This document defines and provides examples of the present perfect tense in English. The present perfect tense is used to show a connection between the present and a past action or state that is still ongoing or the results of which are relevant now. It discusses the affirmative, negative, and interrogative forms using the auxiliary verbs have or has followed by the past participle form of the main verb. Examples are given for regular and irregular verbs like have done, have been, have written, and have eaten to illustrate how to form sentences in the present perfect tense.