过去完成时讲解及练习

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过去完成时讲解及练习题(精讲)

过去完成时讲解及练习题(精讲)概念：过去完成时用来描述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。

时间状语：一些常用的时间状语包括recently。

lately。

since…for…,in the past few years等等。

基本结构：过去完成时的基本结构是“have/has + 过去分词”。

否定形式：要表达否定，需要在“have/has”后面加上“not”，即“have/has + not + 过去分词”。

一般疑问句：如果要表达一般疑问句，需要将“have/has”提前。

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”。

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。

例如：They had already had XXX（他们在到达酒店之前已经吃过早餐了。

）XXX 10:00 this morning.（今天早上10点前，她已经写完了作文。

）过去完成时的判断依据有两个：1.由时间状语来判定。

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：by + 过去的时间点，by the end of + 过去的时间点，before + 过去的时间点等等。

例如：I had finished reading the novel by nine o'clock last night.（昨晚9点前，我已经读完了这本小说。

）XXX English words by the end of last term.（上学期结束时，我们已经学了2000多个英语单词。

）They had XXX last XXX.（上XXX之前，他们已经种了600棵树。

）2.由“过去的过去”来判定。

过去完成时表示“过去的过去”，即过去某一动作之前已经发生或完成的动作，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。

过去完成时的讲解和练习题(完整解析)

过去完成时的讲解和练习题(完整解析)过去完成时是英语中表示过去某个时间或事件之前已经完成的动作或状态的一种时态。

本文将对过去完成时的用法进行讲解，并提供一些练题进行练。

一、过去完成时的用法1. 表示过去某个时间或事件之前已经完成的动作或状态。

例如：- I had already ___.（当我的朋友给我打电话时，我已经完成了作业。

）- 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。

）2. 过去完成时与过去时间状语连用。

过去完成时常与表示过去的时间状语连用，例如：before, after, when, by the time, until等。

例如：- She had already bought the tickets before I arrived.（我到达之前，她已经买了票。

）- By the time he woke up, the sun had already risen.（他醒来时，太阳已经升起了。

）二、练题1. 根据括号中的提示，用过去完成时填空。

- When I arrived at the office, he ___ (finish) the task.（完成任务）- They _____ (leave) the party before we got there.（离开派对）- By the time I woke up, she ___ (cook) breakfast.（做早饭）2. 将以下句子改写为过去完成时。

- He had already booked the hotel before they arrived.（在他们到达之前，他已经预订了酒店。

）- We went to the cinema after they had left.（他们离开后，我们去了电影院。

）3. 根据句意，选择合适的动词完成下列句子。

过去完成时的详细讲解和练习题(全面解析)

过去完成时的详细讲解和练习题(全面解析)1. 过去完成时的定义和用法过去完成时（Past Perfect）是英语中用来表示在过去某个时间之前已经发生或完成的动作或状态的时态。

它通常和过去时态（Simple Past）一起使用，用来区分先后发生的动作或事件。

2. 过去完成时的结构过去完成时的结构由 "had" + 动词的过去分词构成。

例如：- I had finished my homework before she arrived.- They had already left when we got there.3. 过去完成时的用法过去完成时主要用来表达以下几个情况：- 表示在过去某个时间之前已经完成的动作或状态。

例如：- She had already left when I called her.- They had finished their dinner before the movie started.- 用来构建时间顺序上的递进或对比关系。

例如：- He had visited many countries before he settled down in France.- I had never seen such a beautiful sunset until that day.- 用于条件句中，表示在过去某个时间之前的假设情况。

例如：- If I had known the truth, I would have acted differently.4. 过去完成时的练题请根据句意和语境，使用适当的过去完成时形式填空。

1. By the time I arrived, they __________ their dinner.2. She __________ the book before she went to bed.3. If he __________ more carefully, he wouldn't have made that mistake.4. They __________ their work before the deadline.5. We __________ all the tickets by the time you arrived.参考答案：1. had finished2. had read3. had driven 5. had sold。

过去完成时的详细讲解和练习题(全面解析)

