It includes four forms: simple present (I walk), present continuous (I am walking), present perfect (I have walked), and present perfect continuous (I have been walking), each used for different aspects of current and ongoing actions.” In this post, we share positive, negative and interrogative example sentences in simple present tense . The simple present tense is a verb tense used to describe actions that happen regularly, habitually, or currently true. Present Tenses Definition, Rules, Structure, Usages, Example Sentences . The present tense is a verb tense used to express an action or a state of being that is occurring in the present. It is often used to describe habits, routines, general truths, or states that are consistently true. Have a look at the table below to understand how each type of present tense is formed and used with examples . I walk to school. She plays the guitar. He is reading a book. We are preparing for the exam. She has completed her project. I have eaten lunch. They have been working all day. He has been studying since morning.