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We (have been going) over maths these days.括号中的是什么用法为什么要这样用
题目详情
We (have been going) over maths these days.括号中的是什么用法
为什么要这样用
为什么要这样用
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答案和解析
现在完成进行时态
你补充的问题:
表示从过去到现在发生的事情,
类似的句子有:I've been waiting for you for a long time.
表示过去就开始等待,一直等到现在才见面.
而was doing形式,只表示过去时间进行的动作.
你补充的问题:
表示从过去到现在发生的事情,
类似的句子有:I've been waiting for you for a long time.
表示过去就开始等待,一直等到现在才见面.
而was doing形式,只表示过去时间进行的动作.
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