过去完成时的详细讲解和练习题(全面解析)一、过去完成时的概念过去完成时表示过去某一时间或动作之前已经完成的动作。

* We had finished our dinner when he arrived.（他来的时候我们已经吃完晚饭了。

）* When I got to the cinema, the film had started.（当我到达电影院时，电影已经开始了。

）二、过去完成时的构成过去完成时的构成：had + 过去分词。

基本结构：主语 + had + 过去分词+ …* She had already left when I arrived.（我到的时候她已经离开了。

）* I had finished my work before he called.（他打电话之前我已经完成了我的工作。

）三、过去完成时的用法1. 表示过去某个时间点之前已经完成的动作。

* They had gone out before I arrived.（我到之前他们就已经离开了。

）* She had read the book before she went to bed.（她在睡觉前已经读过那本书了。

）2. 表示过去的过去，即在过去某个时间或动作之前已经完成的动作。

常和过去时连用。

* He said that he had visited the museum before.（他说他以前去过博物馆。

）* She had finished her homework when her mother came back.（当她妈妈回来时，她已经完成了作业。

）四、过去完成时的练题1. __________(you, finish) your homework before you went to bed last night?2. By the time we arrived, the party __________(start) .3. I __________(not, see) the movie before last night.4. Before I came to China, I __________(study) Chinese for three years.5. They __________(already, leave) when I got to the station.【答案】1. Had you finished your homework before you went to bed last night?2. By the time we arrived, the party had started.3. I had not seen the movie before last night.4. Before I came to China, I had studied Chinese for three years.5. They had already left when I got to the station.。

初中过去完成时精讲+精练(附答案)

初中过去完成时精讲+精练(附答案)过去完成时是英语中用来表示过去的过去的一种时态。

它通常用在主句的动词是过去时的情况下，用来表示在过去某个时间或动作之前发生的另一个过去动作或状态。

形成方式过去完成时的形成方式是由 had + 动词的过去分词构成。

例如：- I had finished my homework before he arrived.- They had already left when we got there.用法和注意事项1. 表示过去的过去：过去完成时常用来表示在过去某个时间或动作之前已经完成的动作或状态。

例如：- She told me she had already eaten dinner.- He had studied English for five years before he moved to America.2. 引导时间状语从句：过去完成时也可以用来引导时间状语从句，表示在过去某个时间或动作之前已经完成的动作或状态。

例如：- They had finished their work before they went home.3. 与其他过去时态的区别：过去完成时和一般过去时以及过去进行时的区别在于它表示的是在过去的过去发生的动作或状态。

例如：- He said he had already bought the tickets. (过去完成时)- He said he bought the tickets. (一般过去时)精练请用过去完成时来完成下面的句子。

1. I ______ (finish) my homework before my parents came back.2. They ______ (leave) the office when I arrived.3. She ______ (already eat) dinner before we got there.4. We ______ (travel) to Europe many times before we visited Asia.5. He said he ______ (never see) that movie before.答案1. had finished2. had left3. had already eaten4. had traveled5. had never seen。

过去完成时态讲解及练习

完毕时态1）过去完毕时态的构成：必定式：had +动词的过去分词否认式：hadn't + 动词的过去分词疑问式：Had … + 动词的过去分词简略回答: Yes, 主+ have/has had.No, 主+ had 现在完毕时的使用方法2)过去完毕时合用场合1.过去完毕时表达在过去某一时间或动作以前已经完毕了的动作。

这个过去的时间惯用by，before 等介词短语或一种时间状语从句表达，也能够暗含在上下文中。

I had finished my homework before supper.我在晚饭前就把作业做完了。

The play had already started when we got to the theatre. 我们到剧场时戏已经开始了。

By the end of June they had treated over 10,000 patients. 到六月底他们已经治疗了一万多病人。

2.过去完毕时还可表达过去某一时刻之前发生的动作或状态持续到过去某个时间或还要持续下去，常与for，since 等词连用。

如：He had served in the army for ten years before he retired last year. 他在部队干了十年，去年退役了。

He told me that he had known her since he was a child. 他告诉我他从小就认识她。

He had learned English for eight years before he went to England for further study. 他在去英国深造前，已学了八年英语。

