This document provides an overview of different types of verbs in English, including main/principal verbs, auxiliary verbs, modal verbs, non-continuous verbs, intensive verbs, participles, gerunds, and infinitives. It gives examples for each type of verb and explains their functions in sentences. Main verbs indicate actions or states of being, auxiliary verbs are helping verbs, and modal verbs express ideas like possibility. Non-continuous verbs are never used in continuous tenses, while intensive verbs focus intensely on the subject. Participles have characteristics of both verbs and adjectives. Gerunds and infinitives function like nouns.