九年级英语上册 Unit 4 Stories and Poems过去进行时的用法 （新版）冀教版(1).doc

unit 4 stories and poems过去进行时的用法（上）过去进行时主要表示过去某一时刻正在进行的动作，或表示过去某一阶段一直在进行的动作。1. 构成：助动词was (were) + 动词的现在分词。如：i was having a talk with zhang hong at this time yesterday. 昨天这个时候我正在跟张红谈话。they were watching tv at home last night. 昨晚他们一直在看电视。2. 基本句型：肯定式疑问式否定式i was doingwere you doing?i was not doinghe / she / it was doing.was he / she / it doing?yes, he / she / it was.no, he / she / it wasnt.he / she / it was not doing.we were doing.were we doing?we were not doingyou were doingwere you doing?you were not doingthey were doingwere they doing?they were not doing3. 基本用法：（1）过去进行时表示过去某一时间正在进行的动作，常和表过去的时间点的状语连用，如：i was doing my homework at eight yesterday evening. 昨天晚上八点钟我正在做作业。was she watching tv at home at ten oclock last night? 昨天晚上十点钟她正在家里看电视吗？（2）过去进行时的主要用法是描述一件事发生的背景；一个长动作发生的时候，另一个短动作发生。常用的时间状语有：thismorning,thewholemorning,alldayyesterday,fromninetotenlastevening,when,while等。如：wewerewatchingtvfromseventoninelastnight. 昨天晚上七点到九点的时候我们在看电视。whatwashedoingalldaylastsunday? 上周日他一整天都在做什么？mybrotherfellwhilehewasridinghisbicycleandhurthimself. 我哥哥骑自行车的时候从车上摔下来，受伤了。itwassnowingwhentheyleftthestation. 他们离开车站的时候天正在下雪。（3）在复合句中，如果主要动作和背景动作都是延续的或同时发生的，那么主从句的动词都可用过去进行时。如：whilehewaswaitingforthebus,hewasreadinganewspaper. 他边等车边看报。(两个动作都是延续的) hewascleaninghiscarwhileiwascooking. 他擦车时我在做饭。(两个动作同时进行)过去进行时的用法（下） 1. 一般过去时和过去进行时的用法区别：（1）一般过去时表示在过去某时发生的动作或存在的状态（包括过去习惯动作），常与一般过去时连用的时间状语有just now, a moment ago, yesterday, last week (month, year), the day before yesterday及表示过去的时间状语从句。如：where did you live last year? 去年你住在哪里？my father worked in this factory in 2000. 我父亲2000年在这家工厂工作。i met her in the street the day before yesterday. 前天我在街上遇见了她。he often swam in the river when he was young. 他小时候常在河里游泳。（2）过去进行时表示过去某一段时间或某一时刻正在进行的动作。常与之连用的时间状语有，at that time / moment, (at) this time yesterday (last night / sunday / week), at + 点钟 + yesterday (last night / sunday), when somebody did something等时间状语从句。what were you doing at seven yesterday evening?昨天晚上七点你在干什么？i first met mary three years ago. she was working at a radio shop at the time. 我第一次遇到玛丽是在三年前。当时她在一家无线电商店工作。i was cooking when she knocked at the door. 她敲门时我正在做饭。（3）一般过去时往往表示某一动作已经完成，而过去进行时却表示动作在持续或未完成。如：i saw you while you were speaking to the teacher. 你在和老师谈话时我看见了你。注意：有的过去时间状语既可用于一般过去时，也可用于过去进行时，但含义不同。如：she wrote a letter to her friend last night. 她昨晚给她的朋友写了封信。（信写完了）she was writing a letter to her friend last night. 她昨晚一直在给她的朋友写信。（信不一定写完）2. 过去进行时其他注意点：(1) 过去进行时可表示按计划、安排过去某时刻将要发生的动作，动词go, leave, arrive等常可这样使用。如：he said they were leaving for beijing this afternoon. 他说他今天下午要去北京。(2) 动词hope, wonder等的过去进行时常用来表示提出要求，虽然表示现在的内容，但语气比一般现在时或一般过去时要委婉。如：i was wondering whe