The document provides information about the present simple tense in English grammar. It discusses the affirmative, interrogative and negative forms of the present simple tense. It explains that the third person singular form typically takes an -s ending. It also gives examples of irregular verbs. Finally, it outlines the main uses of the present simple tense, including for habitual actions, general truths and opinions/feelings. It notes that frequency adverbs are often used with habitual actions.