# Formal Grammar, Usage Probabilities, and Auxiliary Contraction

> Research article (Language, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3133644992](https://www.wikidata.org/wiki/openalex:W3133644992)  
**Source**: https://4ort.xyz/entity/formal-grammar-usage-probabilities-and-auxiliary-contraction