Intransitive verbs take exactly one subject argument and no objects. Typical transitive verbs include leave, arrive, laugh. The class of intransitives is divided into unaccusative verbs which have a single theme argument, such as arrive, and unergative verbs which have an agent such as leave.
- Carnie, Andrew (2006) Syntax: A Generative Introduction. Malden: Wiley-Blackwell.
- Crystal, David (1999) The Penguin Dictionary of Language. London: Penguin.
- Crystal, David. (1997) A Dictionary of Linguistics and Phonetics. Oxford, UK: Blackwell.