过去完成时语法备课讲义
过去完成时讲义
过去完成时定义过去完成时(past perfect)表示在过去某一时间或动作之前已经发生或完成了的动作或状态。
它表示句子中描述的动作发生在“过去的过去”。
基本结构主语+had+过去分词vpp.(done)①肯定句：主语+had+过去分词.②否定句：主语+had+not+过去分词.③一般疑问句：Had+主语+过去分词?肯定回答：Yes,主语+had.否定回答：No,主语+had not .④特殊疑问句：特殊疑问词或词组+一般疑问句（Had+主语+过去分词）？基本用法（1）表示在过去某一时刻或动作以前完成了的动作，也可以说过去的时间关于过去的动作。
即“过去的过去”。
可以用by, before等介词短语或一个时间状语从句来表示，也可以用一个表示过去的动作来表示，还可能通过上下文来表示。
例如：By nine o’clock last night, we had got 200 pictures from the spaceship.到昨晚9点钟，我们已经收到200 张飞船发来的图片。
（2）表示由过去的某一时刻开始，一直延续到过去另一时间的动作或状态，常和for, si nce构成的时间状语连用。
例如：I had been at the bus stop for 20 minutes when a bus finally came.当车来的时候，我在车站已等了20分钟。
He said he had worked in that factory since 1949.他说自从1949年以来他就在那家工厂工作。
（3）叙述过去发生的事情，在已叙述了过去发生的事情后，反过来追述或补述以前发生的动作时，常使用过去完成时。
例如：Mr. Smith died yesterday. He had been a good friend of mine.史密斯先生昨天去世了。
他以前是我的好友。
I didn’t know a thing about the verbs, for I had not studied my lesson.我对动词一无所知，因为我没有好好学习功课。
精华版过去完成时讲解
精华版过去完成时讲解过去完成时是英语语法中的一个时态，用来表示在过去某一特定时间或动作之前已经发生或完成的动作。
在这篇文章中，我们将详细讲解过去完成时的用法和特点。
一、过去完成时的构成过去完成时的构成由“had + 过去分词”组成。
其中，“had”是过去完成时的助动词，根据主语的人称和数的变化进行变化，而过去分词则通常保持不变。
例如：1. I had finished my homework before my mom came home.我在我妈妈回家之前已经完成了我的作业。
2. They had already left when we arrived at the party.当我们到达派对时，他们已经离开了。
二、过去完成时的用法1. 表示在过去某一特定时间或动作之前已经发生或完成的动作。
例如：Before she arrived, he had already left.她到达之前，他已经离开了。
2. 表示过去某个时间点之前已经发生的动作。
By the time I got home, my sister had already eaten all the cake.当我到家时，我的妹妹已经把蛋糕都吃完了。
3. 在由时间状语从句引导的句子中，常用过去完成时表示在谓语动词所表示的动作之前发生的动作。
例如：She had finished her work before she went to bed.她上床睡觉前已经完成了她的工作。
4. 在条件句的结构中，过去完成时可以用来表示对过去情况的假设。
例如：If he had studied harder, he would have passed the exam.如果他学习更努力些，他就会通过考试。
三、过去完成时的注意事项1. 过去完成时经常与过去简单时连用，表示先后发生的两个动作。
例如：He had already left when I arrived.当我到达时，他已经离开了。
过去完成时 教案
过去完成时（讲义）过去完成时的结构和定义结构：助动词had（用于各种人称和数）+过去分词定义：表示在过去某一时刻或动作之前完成的动作，表示动作发生的时间是“过去的过去”。
By the time I went outside, the bus had already left.By nine o’clock last night, we had finished our homework.Had you reached the station before ten o’clock?She had rushed out of the door before I could stop her.When I woke up, it had stopped raining.过去完成时的用法回顾（1）表示在过去某一时刻或动作之前完成的动作。
She had rushed out of the door before I could stop her.When I got to school, I realized I had left my schoolbag at home.（2）表示由过去的某一时刻开始，一直延续到过去另一时间的动作或状态。
I had been at the bus stop for 20 minutes when a bus finally came.He said he had worked in that factory since 1949.Exercises一、填空1. 过去完成时指的是在过去某一时间或动作之前_________发生或完成了的动作。
它表示动作发生的时间是“____________”。
2. 过去完成时的结构为：主语+________ +done(过去分词)+其他二、判断下列句子中划线部分在英语中对应的时态3. 当我到达车站时，公交车已经离开了。
_________________4. 到目前为止，我还没有开过车。
过去完成时(详细讲解)上课讲义
former action
later action
• Audrey had been a model before she became a Hollywood superstar.
former action
later action
• Audrey had won an Oscar for Best Actress already when she won the Tony Awards.
former action
later action
Which happened first?
