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免费?宅在家学英语?怎么报名?最牛英语口语培训模式:躺在家里练口语,全程外教一对一,三个月畅谈无阻! 洛基英语,免费体验全部在线一对一课程: http:/www.rockyenglish.com/(报名网址)英语语法:解析初中英语过去完成时语法学习确实是有点枯燥,但是还是要必须掌握的哦。今天将向大家解析初中英语过去完成时态,很精辟哦。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 oclock 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。在told, said, knew, heard, thought等动词后的宾语从句。如:She said that she had seen the film before. ( 2 )状语从句中 在时间、条件、原因、方式等状语从句中,主、从句的动作发生有先后关系,动作在前的,要用过去完成时,动作在后的要用一般过去时。如:When I got to the station, the train had already left.After he had finished his homework, he went to bed.注意: before, after 引导的时间状语从句中,由于 before 和 after 本身已表达了动作的先后关系,若主、从句表示的动作紧密相连,则主、从句都用一般过去时。如:Where did you study before you came here?After he closed the door, he left the classroom.( 3 )表示意向的动词,如hope, wish, expect, think, intend, mean, suppose等,用过去完成时表示原本,未能We had hoped that you would come, but you didnt.3. 根据上、下文来判定。I met Wang Tao in the street yesterday. We hadnt seen each other since he went to Beijing.三、过去完成时的主要用法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。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)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。如:He told me that he had written a new book. (had written 发生在 told 之前 )3. 过去完成时需要与一个表示过去的时间状语连用,它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。如:Before she came to China, Grace had taught English in a middle school for about five years.Peter had collected more than 300 Chinese stamps by the time he was ten.4. 过去完成时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。如: By the end of last year, he had worked in the factory for twenty years. ( had worked 已有了 20 年,还有继续进行下去的可能)语法学习的目的是要让大家会分析句子的结构,从而更清楚的了解句子的含义。当然,你还可以去我们的免费英语学习网站上,获取更多的免费英语学习资料哦!“成千上万人疯狂下载。 更多价值连城的绝密英语学习资料,洛基内部秘密英语,技巧,策略请在 网上 申请报名”洛基英语是中国英语培训市场上的一朵奇葩,是全球已被验证的东方人英语学习的最佳模式。洛基英语是中国专业在线英语培训机构,通过电话英语、视频英语与外教一对一的模式提高学员英语口语水平,提供英语口语培训,成人英语培训,商务英语培训,企业英语培训等课程。
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