1、区别一般过去时过去进行时形式结构上的区别否定句、疑问句结构上的区别用法上的区别一般过去时VS过去进行时1形式结构上的区别1.一般过去时的形式结构为:主语+动词的过去式+其它。如:They were free the day before yesterday, but we were busy. 前天他们很闲,而我们却很忙。I got up at 6:30 yesterday. 昨天我是六点半起床的。2.过去进行时的形式结构为:主语+was/were+动词的现在分词+其它。如:What were
2、 you doing this time yesterday﹖昨天的这个时候你在做什么?He was drawing an elephant on the blackboard when the teacher came in. 当老师进来时,他正在黑板上画一头大象。2否定句、疑问句结构上的区别1.一般过去时的否定句、疑问句多是借助助动词did来体现的(be的疑问句和否定句除外),需要注意的是:此时实义动词应用原形。如:He worked in Beijing last year. 否定句:H
3、e didn't work in Beijing last year. 疑问句:Did he work in Beijing last year﹖反意疑问句:He worked in Beijing last year, didn't he﹖ 2.过去进行时的否定句、疑问句多是借助系动词was或were来体现的(和动词be一般过去时的疑问句和否定句一样)。如:He was working in the park at eight yesterday morning. 否定句:He
4、 wasn't working in the park at eight yesterday morning. 疑问句:Was he working in the park at eight yesterday morning﹖反意疑问句:He was working in the park at eight yesterday morning, wasn't he﹖3用法上的区别1.过去进行时往往表示动作的未完成性,而一般过去时往往表示动作已完成。试比较:David wrote a letter to
5、 his father last night. 大卫昨晚给他父亲写了一封信。(信写完了。) David was writing a letter to his father last night. 大卫昨晚正在给他父亲写信。(指信在写的过程中,不一定写完。)2.过去进行时和always连用,表示赞扬、感叹、厌恶等感情色彩;而一般过去时和always连用,表示经常或反复发生的动作。试比较:He was always changing his mind. 他总是三心二意。(
6、表示厌恶) He always went to work by bus last year. 去年他总是乘坐公共汽车上班。(表示经常性动作)43.一般说来,过去进行时侧重动作持续时间的长度;而一般过去时只说明过去某时发生某事,侧重说明事实。试比较:It was raining heavily last night. 昨晚下着大雨。(侧重说明下雨持续的时间长。) It rained heavily last night. 昨天下了大雨。(侧重说明下雨这一
7、事实。) 4.在带有all night, the whole morning等强调时间长度的状语时,句中谓语动词用过去进行时更好些。如:He was working all night last Monday. 上周一他整整工作了一个晚上。55.在when引导的时间状语从句中,当when相当于while时,用一般过去时与过去进行时差异不大。如:I saw John when I walked/was walking to the station. 我步行去火车站时看见了约翰。但当
8、when分句中的谓语动词为一般过去,其主句用一般过去时或过去进行时,有时会引起时间关系的变化。试比较:When we arrived,she was making some fresh coffee. 我们到达时,她在调制咖啡。(分句动作发生时,主句动作已在发生.) When we arrived,she made some fresh coffee.