1. Millie ran back to schoolb. ecause Millie left her magazine in the classroom.
Millie ran back to school because she had left her magazine in the classroom.
基本用法:
1. 过去完成时表示在过去某时或某个动作之 前发生的动作或存在的状态或表示经历或经验.
(1) 我说自从你搬到这儿以来妈妈一直为你的懒惰 而生气.
I said mother had been angry about your laziness since we moved here.
辨别：自从你搬到这儿以来妈妈一直为你的懒惰而生气.
Mr. Green got up at 6:30 a.m.
Mrs. Green got ready for the breakfast before 6:30 a.m. Mrs. Green had got ready for the breakfast when Mr. Green got up at 6:30 a.m.
精华版过去完成时讲解
过去完成时一、过去完成时的概念与结构特点概念：过去完成时表示在过去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（ｐａsｔ-in－the-pａｓt )”。
----|-----－－-－－-－--－－----－－---－｜--－-----－-----－----－-----－----－|－-－----－-－----－－-－-------－－-＞那时以前那时现在构成:过去完成时由“助动词ｈaｄ+ 过去分词”构成,其中had 通用于各种人称。
They had ａlrｅadｙｈａd breaｋfasｔbeforｅthey aｒｒｉvｅd at the hoｔel.Shｅhad finｉshed writｉnｇｔhe composｉtioｎbｙ 10 :0０ tｈｉs moｒning.二、过去完成时的判断依据1. 由时间状语来判定一般说来，各种时态都有特定的时间状语。
与过去完成时连用的时间状语有：（ 1 ） by ＋过去的时间点。
如: I haｄ fｉnｉsｈｅｄｒeadinｇｔｈe noveｌｂy ｎinｅo＇clock ｌast nｉｇhｔ. ( ２ ) bｙ thｅｅnｄｏf + 过去的时间点。
如：Ｗe had ｌｅaｒned oｖer twｏｔhousａｎd Englｉｓh wｏrｄs ｂy tｈe enｄ of lａst terｍ.（ 3 ）bｅfore + 过去的时间点。
如：Ｔhey had plaｎted six ｈuｎdreｄｔrｅes bｅfore ｌａsｔＷｅdnesdａy.２. 由“过去的过去”来判定。
过去完成时表示“过去的过去”,是指过去某一动作之前已经发生或完成的动作,即动作有先后关系,动作在前的用过去完成时,在后的用一般过去时。
这种用法常出现在:( 1 ）宾语从句中当宾语从句的主句为一般过去时，且从句的动作先于主句的动作时，从句要用过去完成时。
在told, sａｉd, knｅｗ, hｅard， thｏuｇht等动词后的宾语从句。
精华版过去完成时讲解资料
过去完成时一、过去完成时的概念与结构特点概念：过去完成时表示在过去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（ past-in-the-past ）”。
----|--------------------------|-------------------------------|---------------------------->那时以前那时现在构成：过去完成时由“助动词 had + 过去分词”构成，其中 had 通用于各种人称。
They had already had breakfast before they arrived at the hotel.She had finished writing the composition by 10 ：00 this morning.二、过去完成时的判断依据1. 由时间状语来判定一般说来，各种时态都有特定的时间状语。
与过去完成时连用的时间状语有：（ 1 ） by + 过去的时间点。
如： I had finished reading the novel by nine o'clock last night.（ 2 ） by the end of + 过去的时间点。
如： We had learned over two thousand English words by the end of last term.（ 3 ） before + 过去的时间点。
如： They had planted six hundred trees before last Wednesday.2. 由“过去的过去”来判定。
过去完成时表示“过去的过去”，是指过去某一动作之前已经发生或完成的动作，即动作有先后关系，动作在前的用过去完成时，在后的用一般过去时。
这种用法常出现在：（ 1 ）宾语从句中当宾语从句的主句为一般过去时，且从句的动作先于主句的动作时，从句要用过去完成时。
