The document discusses the simple present tense in Portuguese. It notes that the simple present is used to indicate habitual actions and often appears after time expressions like "often" or "never." It provides the affirmative, negative, and interrogative forms of the simple present, including using "do" and "does" as auxiliary verbs. Examples are given to illustrate using the simple present for habitual daily activities, schedules, and general truths. Exceptions for adding "es" or changing the spelling of verbs ending in certain letters in the third-person singular are also covered.