本站：在英语里表示过去的某阶段正在进行的事用什么时态好呢?下面我们一起看看这篇《过去进行时》。
“过去进行时”表示“过去的当下”或“过去某段时间的当下”所做的事。
因此，也适用于表达“过去某段时间的当下正在进行、正在发生的事”。例如：过去的出差旅游、过去的身材保持等，过去暂时性、非经常性的动作或行为。
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【当时正住在日本】过去的某段时间【当下都住在日本】
I was living(进行时) in Japan during the 1990s.
20世纪90年代，我住在日本。
【当时没有约会】过去的某段时间【当下都没有约会】
I was not dating(进行时) anyone during the last year.
去年一整年我都没有约会对象。
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I was traveling during the last week. 上星期，我在旅行
I was going on a business trip over the past few days. 在过去的几天，我在出差。
I was trying to lose weight over the past few years. 过去几年里，我都在减肥。
I was working in a foreign trading company during 20xx. 20xx 年，我在外贸公司上班。
表示“过去一段时间”的时间词，
适用于“过去进行时”
>> over~
over the past few days 过去的几天
over the past few weeks 过去的几星期
over the past few months 过去的几个月
>> during~
during the last week 上个星期
during the last summer 去年夏天
during the 1980s 20世纪80年代
>> from ~ to ~
from last Monday to Friday 从上周一到周五
from last January to October 从去年1月到10月
from 20xx to 20xx 从20xx年到20xx年
“be动词过去式”不能和“主语”缩写
be动词过去式“was、were”不能和主语缩写，只能和“not”缩写。
was not →I wasn't; He wasn't; It wasn't
were not →You weren't; They weren't
例如：
I wasn't doing anything bad. 我当时没有做坏事。*I不能和was缩写
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