(word完整版)九年级过去完成时用法讲解.docx

九年级过去完成时用法讲解 1、概述 过去完成时表示过去某一时间或动作以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” 。表示过去某一时间可用 by, before 等构成的短语， 也可用 when, before 等引导的从句或通过上下代表示。 His eyes shone brightly when he finally received the magazine he had long expected. 当她终于收到她盼望已久的杂志时，她兴奋得两眼闪光。 By the time he was twelve, Edison had begun to make a living by himself.12 岁时，爱迪生就开始自己谋生。 2、构成 过去完成时由“助动词 had+过去分词”构成。其否定式、肯定式、疑问式如下表： 肯定式 had +PP 否定式 had+not PP 疑问式 Had...PP? 注意： had not 常简略为 hadn't 。 They asked me to have a drink with them and said it was at least ten years since I had enjoyed a good drink. 他们请我和他们一起喝酒，并说我自上次喝酒到现在至少十年了。 We had learnt 30 lessons by the end of last month. 到上个月末为止，我们已经学了 30 课。 He said we hadn’ t seen each other since I left Beijing. 自从我离开北京，我们还没见过面。 3、过去完成时的用法 过去完成时的主要用法和现在完成时一样。 不同的是， 过去完成时把时间推移到了过去某 一时间之前，与现在无关。 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。这个过去的时间状语有 by, before 等介词短语或 when, before 等引导的从句。 Helen had left her keys in the office so she had to wait until her husband came home. 海伦把钥匙忘到办公室里了，因此她不得不等她丈夫回来。 When we got to the cinema, the film had already begun. 当我们到达电影院时，电影已经开始了。 He told me that he had visited the Great Wall before. 他告诉我他以前参观过长城。 By the end of the match, they had kicked 2 goals, and we had kicked 4. 比赛结束时，他们踢进了 2 个球而我们踢进了 4 个球。 When Jack arrived he learned Mary had been away for almost an hour. 杰克到达后得知玛丽走了近一个小时了。 2）表示动作在过去某一时间之前开始，一直延续到过去的这一时间，而且还可能继续下去的动作，常和 for, since 构成的短语或引导的从句连用。 The news came as no surprise to me. I had known for some time that the factory was going to shut down. 听到这个消息我并不感到吃惊。工厂要倒闭这件事我早就知道了。 By the time I left the school, he had taught the class for 3 years. 到我毕业时， 他已经教那个班三年了。 He said he had made great progress since he came here. 他说自从他来这里他已经取得了很大进步。 （3）用于表示与过去事实相反的虚拟条件从句或 as if 从句中表示与过去事实相反 If he had seen you yesterday, he would have asked you about it. 假如他昨天看到你， 他就会问你这件事了。 I should have called you if I had known your telephone number. 假如我过去知道你的电话号码， 我就 你打 了。 He described the scene as if he had been there. 他描 的景色如同他去 那里一 。 Had I known that you wanted th