过去完成时用法详解
过去完成时用法讲解

过去完成时用法讲解一、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 by 10:00 last 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。
)The minute I saw a lady getting off the bus, I knew it was she, for I had seen her before. (我一看到正在下公共汽车的那位女士就知道是她,因为我以前看见过她。
)解说: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 at 10:00 last night.若是要说“at 10:00 last 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)或许你会说:“昨天下了雨,可是今天已放晴了,下雨已是过去的事,而且已经下完了,所以就用过去完成时……。
”这就是最令同学们对一般过去时和过去完成时感到混淆和困惑的。
实际上只要我们了解下面的两点原则就可以消除这种现象。
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, once, as soon as 等。
动词时态过去完成时的用法

动词时态过去完成时的用法动词时态在英语语法中扮演着重要的角色,它用于准确描述一个动作或状态是发生在过去、现在还是将来。
过去完成时是过去时态中的一种,用来表示在过去某一时间或事件之前已经发生的动作或状态。
本文将详细介绍过去完成时的用法及相关例句。
一、过去完成时的结构与构成:过去完成时的结构由助动词“had”加上过去分词构成。
例如:“had + 过去分词”。
二、过去完成时的用法:1. 表示过去某一时间或事件之前已经完成的动作或状态:过去完成时用于描述在过去某个时间点、事件或动作之前已经完成的另一个过去动作或状态。
此时,通常与表示过去的时间状语连用,如:by the time, before, when等。
例句1:By the time I arrived, she had already left.(在我到达时,她已经离开了。
)例句2:He had finished his homework before he went to bed.(他睡觉之前已经完成了作业。
)2. 表示过去直到某一时间已经发生或已经完成的动作或状态:过去完成时还可用于表示过去某一时间一直延续到另一过去时间之前已经发生或完成的动作或状态。
例句1:She had lived in New York for three years before she moved to London.(在她搬到伦敦之前,她在纽约已经住了三年。
)例句2:They had known each other since they were children.(他们从小就认识彼此。
)3. 与过去某一时间的比较:过去完成时可用于与过去某一时间进行比较,表示在过去某一时间之前已经完成的动作或状态。
例句1:John had already left when I arrived home.(我到家的时候,约翰已经离开了。
)例句2:She had finished her presentation by the time the meeting started.(会议开始时,她已经完成了演讲。
过去完成时的用法及例句解析

过去完成时的用法及例句解析过去完成时是英语中一种用于表示过去某个时间点或动作之前已经完成的动作或状态的时态。
在使用过去完成时时,我们通常需要提供两个具体的过去时间点或动作,以强调其中一个发生在另一个之前。
一、过去完成时的结构过去完成时的结构为“had + 过去分词”,其中“had”为过去完成时的助动词,表示主语在过去某个时间点之前已经完成的动作或状态。
二、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或状态。
例句:- When I arrived at the cinema, the movie had already started.(当我到达电影院时,电影已经开始了。
)- Emily realized that she had left her keys at home after she arrived at the office.(埃米莉在到达办公室后才意识到她把钥匙忘在家里了。
)2. 表示过去某个动作之前已经完成的动作或状态。
例句:- John had washed the dishes before he went to bed.(约翰在上床睡觉之前已经洗了碗。
)- The students had studied English for two years before they took the proficiency test.(学生们在参加熟练度测试前已经学习了两年英语。
)3. 用于虚拟语气句型中,表示对过去某个时间点或动作的假设或推测。
例句:- If I had known you were coming, I would have baked a cake.(如果我早知道你要来,我就会烤一个蛋糕。
)- She would have passed the exam if she had studied harder.(如果她更努力学习的话,她本来会通过考试的。
)4. 用于时间状语从句中,表示过去某个时间点或动作之前已经完成的动作或状态。
过去完成时的用法与常见句型

