It has been…用来表达从过去某一时刻到现在的持续状态、经历或变化

句型结构

                It has been + 时间段/状态/形容词/名词

                常缩写为：It's been…

一、表达经历 & 情绪（高频用法）

        1.        It has been a long day.

今天真是漫长的一天。

        2.        It's been tough lately.

最近真的挺难的。

        3.        It has been a while.

有段时间没联系/见面了。

        4.        It has been exhausting.

真的让人精疲力尽。

        5.        It has been overwhelming.

一切都太多、太难处理。

        6.        It has been worth it.

一切都值得。

        7.        It has been a rollercoaster.

这段时间像坐过山车一样（情绪起伏很大）。

        8.        It has been amazing.

太棒了，超出预期。

二、表达时间变化

        9.        It has been three years since we met.

我们认识已经三年了。

        10.        It has been raining all day.

一整天都在下雨。

        11.        It has been cold lately.

最近一直很冷。

        12.        It has been getting better.

情况正在慢慢变好。

三、日常轻松语气表达

        13.        It has been crazy at work.

工作最近超忙乱。

        14.        It's been nice talking to you.

跟你聊天真开心。

        15.        It has been non-stop.

一直没停过（事情不断）。