This document discusses the classification and grammatical categories of English verbs. It begins by classifying verbs according to their function, structure, possibility of progressive aspect, and complementation patterns. Verbs are classified as lexical, auxiliary, modal, transitive, intransitive, intensive, monotransitive, ditransitive, and complex transitive. The document also covers the grammatical categories of tense, aspect, mood and voice as they relate to verbs. It provides examples of intensive, monotransitive and ditransitive verb complementation patterns.