How about this one:Not really.
You have been Xing (constantly - if you must, but "always been Xing" suggests it was constant.)
You have always Xed.
You are always/constantly Xing.
You have been standing up for me for years.
You have always stood up for me.
You are always/constantly standing up for me.
Note that "am/is/are always Xing!" is often an expression of annoyance.
You are always interrupting me!
He is always running late.
I am always messing things up!
Johnny VegasI've always been looking for other people's approval.
How about the quote above from Johnny Vegas? And the many examples I found in COCA and Google Books? One more example:The Collins automatic search engine found that in The Sun, a newspaper that is not known for careful writing. Moreover, the paper may have been quoting a non-native English speaker.
Inc. magazineIn my company, for instance, we've always been trying to prove a real business model...