You'll notice that's its very common for a native speaker to use the present perfect continuous like this when greeting a buddy.

你会发现对于一个母语使用者，他们在问候兄弟时很喜欢用现在完成进行时。

youdao

We use the present perfect continuous (I have been doing) for situations over a short time. We use the present perfect (I have done) for situations that exist for a longer time.

现在完成进行时用在短时间的情况，现在完成时用于长时间的情况。

youdao

I want to be a practical teacher, so when I am working, I prefer to use'the Present Continuous Tense'or'the Present Perfect Tense'instead of'the Future Tense.

我给自己的定位是做一个笃行务实的老师，与其在工作中一直说“将来时”，我个人更倾向于使用“现在进行时”或者“现在完成时”。

youdao