This document provides information about the present perfect tense in English. It discusses the form of the present perfect, which is have/has + past participle. It provides examples of affirmative and interrogative sentences. It then discusses three main uses of the present perfect tense: (1) to describe recent events without a definite time, (2) to express personal experiences where no definite time is given, and (3) to express actions that started in the past and continue to the present time. It contrasts the simple past and present perfect tenses and provides examples of when to use each.