This document provides an overview of the present simple tense and modal verbs in English. It begins with an introduction to the present simple tense and the verb "to be", explaining how it is used for permanent states, habitual actions, descriptions, locations and time. Examples are given for affirmative, negative and interrogative sentences. Modal verbs such as can, could, may and must are then introduced. It explains that modal verbs provide additional meaning to the main verb and do not conjugate or use auxiliary verbs. The proper structures for affirmative, negative and interrogative sentences using modal verbs are outlined.