初中英语知识点微课课件 考点精讲 28 过去完成时（14张PPT）

过去完成时
激趣导入
考点聚焦
1、过去完成时的结构
2、过去完成时的用法
考点一 过去完成时的结构
知识梳理
(1) 一般形式：主语+had+动词过去分词+其它
例如： I had done my homework before you came here.
(done就是do的过去分词）
(2) 改为一般疑问句并回答
Had you done your homework before I came here?
Yes, I had./No, I hadn't.
(3) 改为否定句
I hadn't done my homework before you came here.
知识梳理
考点二 过去完成时的用法
(1) 表示在过去某一时间或动作以前已完成的动作或存在的状态(即发生的时间是过去的过去)。常与by last year, by the time… , by nine o’colck yesterday ,by ten o’clock this morning, before 8 o’clock this morning 等连用。例如：
We had learned more than 2000 words by the end of last term.
到上学期末为止，我们已经学习了两千多个单词。
The train had already left before we arrived.
在我们到达之前，火车已经离开了。
知识梳理
考点二 过去完成时的用法
(2) 表示在过去某一时间点之前已经持续了一段时间的动作或状态。常与for/since引导的表示过去的时间状语连用。
例如：I had lived in America for two years before I came here .
我来这儿之前在美国住过两年。
(3) 谈到过去的两个行为时，过去较早用过去完成时，较晚用一般过去时。
例如：When Mr .Li got to the class , all the students had began reading.
当李老师进入教室的时候，所有的学生都已经开始读书了。
典例剖析
练习：用所给的动词的正确形式填空
1. When I returned home, he (leave).
2. By ten yesterday evening, she (finish) writing.
3. He (study) English for five years before he came here.
4. It (stop) raining when I woke up this morning.
5. I (not read) the book because I had read it before.
6 . We (not see) each other since I left Beijing.
7. When I got to his home, he (go) to bed.
8. She asked if Mr. Liu _____ already _____(come) back.
had studied?
had stopped?
didn't read
had gone?
haven't seen
had come
had left
had finished??
1. He ______ in Shanghai University for four years before he ______ to Beijing.
A. studied, had gone 　B. had studied, went
C. has studied, goes 　 D. had studied, had gone
2. Mary said it was at least five years since he ____ a good drink.
A. enjoyed B. was enjoying C. had enjoyed D. would enjoy
3. Xiao Pei said she ______ Hainan for 3 months.
A. has been in B. had been in C. had been to D. had gone to
4. We __ four?thousand?new?words?by?the?end?of?last?year. A.?had?learned??? B.?have?learned??? C.?learned???? D.?will?have?learned
中考链接
B
B
A
C
备考技法
掌握过去完成时的用法：表示在过去某一时间或动作以前已完成的动作或存在的状态(即发生的时间是过去的过去)，过去完成时态中常用的时间状语。
区分过去完成时与一般过去时及现在完成时的不同用法。
掌握过去完成时的基本结构及句型转换。
熟练掌握动词过去分词的变化规则。
思维导图
通过视频了解过去完成时的用法
元申小课 必有收获