<span style="color:rgb(0,0,0);background-color:rgb(221,221,221);">He has been the CEO of the company for last 7 years.</span><br style="color:rgb(0,0,0);"/><span style="color:rgb(0,0,0);background-color:rgb(221,221,221);">I saw the above in one of the videos about the uses of "has have had been" on YouTube.</span><br style="color:rgb(0,0,0);"/><br style="color:rgb(0,0,0);"/><span style="color:rgb(0,0,0);background-color:rgb(221,221,221);">Please explain the use of "been" here. Is it the main verb with "has" as an auxiliary verb?</span><br style="color:rgb(0,0,0);"/><span style="color:rgb(0,0,0);background-color:rgb(221,221,221);">What does "been" mean here?</span>