完成时（Present perfect）过去发生并且已经完成的动作对现在造成影响或后果，过去某一时

行时是动词的一种基本时态，将来完成进行时表示动作从某一时间开始一直延续到将来某一时间。这个时态常和表示将来某一时间的状语连用。 5、其构成为:主语+shall/will+助动词have+been+动词的现在分词+其他成分。主语+ shall/will have been doing.例如： 1)I shall have been working here in this factory for twenty years by the end of the year. 到今年年底，我将在这个工厂工作20年了 2)If we don't hurry up the store will have been closing before we get there. 咱们如不快一点儿，等我们到了那儿，店门就会关了。 3)The play is coming off in August. By then the play will have been running for three months. 这个剧将于8月停演。到那时为止，这个剧将连演三个月了。 6、将来完成进将来进行时与将来完成进行时的区别: 1、将来进行时主要表示将来某一时间正在进行的动作，或表示要在将来某一时行时强调动作过程在另一动词之前的长度。将来进行时则强调将来进行的动作状态。同时，请注意两者的基本构成:be 和 have been 的区别。

来了不少的幸福。 We’ve had a few arguments over the years, but in general we get on very well. 最近几年来，我们争时，无论是用作介词、连词还是副词，since都通常要与现在完成时吵过几次，但总的说来，我们相处得很好。 5，so far 当so far表示“到目前为止”时，它指的是从过去某时持续到现在的一段时间，因此通常与现在完成时连用。如： So far 500 people have died in the earthquake. 到现在为止，已有500人在地震中丧生。 So far the work has been easy

已在发生的动作： He will have been playing on the piano by that time. 他在那个时候之前应该一直都在弹钢琴。 2)表示将来某时某动作已持续多久： By the time the sun rises, I shall have been sleeping for nine hours. 太阳升起来之前，我已经(不停地)睡了9个小时了。 He will have been studying Chinese seven years by 1980. 到1980年之前，他就已经学了7年中文了。 By six this evening I shall have been working for ten hours. 今天傍晚六点前，我就已经(连续)工将来完成进行时，都是需要大家进行了解的。今天我们为大家整理了将来完成作了10个小时了。 It will have been raining for a whole week if it rains again tomorrow. 如果明天还继续下雨，这雨就已经连着下了一整个礼拜了。 3)表示一种猜想，实际上指现在情况： He will(=may)have been waiting for me. But I can not go，because it is raining. 他可能在等我。但我现在还不能走，因为下雨了。 It is winter, it will have been snowing in the north. 冬天到了，北方可能已经开始下雪了。 以上就是为大家整理的将来完成进行时的基本语法，希望能够对大家有所帮助。学习英语，时态很重要，大家要重视起来。

现在完成时在英语中的使用频率有很高，要是没学好，对英语的日常使用和各种考试而言，影响都会很大。现在完成时不仅是初中英语中最重要也是最难掌握的一个时态，同时它完成时在英语中的使用频率有很高，要是没学好，对英语的日常使用和各种考试而言，影响都会很大。现在完成时也是中考英语中一个 最重要的时态考点。许多同学对现在完成时的用法似懂非懂，做题时也往往是跟着感觉走。现在完成时表示动作发生在过去，完成在过去，但强调与现在情况仍有联系，其结果或影响仍存在。现在完成时有一些标志性的时间状语：    一：for + 时间段；since + 时间点   They have lived in Beijing for five years.   They have lived in Beijing since

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需用一般过去时来代替过去完成时；另外，在 before ， after ， as soon as 引导的从句中，由于这些连词本身已经表示出时间的先后，因此也可以用过去时来代替过去完成时。如： He entered the room, turned on the light and read an evening paper. I (had) called her before I left the office. 专项练习题： 汉译英 1.到上学期你们学会了多少首歌？ 2.到昨天晚上，他把这篇课文读了三遍。 3.十点钟前，我们到达了车站。 4.在他上中学之前，已学会了两百多个英语单词。 5.当我们到达电影院时，电影已经开始五分钟了。 6.昨天找看见李平了。自从我们离开北京，就一直没有见面。 7.我昨天没有给魏华那本书，因为她已经为

