This document provides instruction on using the present perfect tense in English. It explains that the present perfect tense is used to talk about experiences that started in the past but may still be ongoing or have relevance to the present. It outlines the verb forms for affirmative, negative, and question sentences. Examples are given for each type of sentence structure. Exercises are included to practice forming sentences in the present perfect tense correctly. Verb conjugations for regular and irregular verbs in the past and past participle forms are also listed.