This document provides information about prepositions in English. It discusses the different types of prepositions including prepositions of time, place, and direction. It provides examples of common prepositions and the rules for when to use certain prepositions like "on", "in", "at", etc. It also discusses how some verbs are usually followed by specific prepositions and provides examples. Finally, it includes exercises for learners to practice using prepositions correctly in sentences.