用到这个时态的时候，在以下情况下可以用将来完成进行时态而不是将来完成时态。 1)句子中所涉及到的动作本身就是连续性的 By the end of the autumn she will have been living here for twelve years。 到了秋末她在这里居住/工作/学习就满十二年了。 2) 一种经常进行的动作被表示为连续的动作： By the end of this month he will have been training students for chemical experiences for twenty years． 到了这个月底他训练学生做实验就满20年了。 但是如果提到所训练的学生或者已经做过实验的次数的话，或用任何方式把动作分割为一次又一次的动作，就必须用将来完成时： By the end of the month he will have trained 600students for 790 different chemical experiences. 到本月底，他就已经带领600个学生做过790个不同的化学实验了。 二、连用用法 经常与before+将来时间或by+将来时间连用，也可与before或by the time引导的现在时的从句连用。结构构成是：will / be going to do sth.这样的机构有2种意思表示。如下 1. 状态完成：表示某事继续到将来某一时为止一直有的状态。 2. 动作完成：表示将来某一时或另一个将来的动作之前，已经完成的动作或一获得的经验。 They will have been married for 20 years by then. You will have reached Shanghai by this time tomorrow. 将来完成时的构成 将来完成时的构成是由"shall/will + have +过去分词组成。 Before long he will have forgotten all about the matter. 不久他就会全然忘记这将来完成进行时态而不是将来完成时件事的。 He is somebody now. He will not have remembered his old classmates. 他现在是一个有身份的人了，他可能不会记得老同学了。 Will you have known Kevin for 10 years next month? 到下个月你认识kevin应该有十年了吧？

过去完成时表示"原本…，未能…" We had hoped that you would come, but you didn't. 3. 根据上、下文来判定。 I met Wang Tao in the street yesterday. We hadn't seen each other since he went to Beijing. 典型例题 (1) ---Do you know our town at all? ---No, this is the first time I ___ here. A. was B. have been C. came D. am coming 答案B. This is the first time 后面所加从句应为现在完成时，故选B。 (2) ---Have you ____ been to our town before? ---No, it's the first time I ___ here. A. even, come B. even, have come C. ever, come D. ever, have come 答案D. ever意为曾经或无论何时，反意词为never，此两词常用于完成时。 This is the largest fish I have ever seen. It is / was the first time +that-clause 的句型中，从句要用完成时。 注意：非延续性动词的否定形式可以与表示延续时间的状语连用。即动作不发生的状态是可以持续的。 （错）I have received his letter for a month. （对）I haven't received his letter for almost a month. 过去完成时的时间状语before, by, until , when, after, once, as soon as。 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. 典型例题 The students ___ busily when Miss Brown went to get a book she ___ in the office. A. had written, left B，were writing, has left C. had written, had left D. were writing, had left 答案D. "把书忘在办公室"发生在"去取书"这一过去的动作之前，因此"忘了书"这一动作发生在过去的过去，用过去完成时。句中when表示的是时间的一点，表示在"同学们正忙于……"这一背景下，when所引导的动作发生。因时刻或动作以前完成此前一句应用过去进行时。 注意： had no … when 还没等…… 就…… had no sooner… than 刚…… 就…… He had no sooner bought the car than he sold it.  

行时的构成：will be doing，表示将来某个时候正在进行的动作或表示计划好的事，陈述将来的事实。 [en]They will be arriving here tomorrow.[/en] [cn]他们明天就到了。[/cn]   （3）将来完成进行时的构成：will have been doing，表示某种状况一直持续到说话人所提及的时间，从某一点发生, 一直延续到将来的某一点, 并且将可能延续下去，强将来完成时的构成：will have done，表示到将来某一时刻已经完成的动作，必须和某个时间状语连用，强调到将来某一点时调到将来某一点时间动作可能结束或延续。 [en]By this time next week, I will have been working for this firm for twenty years.[/en] [cn]下礼拜的这个时候，我就在这家公司工作满20年了。[/cn] [en]By Friday midday, they will have been working on it for seven days.（work on sth.      关于……的工作）[/en] [cn]到周五中午为止，他们就为此工作7天了。[/cn]   （4） 在时间状语从句中，要用现在完成时代替将来完成时： [en]By the time I’ve completed this one, I’ll have been writing for six years.[/en] [cn]到我写完这本书时，我将已经写了6年书了。[/cn] [en]When I’ve built this one, I’ll have built five altogether.[/en] [cn]我建好这座楼的时候，我将已经建了5座了。[/cn]

过去完成时。 The said the production costs had been reduced. The boy was reminded that his homework had not been handed in. The media reported more than 1,000 people had been killed in the earthquake. （3）根据语意可以判断出动作先后的被动语态，用完成时 （1）常用过去完成时的几种情况： ①by, by the end, by the time, until, before, since后接表示过去某一时过去完成时。 As the assignment had been done, he went on to search the Internet. He did what he had been told to 另：当从句由 after，before，when或 as soon as引导时，主句和从句都可以用一般过去时。 When he arrived, he called her. They locked the door before they left.