This document provides a summary of key grammatical points around the use of gerunds and infinitives in English. It includes examples of sentences where the correct form is either a gerund or infinitive. It also contains exercises for learners to practice identifying and using gerunds and infinitives appropriately. The exercises include underlining the correct word or phrase, filling in blanks with the appropriate verb form, rewriting sentences to include a specified word, and choosing the right answer to complete sentences. The document aims to help learners strengthen their understanding of and ability to use gerunds and infinitives in English.