This document provides information about verb tenses used to express present time in English, including the simple present, present progressive, and present perfect tenses. It discusses typical errors made by English language learners and gives examples. Key points include: - The simple present is used for habitual or repeating actions, the present progressive for current actions, and the present perfect for actions that began in the past and continue. - Common errors involve incorrect forms of verbs, improper use of tenses, and issues with negatives and questions. - Influence from Portuguese grammar can cause errors like using the simple present instead of future or past tenses.