5、’clocktonineo’clocklastnight.What were you doing when I phoned you last night?昨晚我给你打电话时你在干什么?3)在含有时间状语从句的复合句中,延续性动词用过去进行时,非延续性动词用一般过去时。例如:They were watching TV when I entered the room.我进入房间时,他们正在看电视。若主句和从句的动词均为延续性动词,则可以两边都可以采用过去进行时。例如:The children were playing
6、 with their toys while I was eating my dinner.我吃饭的时候,孩子们在玩他们的玩具。Whilehewaswaitingforthebus,hewasresdingnewspaper.他边等车边看报。(两个动作都是延续的)HewascleaninghiscarwhileIwascooking.他洗车时我在做饭。(两个动作同时进行)4)可用来表示由过去某时持续到另一时间的过去动作。例如:He was studying in Cambridge between 1999 and
7、 2001.在1999年和2001年那段时间,他在剑桥学习。From January to March I was traveling in Egypt.从一月份到三月份期间,我在埃及旅游。这种时间状语亦可同一般过去时连用,如:例如:He worked from morning till night yesterday.昨天他从早到晚地工作。5)表示故事发生的背景。It was a sunny morning. Some people were sitting on the riverbank.Some were
8、walking with their dogs. Several boys were playing football nearby...一个阳光明媚的清晨。河堤上坐着几个人。有的人在溜狗。不远处有几个男童在踢足球...Itwasadarknight.Thewindwasblowinghardandtherainwasfallingheavily.APLAm