09年自考英语语法复习资料 21 .doc

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09年自考英语语法复习资料 21

  (12)过去进行时   1过去进行时的定义   过去进行时常表示过去某一时刻或过去某一阶段内正在进行的动作。   2过去进行时的构成   过去进行时是由“be动词的过去式was/were+现在分词”构成。   3过去进行时的基本句型   肯定式   疑问式   否定式   I was working   Were you working?   I was not working   He / She / it was working.   Was he / she / it working?   Yes,he / she / it was.   No,he / she / it wasnt.   He / she / it was not working.   We were working.   Were we working?   We were not working   You were working   Were you working?   You were not working   They were working   Were they working?   They were not working   4过去进行时的基本用法   a.过去进行时表示过去某一时间正在进行的动作,常和表过去的时间状语连用,如:   I was doing my homework at this time yesterday.昨天的这个时候我正在做作业。   They were expecting you yesterday.他们昨天一直在等待。   b.过去进行时可与soon,the next moment,in minutes,minutes later等时间状语连用,表示一个新的动作刚刚开始。如:   Soon the whole town was talking about it.不久镇上的人就都谈论起这种事了。   c.过去进行时可用来申述原因或用作借口,这种用法常用在口语中。如:   —— Have you finished your homework,Mary?玛丽,你作业做完了吗?   —— No,I was helping my mother is the kitchen all day yesterday.还没呢,我昨天一天都帮妈妈在厨房干活。   d.过去进行时可用来为一个后一系列动作的发生提供背景。如:   I hurt my leg when I was riding a bike.我在骑车时把腿摔坏了。   e.过去进行时可表示过去未曾实现的愿望或打算,这时be动词was/were要重读。如:   I was writing him a letter this morning and forgot all about it .我本该今天早上给他写信的,后来全给忘了。   I was seeing her tomorrow. 我本来打算明天会见她。   He was watching the play yesterday,but he was too busy. 他昨天本来要看那场戏的,可是太忙了。   5 一般过去时和过去进行时的区别   (1)一般过去式常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:   I was sixteen yesterday old last year.我去年16岁。   He worked in a factory in 1986.他1986年在一家工厂工作。   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.他小时侯常在河里游泳。   (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 ******************. did sth等时间状语从句。   What were you doing at seven p.m. yesterday?昨天晚上七点你在干什么?   I first met Mary t

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