The document is about the present perfect tense in English. It provides examples of regular and irregular verbs in the present perfect tense. It discusses using "ever" with the present perfect tense to refer to experiences before the present. Specifically, it notes that "ever" is used in questions to find out if someone has done something before, like "Have you ever been to Japan?". It also provides examples of using the present perfect with "never" in affirmative statements.