过去完成时讲义
过去完成时1.含义：过去完成时表示在过去某一时间或动作之前已经完成了的动作或已经存在的状态，即“过去的过去”。
2.构成：肯定句：主语+ had + 过去分词。
否定句：主语+had not (hadn’t)+过去分词。
疑问句：Had +主语+ 过去分词。
？3.用法：（1）表示在过去某一时间或动作之前已经完成或结束的动作或状态，表示对这一过去时间造成的结果或影响。
（2）表示过去某一时间可用by 7 o’clock, before7 o’clock等构成的短语，也可用when, before, after 等引导的从句或通过上下文表示。
在昨晚半夜之前我们已经登上了山顶。
We had reached the top of the mountain before midnight last night.等她收到那封信的时候，他已经在加拿大了。
By the time she got the letter , he had been in Canada.我读完了这部小说之后，才上床睡觉I went to bed after I had finished reading the novel.(3) 表示从过去某一时间开始，一直持续到过去的另一时间的动作或状态。
常与for, since引导的表示一段时间的短语或从句连用。
史密斯先生在去澳大利亚之前已经在欧洲教书了15年。
Mr Smith had taught in Europe for 15 years before he went to Australia.（4）过去完成时常用told ,said ,knew ,heard,thought等动词后面的宾语从句，表示从句的动作或状态发生在主句的动作之前。
他告诉我,他已经听说了那条好消息。
He told me that he had heard of the good news.。
过去完成时讲解全解课件
选择题练习
答案与解析： A. been on (正确)
选择题练习
• B. come on
ቤተ መጻሕፍቲ ባይዱ
填空题练习
• 填空题1： By the time I my homework, my parents dinner.
填空题练习
• 答案与解析：
• 填空1答案与解析： finished (正确) • 填空2答案与解析： had cooked (正确) • 解析： 句意是“当我完成作业的时候，我的父母已经做好了晚饭”。根据时间状语从
翻译练习
• 翻译1： 我已经完成了我的作业，现在我可以去看电影了。
翻译练习
01
答案与解析：
02
翻译： I have finished my homework, now I can go to the movies. (正确)
03
解析： 这句话的意思是“我已经完成了作业，现在我可以 去看电影了”。根据语境可知，这句话应该用现在完成时， 表示过去的某个动作对现在的影响。因此，正确的翻译是 “I have finished my homework, now I can go to the movies”。
在过去的某个时间点之前已经存在的状态
01
总结词
表示在过去的某个时间点之前已经存在的状态，这个状 态可能一直持续到该时间点。
03
02
详细描述
过去完成时也可以用来描述在过去的某个时间点之前已 经存在的状态，这个状态可能一直持续到该时间点，并 且可能对后续的状态或动作产生影响。
示例
He had known her for many years before they got married. (在他们结婚之前，他已经认识她很多年了。)
过去完成时详细讲解ppt课件
发生在去北京之前，因此第一个空应用过去完成时。
3.在told, said, knew, heard, thought等 动词引导的宾语从句中，一般用过去完成 时。
1. 她说她从来没有去过巴黎。
She said (that) she had never been to Paris.
选择填空
( c )1.--- “Did you see Tom at the party?”
---“No, Mary told me that he ___ by the time I got there.” A. left B. was leaving C. had left D. has left
by the end of last year. A. had learned B. have learned
C. learned D. will have learned 根据by短语中的last year得知, 正确选项为A。
三、主语+过去完成时+by the time引 导的从句(从句谓语动词为过去式)。 例如:
-- Sorry, I the piano for years.
A. don't play
B. wasn't playing
C. haven't played D. hadn't played
句意：…抱歉，我好多年都没有弹钢琴了。 现在完成时在此表示从好多年前算起到说 话的时候为止的（否定）状态的持续，所 以选C。
到目前为止我已经学会了3000个单词.
I have learned 3000 English words so far.
