过去进行时的用法
一、构成方法
过去进行时由 was/were 加现在分词构成。
二、用法说明
■表示在过去某一时刻或某一阶段正在发生的动作。如:
What were you doing this time yesterday? 昨天这个时候你在做什么?
During the summer of 1999 she was travelling in Europe. 1999年夏天她在欧洲旅行。
■表示过去将来,多用于go, come, leave, start, take off等动词。如:
He said he was leaving for home in a day or two. 他说他一两天之内就动身回家了。
■表示过去的经常动作,常与always,forever等连用,略带感****彩。如:
She was always thinking of others. 她老是想到别人。(赞扬)
She was forever complaining. 她老是抱怨。(厌烦)
■表示某个短暂性动作发生的背景。如果主句谓语和从句谓语都发生在过去,动作时间长的用过去进行时,表达谈话背景;动作时间短的用一般过去时,表达新的信息。如:
I was reading the newspaper when the doorbell rang. 我正在看报,突然门铃响了。
Jim burnt his hand when he was cooking the dinner. 吉姆做饭时把手烫了。
I met Diana while I was shopping this morning. 我今早买东西时碰到了戴安娜。
■表示两个同时持续的动作。如:
I was doing my homework while he was listening to music. 我在做作业而他在听音乐。
■过去进行时可以表示客气的语气。如:
I was wondering if you could give me a lift. 不知我可否顺便搭你的车。