过去完成时的用法与常见句型过去完成时是英语中一种表示在过去某个时间点或动作之前已经完成的动作或状态的时态。
它可以帮助我们更准确地描述过去的时间关系和事件顺序。
本文将介绍过去完成时的用法和常见句型。
一、过去完成时的用法1. 表示在过去某个时间点之前已经完成的动作或状态。
例如:- By the time I arrived at the party, they had already left.(当我到达派对的时候,他们已经离开了。
)- The train had departed when we got to the station.(当我们到达车站时,火车已经开走了。
)2. 表示在过去某个动作之前已经完成的动作或状态。
例如:- She realized she had forgotten her keys after she locked the door.(她在锁门之后意识到自己忘记带钥匙了。
)- He had finished his homework before he went out to play.(他在出去玩之前已经做完作业了。
)3. 用于虚拟语气中,表示过去的假设或不可能实现的情况。
例如:- If I had known about the party, I would have attended.(如果我早知道派对的事情,我就会去了。
)- She would have passed the exam if she had studied harder.(她如果学习更努力的话,就能通过考试。
)4. 与表示过去的时间副词连用,进一步明确过去的先后顺序。
例如:- After I had finished my work, I went to bed.(在完成工作之后,我上床睡觉。
)- When she had heard the news, she burst into tears.(当她听到这个消息时,她哭了起来。
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。
过去完成时用法详解

过去完成时用法详解 TYYGROUP system office room 【TYYUA16H-TYY-TYYYUA8Q8-过去完成时用法小结一、过去完成时适用场合1. 过去完成时表示在过去某一时间或动作以前已经完成了的动作。
这个过去的时间常用by,before等介词短语或一个时间状语从句表示,也可以暗含在上下文中。
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. 过去完成时还可表示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,先发生的事放在后面叙述时,要用过去完成时。
如:Tom flew home, but his father had already died. 汤姆乘飞机回家,他的父亲却已经去世了。
4. 过去完成时也用于hardly...when...(刚…就…), no sooner...than... (刚…就…),It was the first time + that分句等一些固定句型中。
过去完成时的用法

过去完成时的用法过去完成时是英语中的一种时态,它用来描述在过去某一时间点之前已经完成的动作或事件。
本文将详细介绍过去完成时的用法。
一、句式结构过去完成时的句式结构为:had + 过去分词。
其中,had是过去完成时的助动词,表示过去的完成动作。
过去分词则为动词的过去分词形式。
例如:1. I had finished my homework before he arrived.(他到达前我已经完成了作业。
)2. They had already left when I got home.(当我回到家时,他们已经离开了。
)二、过去完成时的用途1. 过去某一时间点之前已完成的动作:过去完成时常用来表示在过去某一时间点之前就已经完成了的动作或事件。
例如:I had already eaten dinner by the time she called.(她打电话的时候我已经吃过晚饭了。
)2. 表示对过去某一时间点的前后动作的关系:过去完成时可用于描述对过去某一时间点之前和之后发生的两个动作之间的关系。
例如:He had studied English for three years before he moved to the United States.(在他搬到美国之前,他已经学习了三年英语。
)3. 用于虚拟语气的条件句:过去完成时还可以用于虚拟语气的条件句中,表示对过去的假设或假设成立的情况。
例如:If I had known you were coming, I would have prepared a meal.(如果我知道你要来,我就会准备一顿饭。
)三、过去完成时的注意事项1. 过去完成时对时间顺序的要求:过去完成时要求在过去某一时间点之前已经完成的动作必须在该时间点之后,而不是同时进行或者在该时间点之前还未完成。
例如:错误例:I had finished my homework when he arrived.(他到达时我已经完成了作业。
初中英语过去完成时及详细讲解