高中英语语法过去完成时专题讲解
高中英语语法过去完成时专题讲解（一）过去完成时1.过去完成时：✈1).概念：过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态。
✈2).时间状语：recently, lately, since…for…,in the past few years, etc.✈3).基本结构：have/has + done✈4).否定形式：have/has + not +done.✈5).一般疑问句：have或has提前概念：过去完成时表示在过去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（past-in-the-past ） ----|-------------------------- |-------------------------------|----------------------------> 那时以前 那时 现在 构成：过去完成时由"助动词had + 过去分词"构成，其中had 通用于各种人称。
They had already had breakfast before they arrived at the hotel.She had finished writing the composition by 10 ：00 this morning.2、过去完成时的判断依据:由时间状语来判定✈ 1 ）by + 过去的时间点。
Eg: I had finished reading the novel by nine o'clock last night.✈ 2 ）by the end of + 过去的时间点。
Eg: We had learned over two thousand English words by the end of last term.✈ 3 ）before + 过去的时间点。
Eg: They had planted six hundred trees before last Wednesday.3.课堂练习:一.用动词的适当形式填空1. We _____________ (paint) the house before we ______________ (move) in.2. That rich old man _____________ (make) a will before he _____________ (die).3. They _____________ (study) the map of the country before they ________ (leave).4. The robbers _____________ (run away ) before the policemen_______ (arrive).5. I __________ (turn off) all the lights before I ____________ (go) to bed.6. Paul __________ (go) out with Jane after he __________ (make) a phone call.7. Tom __________ (say) he ___________ (read) the book twice.8. Our plan ____________ (fail ) because we _____________ (make) a bad mistake.9. When the chairman ______________ (finish) speaking, he _____________ (leave)the hall.10.The Reads __ ______ (have) lunch when I ________________(get) to their house.二．句型转换1．I had sold the ticket when she came.（改否定句）2.She had sung a song to us before she danced.（改否定句）3.They began to climb the mountain after they had bought all the food and drinks.（否定）4.By 10:00 a.m, I had been very hungry. （改一般疑问）5.Lucy had already completed the project when I arrived.（改一般疑问）6.By the time he got to the airport, the plane had taken off. （改一般疑问）7..He had broken his arm when I saw him.（对划线部分提问）8.When he had read the note, he ate it. （对划线部分提问）9..Jack didn’t go to the cinema because he had seen the film. （对划线部分提问）10.We had had the toys for ten years before we gave them to the child. （对划线部分提问）Keys:一、1. had painted... moved 2. had made ... died 3. had studied…left4. had run away..arrived5. had turned off …went 6. went …had made 7. said …had read 8 failed …had made9. (had) finished …left 10. were having/had had …got二、1．I hadn't sold the ticket when she came.2. She hadn't sung a song to us before she danced.3. They didn't begin to climb the mountain after they had bought all the food and drinks.4. Had you been very hungry by 10:00 a.m?5. Had Lucy completed the project when I arrived yet?6. Had the plane taken off by the time he got to the airport?7. What had he done when you saw him?8.What did he do when he had read the note?9. Why didn't Jack go to the cinema?10. How long had you/we had the toys before you/we gave them to the child?(二)过去将来时：定义：它表示从过去某一时间来看将要发生的某个动作或存在的某种状态。
过去完成时(详细讲解)上课讲义共36页
过去完成时(详细讲解)上课讲义
56、死去何所道，托体同山阿。 57、春秋多佳日，登高赋新诗。 58、种豆南山下，草盛豆苗稀。晨兴 理荒秽 ，带月 荷锄归 。道狭 草木长 ，夕露 沾我衣 。衣沾 不足惜 ，但使 愿无违 。 59、相见无杂言，但道桑麻长。 60、迢迢新秋夕，亭财富 ❖ 丰富你的人生
71、既然我已经踏上这条道路，那么，任何东西都不应妨碍我沿着这条路走下去。——康德 72、家庭成为快乐的种子在外也不致成为障碍物但在旅行之际却是夜间的伴侣。——西塞罗 73、坚持意志伟大的事业需要始终不渝的精神。——伏尔泰 74、路漫漫其修道远，吾将上下而求索。——屈原 75、内外相应，言行相称。——韩非
过去完成时语法备课讲义
过去完成时语法备课讲义第一章动词之时态第三节过去完成时教学时间：2课时教学目标：通过本次课的学习，使学生理解过去完成时的形式意义，明白一般过去时和过去完成时的区别，并能写出结构语法正确的现在完成时。
教学重点：过去完成时的意义和与一般过去式的区别。
教学步骤：一.导入回顾现在完成时现在完成时的意义：过去发生的动作对现在的影响或从过去开始发生一直持续到现在，着眼点为现在。