3.在一段情景连贯的文字中，先发生的事放在背面叙述时，要用过去完毕时。

如：Tom flew home, but his father had already died. 汤姆乘飞机回家，他的父亲却已经逝世了。

【英语】英语过去完成时解题技巧讲解及练习题(含答案)

【英语】英语过去完成时解题技巧讲解及练习题(含答案)一、初中英语过去完成时1．—We all went to the park except you last weekend. Why didn't you come?—Because I the park twice.A. have gone toB. had gone toC. had been toD. have been to【答案】 C【解析】【分析】have gone to去了（尚未回）．have been to去过（已回），根据句意在last weekend之前去过，所以用过去完成时，故选C。

【点评】本题考查过去完成时的用法，表示在过去某一时间前已经发生的动作。

2．By the time I finished my homework，my mother ．A. sleptB. has been asleepC. was asleepD. had been asleep【答案】 D【解析】【分析】由上文“By the time ”和“ finished”可知此处应为过去完成时，故选D.【点评】考查过去完成时。

3．By the end of 2012, many buildings built in our city.A. have beenB. haveC. had beenD. will【答案】 C【解析】【分析】句意：到2012年底，我们的城市里已经建成了很多大楼。

Buildings是build这一动作的承受者，该用被动语态。

而被动语态是由“be + 及物动词的过去分词”构成。

根据By the end of 2012可知该用过去完成时，所以选C。

4．Before O'Shea hosted the Joy FM program in Beijing, he_______ in Hongkong for ten years.A. worksB. has workedC. had workedD. would work【答案】C【解析】【分析】句意：O'Shea在北京主持Joy FM节目前，他已经在香港工作了10年了。

初中过去完成时态讲解带练习

初中过去完成时态讲解带练习过去完成时态是用来表示过去某一时间或动作前发生的完成的动作，通常由had + 过去分词构成。

例如：- I had finished my homework before I went to bed.- They had already left when we arrived.在使用过去完成时态时需要注意以下几点：1. 表示两个过去的动作，其中一个动作发生在另一个之前，这时要用过去完成时态。

例如：- He had worked there for 2 years before he was promoted.- She had already eaten before I came to her house.2. 句子中需要明确表示一个动作发生在另一个动作之前，可以使用过去完成时态。

例如：- When I got home, my mother had already cooked dinner.- By the time we arrived at the cinema, the movie had already started.3. 注意过去完成时态的时间范围，它仅限于过去发生的动作，而不包括现在的动作。

例如：- I have been to Japan before. (不可用过去完成时态)以下是一些练，请用过去完成时态填空：1. By the time I ______ (arrive) at the party, everyone had left.2. She _______ (not finish) her work, so she had to stay late.3. When he __________ (arrive) at the station, the train had already left.4. They _________ (cook) dinner before their guests arrived.5. We _______ (already watch) that movie before.答案：1. arrived2. had not finished3. arrived4. had cooked5. had already watched。

过去完成时讲解及练习

一. 过去完成时的概念与结构概念：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 ）”。

构成：“助动词had + 过去分词”，其中had 通用于各种人称。

They had already had breakfast before they arrived at the hotel.在到达旅馆之前，他们已经吃过了早饭。

She had finished writing the composition by 10：00 this morning.今天早晨10点之前，她已经写完了作文。

二. 过去完成时的用法用法1. 表示一个动作或状态在过去某一时间或动作之前已经完成或结束，即发生在“过去的过去”。

例如：When I woke up, it had stopped raining.我醒来时，雨已经停了。

（雨停发生在醒来之前，即“过去的过去”）用法2. 表示某一动作或状态在过去某时之前已经开始，一直延续到这一过去时间，而且动作尚未结束，仍然有继续下去的可能。

例如：By the end of last year, he had worked in the factory for twenty years.到去年年底为止，他已经在这个工厂工作了20年。

（到去年年底为止已工作了20 年，还有继续进行下去的可能）三. 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，例如：I had finished reading the novel by nine o'clock last night.到昨天晚上九点钟为止，我已经读完了这本小说。

（2）by the end of + 过去的时间点，例如：We had learned over two thousand English words by the end of last term.到上学期末为止，我们已经学了两千多单词。

过去完成时讲解及练习题(精讲)

