A verb (from Latin verbum 'word') is a word (part of speech) that in syntax generally conveys an action (bring, read, walk, run, learn), an occurrence (happen, become), or a state of being (be, exist, stand). In the usual description of

In languages where the verb is inflected, it often agrees with its primary argument (the subject) in person, number or gender. With the exception of the verb to be, English shows distinctive

The number of arguments that a verb takes is called its valency or valence. Verbs can be classified according to their valency:
• Avalent (valency

The voice of a verb expresses whether the subject of the verb is performing the action of the verb or whether the action is being performed on the

Verbs vary by type, and each type is determined by the kinds of words that accompany it and the relationship those words have with the verb itself. Classified by the number of their valency arguments, usually three basic types are distinguished:

Depending on the language, verbs may express grammatical tense, aspect, or modality.
Tense
Grammatical tense is the

Most languages have a number of verbal nouns that describe the action of the verb.
In the Indo-European languages, verbal adjectives are generally called participles. English has an