初中英语语法及过去完成时详解过去完成时是英语中一种表示过去某一时间点之前已经发生的动作或情况的时态。
它由"had + 过去分词"构成。
过去完成时的用法如下:1. 表示在过去某一时间点之前已经完成的动作:①She had already finished her homework when I arrived.(我到达时,她已经完成了作业。
)这里表示在我到达之前,她已经完成了作业。
②They had left before the concert started.(音乐会开始之前,他们已经离开了。
)这里表示在音乐会开始之前,他们已经离开了。
2. 表示在过去某一时间点之前持续的动作或状态:①He had been studying English for three years before he moved to England.(在他搬去英国之前,他已经学习英语三年了。
)这里表示在他搬去英国之前,他一直在学习英语。
需要注意的是,过去完成时强调的是过去某一时间点之前的动作或情况。
因此,常与过去的时间状语连用,如before、after等,以明确指定过去的时间点。
另外,过去完成时常与过去简单时连用,用于表示两个过去的动作或情况的先后顺序。
过去完成时的动作通常发生在过去简单时的动作之前。
例如:①She had finished her homework before she went to bed.(她在睡觉前已经完成了作业。
)②They had already left when I arrived at the party.(当我到达派对时,他们已经离开了。
)总结起来,过去完成时用于表示过去某一时间点之前已经发生的动作或情况,常与过去的时间状语连用,以明确指定过去的时间点。
同时,过去完成时通常与过去简单时连用,以表示两个过去的动作或情况的先后关系。
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过去完成时用法小结
一、过去完成时适用场合
1. 过去完成时表示在过去某一时间或动作以前已经完成了的动作。
这个过去的时间常用by,before等介词短语或一个时间状语从句表示,也可以暗含在上下文中。
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. 过去完成时还可表示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,先发生的事放在后面叙述时,要用过去完成时。
如:
Tom flew home, but his father had already died. 汤姆乘飞机回家,他的父亲却已经去世了。
4. 过去完成时也用于hardly...when...(刚…就…), no sooner...than... (刚…就…),
It was the first time + that分句等一些固定句型中。
He had no sooner left the room than they began to talk about him. 他刚离开房间,他们就议论起他来。
We had hardly begun when we were told to stop.
我们刚开始就被叫停。
It was the first time that he had ever spoken to me in such a tune.他用这样的语调跟我讲话,这是第一次。
二、过去完成时与一般过去时的比较
1. 当一个由before, after, as soon as 等连词引导的从句所表示的动作和主句的动作紧接着发生时,两个动作均可用一般过去时来表示。
We had breakfast after we did morning exercises.
做完早操后,我们吃早饭。
The train started to move just before he reached the platform. 他到月台时火车刚开走。
They started ploughing as soon as they got to the fields. 他们一到地里就开始耕地。
2. 按时间顺序叙述两个或两个以上接连发生的动作时,用一般过去时。
He entered the room, turned on the light and sat down at the table. 他走进屋子,打开灯,坐在桌子旁。
3. 在表示某人过去未曾完成的“心愿”、“打算”、“计划”、“想法”、“许诺”等时,hope, mean, plan, think, intend等谓语动词常用过去完成时。
I had hoped to be back last night, but I didn’t catch the train. 我本来希望昨晚回来的,但没搭
上火车。
We had thought to return early but they wouldn’t let us go. 我们本想早回来的,但他们不让我们走。
4. 在表示过去的句子中出现常与完成时态连用的词,如:already,yet,since,for,ever,never及次数名词等时,常用过去完成时来表示。
When we got there the basketball match had already started. 我们到那里时,篮球赛已经开始了。
The old man said that he wanted to go where he had never been. 老人说他想到他从未去过的地方去。
5. 如果句中出现了表示具体的过去时间的状语,句子的内容为过去的实际情况或句子的内容为历史事实时,句中的动词时态常用一般过去时。
如:
The teacher said that it was Columbus who first discovered the American continent.老师说是哥伦布最早发现了美洲大陆。
6. 表述说话人始料未及的事情时,句子的谓语动词常用一般过去时。
由于受汉语表述习惯的影响,常会用错时态。
Jack, you are also here! I didn’t see you. 杰克,你也在这啊!我没有看见你。
随讲随练
1. John, a friend of mine, who got married only last week, spent $3,000 more than he _____ for the wedding. [2006年全国II卷]
A. will plan
B. has planned
C. would plan
D. had planned
2. I was giving a talk to a large group of people, the same talk I ______ to half a dozen other groups. [2006年湖南卷]
A. was giving
B. am giving
C. had given
D. have given
3. Father for London on business upon my arrival, so I didn’t see him. [2005年福建卷]
A. has left
B. left
C. was leaving
D. had left
4. She ______ her hairstyle in her hometown before she came to Chongqing for a better job.
[2004年重庆卷]
A. would change
B. has changed
C. changed
D. was changing
5. He ______ to spend the important day with us last Sunday, but he was too busy then.
A. hoped
B. has hoped
C. had hoped
D. would hoped
6. When the old man ______ to walk back to his house, the sun ______ itself behind the mountain. [2005年湖北卷]
A. started; had already hidden
B. had started; had already hidden
C. had started; was hiding
D. was starting; hid
7. Sales of CDs have greatly increased since the early 1990s, when people ______ to enjoy the advantages of this new technology. [2004年江苏卷]
A. begin
B. began
C. have begun
D. had begun
8. — Oh, is that you, Bob?
— Err...yes. Ah, you’re Mary. Sorry I _____ you. We haven’t seen each other for ten years, have we?
A. didn’t recognize
B. hadn’t recognized
C. haven’t recognized
D. don’t recognize Key:1-8 DCDCCABA。