This document discusses the use of gerunds (-ing form) and infinitives (to + base verb form) in English. It provides examples of when each is used after certain verbs, prepositions, and expressions. The gerund is used after verbs like enjoy, consider, avoid. It is also used as a subject or object. The infinitive is used after verbs like want, need, decide. It also follows adjectives. Some verbs like begin can take either form depending on meaning. The document provides additional examples and clarification on how gerunds and infinitives can change the meaning in certain contexts.