过去完成时讲解及练习题(精讲)过去完成时是英语中用来表示在过去某个时间之前已经完成的动作的一种时态。

过去完成时构成为had + 过去分词。

本文将对过去完成时的用法进行详细讲解，并提供一些练题供练。

一、过去完成时的用法过去完成时常用来表达以下情况：1. 在过去某一时间点之前已经发生的动作或事件。

- 例句：By the time I arrived at the party, they had already left.- 译文：当我到达派对的时候，他们已经离开了。

2. 在过去某一时间段之前已经完成的动作或事件。

- 例句：She had finished her homework before dinner.- 译文：她在晚饭前已经完成了作业。

3. 过去的过去，即在过去的动作或事件之前还发生了另一个过去的动作或事件。

- 例句：I realized I had left my keys at home when I arrived at the office.- 译文：当我到达办公室时，我意识到我忘记把钥匙带在家里了。

二、过去完成时的构成过去完成时的构成为had + 过去分词，无论主语是单数还是复数，形式都不发生变化。

- 积极句：Subject + had + 过去分词- 否定句：Subject + had not + 过去分词- 疑问句：Had + subject + 过去分词 + 其它？三、过去完成时练题请根据句子的意思选择正确的动词形式填空，并将填空的句子改写成过去完成时。

1. They (go) to the cinema before we (arrive).- 译文：当我们到达之前，他们已经去电影院了。

- 改写：They had gone to the cinema before we arrived.2. She (finish) her work by the time he (call) her.- 译文：当他给她打电话时，她已经完成了工作。

高中英语时态语态专题-----过去完成时讲解和练习

过去完成时一、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 ）"。

----|-------------------------- |-------------------------------|---------------------------->那时以前那时现在二、基本结构：have/has + doneThey had already had breakfast before they arrived at the hotel.She had finished writing the composition by 10 ：00 this morning.三、时间状语：recently, lately, since…for…,in the past few years, etc.四、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。

英语过去完成时的用法总结及练习题附答案

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.e.g. He had lost his cat．他的喵丢了。

练习：他的汪丢了怎么说？②否定句：主语+had+not+过去分词.e.g. He had not finished his homework yet. 他还没有完成作业。

练习：I didn’t know the way to John’s house because I___ __ (be not) there before.hadn’t been③一般疑问句：Had+主语+过去分词?e.g. Had you learned English yesterday?昨天你学英语了吗？练习：_____ his homework by the time you got there?你到那儿的时候，他完成作业了吗？Had he finished肯定回答：Yes,主语+had.Yes, he had.否定回答：No,主语+had not.No,he had not.(hadn’t)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 got200 pictures from t he spaceship. 到昨晚9点钟，我们已经收到200 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, since构成的时间状语连用。

过去完成时讲解及练习

过去完成时讲解及练习什么是过去完成时？过去完成时是英语中的一种时态，用于表示过去某个时间点或事件之前已经发生的动作或状态。

它通常由动词had加上过去分词构成。

过去完成时常与过去简单时态或过去进行时态连用，以指明两个过去事件中的先后关系。

过去完成时的用法1. 表示过去某一时间点或事件之前已经完成的动作。

例如：- By the time I arrived, he had already left.（我到达时，他已经离开了。

）- We had finished dinner before the movie started.（电影开始之前，我们已经吃过晚饭了。

）2. 表示过去某一时间段内的连续或持续动作。

例如：- She had been studying English for three years before she moved to the United States.（她在搬到美国之前已经研究英语三年了。

）3. 表示过去某一时间点或事件之前曾经存在的状态。

例如：- When I arrived, they had already finished their homework.（我到达时，他们已经完成了他们的家庭作业。

）过去完成时的练练一将以下句子改写为过去完成时。

1. He started learning Spanish last year.- Answer: He had started learning Spanish last year.2. They had seen the movie before it was released.- Answer: They had seen the movie before it had been released.3. She finished her work and then she went home.- Answer: She had finished her work and then she went home.练二选择正确的动词形式填空，使用过去完成时。

动-词--过去完成时态-讲解与练习题

过去完成时一、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(过去)现在二、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。

例如：They had already had breakfast before they arrived at the hotel.他们来宾馆之前就已经吃过饭了。

