过去进行时知识讲解.ppt

第六讲 过去进行时 The past continuous tense 过去时 + 进行时 一、过去某个时间点正在发生的事情 时间点可以用介词短语、副词或从句来表示 如： What was she doing at nine oclock yesterday? 　　昨天晚上九点她在做什么？ (介词短语表示时间点)  When I saw him he was decorating his room. 　　当我看见他的时候他正在装饰房间。 (when从句表示时间点) 二、过去一段时间内一直在进行的动作 常用的时间状语：this morning, the whole morning, all day yesterday, from nine to ten last evening 如： We were watching TV from seven to nine last night. 　　昨天晚上七点到九点的时候我们在看电视。　　        　　What was he researching all day last Sunday? 　　上周日他一整天都在研究什么？ 三、过去进行时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。 常用于when, while引导的从句　 　 如： My brother fell while he was riding his bicycle and hurt himself. 　　我哥哥骑自行车的时候从车上摔下来，受伤了。　　　It was raining when they left the station. 　　他们离开车站的时候天正在下雨。　　When I got to the top of the mountain, the sun was shining. 　　当我到达山顶的时候，阳光灿烂。 　　 While +过去进行时，主句一般过去时 When+一般过去时，主句过去进行时 My brother fell while he was riding his bicycle and hurt himself. When my brother fell, he was riding his bicycle. It was raining when they left the station. They left the station while it was raining. 四、 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。 例如：　　While he was waiting for the bus, he was reading a newspaper.　　他边等车边看报。 (两个动作都是延续的)　　He was cleaning his car while I was cooking. 　　他擦车时我在做饭。(两个动作同时进行) 五、用过去进行时代替过去将来时 1）表示渐变的动词有：get, grow, become, turn, run, go, begin，die等 如： The leaves were turning red.　　It was getting warmer and warmer. He was dying . 2）短暂性动词用于过去进行时表示即将发生的或预定中计划好的活动。 如： We were leaving soon. During that time he was going with us.(表示打算) 六、一般过去时代替过去进行时 句型：There went/came + n. 如： There went the bell . There came the crying of Mrs Smith. 七、与always ,often ,usually 等连用表喜爱，讨厌等感情色彩。 如： 　　He was always Changing his mind.  英语中有四类动词一般不用进行时（不用现在进行时和过去进行时） 　　1)表心理状态、情感的动词，如love ,hate ,like ,care ,respect ,please ,prefer ,know 等，若用进行时则词意改变。 　　I’m forgetting it . (=beginning to forget ) 　　2)表存在、状态的动词，如appear ,exist ,lie ,remain ,stand ,seem等