This document discusses the use of gerunds and infinitives after certain verbs and expressions in English. It explains that gerunds are verb+ing forms that follow verbs like enjoy and prepositions like after. Infinitives are 'to'+verb forms that follow verbs like decide and adjectives like difficult. Some verbs like remember and try can take either a gerund or infinitive with different meanings. The document provides many examples of verbs that commonly take gerunds or infinitives to clarify their uses.