The document summarizes the present perfect tense and future tense in English. The present perfect tense uses "have" plus the past participle to indicate an action that began in the past and continues in the present or an action that is completed. The future tense in English does not have inflected verb forms but instead uses "will" or "be going to" plus the base verb form to indicate future time. It provides examples and explanations of the structures used to form the present perfect and future tenses in sentences.