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九年级英语第四单元What were they doing?

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过去进行时的用法。

过去进行时的构成是助动词be的过去形式was/were+动词的现在分词。其基本用法如下:

1)表示过去某一时刻正在进行的动作。例如:

What were you doing at ten last night?昨天晚上10点你在干什么?

When I got up this morning, it was raining.今天早上起来时,天正在下雨。

2)表示过去某阶段进行的动作。例如:

At that time he was working in Shanghai.那时他正在上海工作。

During World War Ⅱ,he was working as a doctor in the army.第二次世界大战期间,他正在军队当医生。

注:对于教师或课本上提出的一般疑问句,可指导学生做以下处理:如果其答案是肯定的,将疑问句改为肯定式,即可用在复述中;如果其答案是否定的,则将疑问句改为否定式,也可以用。


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九年级英语第四单元What were they doing?