This document discusses the present perfect active tense and provides examples of its use. It compares the present perfect ("They've been to New York") to expressing a specific time period ("They've been in New York for 3 days") or a completed past action ("They were in New York last year"). The document also discusses the use of the word "still" to refer to something that has not finished and provides examples of using "still" with the present perfect and other verb tenses.