H e didn’t go to bed until he had finished he work.他直到把工作做完之后才睡觉。

三、用法1.过去完成时表示一个动作或状态在过去某一时间或动作之前已经完成或结束，即发生在“过去的过去”。

例如：When I woke up, it had stopped raining.我醒来时，雨已经停了。

（主句的动作发生在“过去的过去”）He had left when I arrived. 当我到达时他已经离开。

2.过去完成时是一个相对的时态，表示的是“过去的过去”，只有和过去某一时间或某一动作相比较时才使用它。

例如：She told me that she had written a new novel.她告诉我她已经写好一本小说了。

(had written 发生在told 之前)I found the watch which I had lost. 我找到了我丢失的表。

3.过去完成时需与一个表示过去的时间状语连用，不能离开过去时间而独立存在。

此时多与already, yet, still, just, before, never 等时间副词及by, before, until 等引导的短语或从句连用。

过去完成时态讲解及练习

过去完成时态讲解及练习过去完成时态是英语中用于表示在过去某一动作或事件发生之前已经完成的动作或事件。

它通常由两个部分构成：过去助动词“had”和过去分词形式的动词。

以下是对过去完成时态的讲解及练示例。

一、过去完成时态的构成过去完成时态的构成由以下几个要素组成：1. 过去助动词“had”；2. 过去分词形式的动词。

二、过去完成时态的用法1. 表示在过去某一动作或事件发生之前已经完成的动作或事件。

示例：By the time we arrived, they had already eaten dinner.（我们到达的时候，他们已经吃过晚饭了。

）2. 表示在过去某个特定时间之前已经完成的动作或事件。

示例：She had finished her homework by 8 o'clock last night.（昨晚8点以前，她已经做完了作业。

）三、过去完成时态的注意事项1. 过去完成时态通常与表示过去的时间状语连用，例如“by the time”，“before”，“after”，“when”，“until”等。

示例：By the time they woke up, the sun had already risen.（他们醒来时，太阳已经升起。

）2. 注意句子的时态一致性，主句使用过去时态时，从句可使用过去完成时态。

示例：He said that he had already been to Japan twice.（他说他已经去过日本两次。

）四、过去完成时态的练以下是一些练题，帮助巩固对过去完成时态的理解：1. 他们已经完成了工作吗？2. 昨天晚上我在睡觉前已经刷牙了。

3. 他们在我到达之前已经离开了。

4. 你曾经去过那个城市吗？5. 吉姆离开前已经呆了一个小时了。

请根据上述规则和示例完成练题，加深对过去完成时态的掌握。

以上是关于过去完成时态的讲解及练习。

希望通过本文档的阅读和练习，您能更好地理解和掌握过去完成时态的用法和构成。

过去完成时的使用方法讲解及练习题(详细介绍)

过去完成时的使用方法讲解及练习题(详细介绍)过去完成时的使用方法讲解及练题过去完成时是英语中常用的一种时态，它表示在过去某个时间之前已经完成的动作，通常与过去时连用。

本篇文档旨在详细介绍过去完成时的用法，并提供相关练题。

过去完成时的构成过去完成时由 had + 过去分词构成，其中 had 是情态动词 have 的过去式，表示在过去某个时间之前曾经发生过的动作或状态。

例如：- I had finished my homework before my mother came back home.过去完成时的用法过去完成时表示在过去某个时间之前已经完成的动作。

通常与过去时连用，用于强调两个已经完成的动作的先后顺序。

例如：- He had already left when I arrived at the airport.- They had been married for 5 years before they decided to have a baby.过去完成时也可以用于条件从句中，表示对过去某个条件的假设。

例如：过去完成时和其他过去时态的区别过去完成时常常和过去时连用，两者的区别在于过去完成时强调的是两个已经完成的动作之间的先后顺序，而过去时则只表示过去发生的动作。

例如：- He went to bed after he had finished his homework.- He went to bed after he finished his homework.练题请用适当的时态填空：1. By the time he arrived, we __________ (finish) our lunch.2. She __________ (never, see) such a beautiful sunset before she came to Hawaii last summer.3. If I __________ (have) enough money, I would have bought the car.4. They __________ (watch) the movie twice before they realized it was boring.5. She __________ (study) English for 3 years before she went to the UK.答案：1. had finished2. had never seen3. had had4. had watched5. had studied。

