This document provides grammar rules for using prepositions after certain adjectives. It explains that adjectives like "keen", "dependent", and "reliant" are followed by the preposition "on", while adjectives like "fond", "proud", "ashamed", and "jealous" are followed by the preposition "of". Examples are given to illustrate the correct usage of these adjective-preposition combinations. The document concludes by listing activities for students to practice these rules.