This document appears to be notes from an English grammar class discussing basic present tenses in English. It covers the structures and uses of present simple tense with do/does to express habits and facts. It also addresses present simple tense with be to express occupations and descriptions. Examples are provided to illustrate questions and negatives for both structures. Key points include using auxiliaries do/does with subjects and the verb, and using be with a subject and complement. Question structures are also outlined.