语法过去完成时will讲解与练习

语法过去完成时will讲解与练习语法过去完成时（Past Perfect Tense）是在谈论过去的某一时刻或动作之前发生的完成动作。

它由“had + 过去分词”构成。

以下是一些关于过去完成时的讲解和练：1. 肯定句结构：- 主语 + had + 过去分词 + ...例：He had finished his homework before the party started.2. 否定句结构：- 主语 + had not + 过去分词 + ...例：They had not studied for the test before they received their grades.3. 疑问句结构：- Had + 主语 + 过去分词 + ...?例：Had she ever been to that city before she moved there?练：1. 填空：- She __________ (never visit) that country before she went on vacation there.- By the time I arrived, they __________ (already leave).- The train __________ (delay) for two hours before it finally arrived.2. 对话整理：根据提供的句子重新排列对话，并使用过去完成时。

A: (1) Had you finished your project before the deadline?A: (2) Oh, so you hadn't submitted it yet?B: (4) No, I hadn't. I needed more time to fix the problems.请根据以上讲解和练，完成你的文档标题为“语法过去完成时讲解与练”的任务。

过去完成时讲解及练习

过去完成时态讲解与练习定义：过去完成时是表示在过去某一时间或某一动作之前已经发生或完成的动作、事情。

它表示的是发生在“过去的过去”的动作，只有在和过去某个时间或动作相比较的时候才会使用过去完成时。

构成：①基本形式: had + 过去分词。

如:We had reached the top of the hill before midnight.在半夜之前我们已登上了山顶。

②否定形式: had + not + 过去分词。

如:They hadn’t finished the work whe n we got there.我们到那儿时,他们还没有完成工作。

③一般疑问句形式: had提到句首,回答用Yes, 主语+ had. / No, 主语+ hadn’t. 如:|—Had he told you to go there earlier yesterday他昨天告诉过你早点儿到那儿吗—Yes, he had. (No, he hadn’t.) 是的,他告诉了。

(不,他没有。

)用法：1、用在“after / before / when + 过去时态从句”或有“by+过去时间”的句子中。

例如：by then, by\ before nine o’clock yesterday,by the end of last year, by the age of twenty, by the time I arrived …Mother had already cooked supper before I returned home.在我回到家前,妈妈已经把饭做好了。

2、在过去不同时间发生的两个动作中，发生在先，用过去完成时；发生在后，用一般过去时。

例如：When I returned home, my guest had already left.I did not see the film because I had seen it before.`3、常用在主句为一般过去时的宾语从句中. 如told, said, knew, heard, thought, asked等动词后的宾语从句。

过去完成时及练习题100道(含答案)

过去完成及练习一、过去完成时（The Past Perfect Tense ）的概念及构成1．概念：它表示动作发生的时间是“过去．．的过去．．．”。

包括： a ．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．．．．．．．．．．．．．； b ．过去完成时还可以表示，从过去的某一时间开始到过去的另一．．．．．．．．．．．．．．．时间．．的动作或．．．．状态．．。

2．过去完成时由“助动词had + 过去分词”构成。

其中助动词had 适用于所有人称和数。

例如：① 肯定句：主语 + had + 过去分词 + 其它He had written 100 books by the end of last year.② 否定句：主语 + had not + 过去分词 + 其它He had not written 100 books by the end of last year.③ 一般疑问句：Had + 主语 + 过去分词 + 其它？Had he written 100 books by the end of last year?④一般疑问的回答：肯定回答：Yes, 主语 + had.否定回答：No, 主语 + hadn’t (had not)如：例句的肯定回答：Yes, he had.否定回答：No, hadn’t.④ 特殊疑问词或词组 + 一般疑问句（Had + 主语 + 过去分词）? 例如： How many books had he written by the end of last year?二、过去完成时的用法a ．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．。

它表示动作发生的时间是“过去．．的过去．．．”。

1．用by, by then, by the end of, by the time (of) 等构成的短语。