The document provides information on English grammar tenses and structures including:
1) The present simple tense and its use to describe habitual or repeated actions. Examples of its formation and use are given.
2) The present progressive tense and its use to describe actions happening now. The formation of this tense is explained for different subjects.
3) The past simple tense and how it is used to describe completed actions in the past. Both regular and irregular verb forms are covered.
4) Comparatives and superlatives are defined and examples of their formation using -er, -est and more, most are provided.