This document discusses the different grammatical functions that gerunds and infinitives can serve. It addresses gerunds and infinitives as subjects, objects, subject complements, and objects of prepositions. The teacher notes that the explanation of gerunds and infinitives as objects of prepositions is incomplete, and prompts the student to consider what was learned the previous day regarding adjective-preposition and verb-preposition combinations. The student is then asked to practice by writing 6 sentences including different functions for gerunds and infinitives.