

17、ad already left.,After he had finished his homework, he went to bed.,first,first,We had learned English 4 years by last year.,5 years ago last year now,had learned,4. I _ ( finish ) my homework when my father got home yesterday. I _ ( finish ) my homework at 10 last night. 5. The film _ ( begin ) when I got to the cinema. The film _ ( be ) on for 10 minutes when I got to the cinema. 6. My brother _ ( study ) in this school for three years before he joined the army. 7. He locked the door after he _ ( clean ) the classroom. 8. A: _he still _ ( do ) his homework when you _ ( get ) home