二.讲解1). 过去完成时的形式和意义回顾：一般现在时：主语 + do/does 或 be一般过去时：主语 + did或 was/were现在完成时：主语 + have/has + done过去完成时：主语 + had + done课堂练习1：划线识别题（划出下列过去完成时的用法）1.I had been at the bus stop for 20 minutes when a bus finally came.2.She had left before her parents arrived.3.We had learned English for 5years by the end of last month.过去完成时的意义：引例句：他们去年结婚了。
They got married last year.截止到去年他们已经恋爱五年了。
They had been in love for five years by last year.过去完成时的意义:当表示过去某一动作发生之前就已经完成的一动作即“过去的过去”时，用过去完成时。
用法：1.截止到上个月，我就已经学了5000单词了。
I had learned 5000 thousand words by the end of last month.介词by + 一般过去时的短语或句子，表示在…之前。
By the end of last week, he had wrriten ten books.By the time he was ten, he had made a lot of money.2.她说她已经吃过早饭了。
过去完成时讲义
-----WORD格式--可编辑--专业资料-----过去完成时讲义一、过去完成时的概念过去完成时表示在过去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”。
二、过去完成时的构成过去完成时由“助动词had + 过去分词”构成，其中had 通用于各种人称。
eg.1 When I got to school, the bell had rung.eg.2 By the time I got home ,my little brother had gone to bed.eg.3 By the time I got outside, the bus had already left.三、过去完成时的用法用法1：过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。
强调过去某一动作发生在另一动作之前时。
1.他说他以前见过你。
He said that he ______________ (see) you before.2.我出去的时候,公共汽车已经开走了。
By the time I got outside, the bus ________________（leave）.用法2：过去完成时动词可以表示过去某一时刻之前发生的动作或呈现的状态，这一动作一直持续或将继续下去。
1. 到了六点钟为止，他们已经工作了八小时了。
By six o’clock they ____________ (work)for eight hours.2. 我到广州时，他在那里很长时间了。
When I came to GangZhou , he _____________(be) there for a long time.用法3. 过去完成时和already, just, ever, yet 等连用表示过去的过去。
1. 他告诉我说他们队已经赢了。
He told me that his team _________ already ___________ (win).2. 她说她仍没去过长城。
过去完成时讲解课件
第八页，共30页。
过去完成时与when, before, as soon as,
用法
till/ until 等引导时间状语的从句连用，
：
强调动作发生的时间前后。
2.Simon left school late because the football game had started late.
What happened first? a.Simon left school late. b.The football game started late.
第十六页，共30页。
第十二页，共30页。
2. 由时间状语来判定
一般说来，各种时态都有特定的时间状语。与过去完 成时连用的时间状语有：
（ 1 ） by + 过去的时间点。如：
I had finished reading the novel by nine o'clock last night.
（ 2 ） by the end of + 过去的时间点。如：
2. 到六点钟为止他们已经工作八小时了。
By six o’clock they _____h_a_d_w__o_r_k_e_d(work) for eight hours.
第四页，共30页。
过去完成时表示在过去某一时间或动作之 前已经发生或完成了的动作，
即“过去的过去（ past-in-the-past ）”。
在过去某一时间或动作之前发生或完成了的动 作，要用过去完成时。它的动作的起点为过去， 终点也为过去，即“过去的过去”。而现在完成 时的动作起点为过去，终点则为现在。
过去完成时讲义
过去完成时（一）概念：表示过去的过去，其构成是had+过去分词。
（二）用法：1.表示某一动作在过去某一时刻之前已完成。
例如:He had gone to bed by10:00last night.昨夜十点钟之前他已上床去睡了。
2.与一般过去时搭配，表达某一动作在过去的动作发生时已完成。
例如：The train had started when I got to the station.当我到达车站时火车已开走了。
【说明】使用过去完成时在简单句里表达某一动作在过去的某一时刻已完成时，该过去的时刻常以“by+过去时间”的短语来表达。
例如下面的说法是不正确的：He had gone to bed at10:00last night.若是要说“at10:00last night”就必须用一般过去时“He went to bed...”。
请再观察下面的句子试比较：It had rained yesterday.(误)It rained yesterday.(正)【说明】1)由过去的时间作状语来修饰动词的句子都使用一般过去时。
2)除非从谈话的先后关系和上下文关系对过去的动作完成的基准点可以确定以外，应该避免在简单句中使用过去完成时。
（三）过去完成时常用的连词有：before,by,until,when,after,as soon as等。
例如：He said that he had learned some English before.By the time he was twelve,Edison had began to make a living by himself.Tom was disappointed that most of the guests had left when he arrived at the party.（四）常用语境：1.在told,said,knew,heard,thought等动词引导的宾语从句中，一般用过去完成时。
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第一章动词之时态
第三节过去完成时
教学时间：2课时
教学目标：通过本次课的学习，使学生理解过去完成时的形式意义，明白一般过去时和过去完成时的区别，并能写出结构语法正确的现在完成时。
教学重点：过去完成时的意义和与一般过去式的区别。
教学步骤：
一.导入
回顾现在完成时
现在完成时的意义：过去发生的动作对现在的影响或从过去开始发生一直持续到现在，着眼点为现在。
二.讲解
1). 过去完成时的形式和意义
回顾：
一般现在时：
主语 + do/does 或 be
一般过去时：
主语 + did或 was/were
现在完成时：
主语 + have/has + done
过去完成时：
主语 + had + done
课堂练习1：划线识别题（划出下列过去完成时的用法）
1.I had been at the bus stop for 20 minutes when a bus finally came.
