This document discusses the use of the present simple tense in English to describe habitual or repeated actions. It provides examples of affirmative sentences using the present simple form, such as "my father goes to work every day." It also gives examples of negative sentences using "do/does not" plus the base verb form, like "Mary doesn't like to study English." Finally, it lists "do/does" question forms with examples such as "Do you enjoy your English lesson?"