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Pervasive zero marking is very rare, but instances of zero marking in various forms occur in quite a number of languages. Vietnamese and Indonesian are two national languages listed in the World Atlas of Language Structures as having zero-marking. Pirahã is another language having zero-marking among its other very rare features.
In many East and Southeast Asian languages, such as Thai and Chinese, the head verb and its dependents are not marked for any arguments or for the nouns' roles in the sentence. On the other hand, possession is marked in such languages by the use of clitic particles between possessor and possessed.
Some languages, such as Arabic, use a similar process, called "juxtaposition" in linguistic jargon, to indicate possessive relationships. In Arabic, two nouns next to each other could indicate a possessed-possessor construction: كتب مريم kutub Maryam "Maryam's books" (literally "books Maryam"). The rarity of pervasive zero marking is due to languages with juxtaposition having more of inflection than languages with zero marking in noun phrases so the two almost never overlap.
Zero-marking, when it occurs, tends to show a strong relationship with word order. Languages in which zero-marking is widespread are almost all subject–verb–object, perhaps because verb-medial order allows two or more nouns to be recognised as such much more easily than subject–object–verb, object–subject–verb, verb–subject–object, or verb-object-subject order, for which two nouns might be adjacent and their role in a sentence possibly thus confused. It has been suggested that verb-final languages may be likely to develop verb-medial order if marking on nouns is lost.
- Zero-marking in English
- Dependent-marking language
- Double-marking language
- Head-marking language
- Analytic language
- Maddieson, Ian. "Locus of Marking: Whole-Language Typology", in Martin Haspelmath et al. (eds.) The World Atlas of Language Structures, pp. 106–109. Oxford: Oxford University Press, 2005. ISBN 0-19-925591-1.