2.She had left before her parents arrived.
3.We had learned English for 5years by the end of last month.
过去完成时的意义：
引例句：
•他们去年结婚了。
•They got married last year.
•截止到去年他们已经恋爱五年了。
•They had been in love for five years by last year.
过去完成时的意义:
当表示过去某一动作发生之前就已经完成的一动作即“过去的过去”时，用过去完成时。
用法：
1.截止到上个月，我就已经学了5000单词了。
I had learned 5000 thousand words by the end of last month.
介词by + 一般过去时的短语或句子，表示在…之前。
By the end of last week, he had wrriten ten books.
By the time he was ten, he had made a lot of money.
2.她说她已经吃过早饭了。
She said she had had breakfast.
过去完成时常常用在told, said, knew, thought等动词的宾语从句中，这时从句中的动作发生在主句表示的过去的动作之前。
练习：
She said she ______ (see) the film before.
He asked where______(go) during the summer vacation
Tom 告诉我他已经离开了。
Tom told me that he had left.
我以为他已经告诉你了。
I thought he had told you.
3.当我到电影院的时候，电影已经开始五分钟了。
The movie had been on for five minutes when I got to the cinema.
状语从句中的动作发生在过去，而主句动作发生在此动作之前，用过去完成时（通常由before， after， when 来引导状语从句）。
例句：
当我到电影院的时候，电影已经开始五分钟了。
The movie had been on for five minutes before I got to the cinema.
上周日是母亲节，tom想让他妈妈高兴，帮他妈妈做了好多事，并给妈妈写了一封信，帮Tom完成这封信。
Mum, you love me so much, but I always make you unhappy. Now I know I was wrong. I’ll try my best to make you happy.
I had…when you…
before you/I…
…by last night.
I. . . because you had…
after you had…
Mum, I’d like to do everything if you want me to do. I’ve grown up and I’ll be a good son, believe me!
一般过去时与过去完成时的区别
区别：
1.一般过去时——过去的某一个动作。
2.过去完成时——指在过去某一个动作之前已经发生的动作。
引例句：
引例句：
要把大象装冰箱，总共分几步？
1.open the fridge
2.put the elephant into the fidge
3.close the fridge
用过去完成时把每两步连成一个句子。
课堂练习：
翻译句子。
他昨晚十点已经睡觉了。
He had gone to bed at 10:00 last night.
正解：He went to bed at 10:00 last night.
注意：1. 一般过去时的时间状语为过去某一特定的时间，而过去完成时强调过去的过去。
2.除非从谈话的先后关系和上下文先后关系对过去的动作完成的基准点可以确定以后，应当避免在简单句中用过去完成时。
选择题。
1. A girl the wallet and .
A.Found; turns it in
B. would find; has turned it in
C. found; turned it in
D. has found; turned in it
2. The film when I to the cinema.
A. has begun; get
B. had begun; got
C. has been on; get
D. had been on; got
3. He in Shanghai University for four years before he
Beijing.
A. studied, had gone
B. had studied, went
C. has studied, goes
D. had studied, had gone
三．总结
本课内容重点：
过去完成时的意义：表示过去某一动作发生之前就已经完成的一动作即“过去的过去”。
过去完成时的形式：主语+ had (not) + done
现在完成时与一般过去式的区别：
1.一般过去时——过去的某一个动作。
2.过去完成时——指在过去某一个动作之前已经发生的动作。
四．作业
1.复习课上所学知识点
2.完成现在完成时的相关练习：教材P12-P15的所有填空、选择及句子翻译题。