Researchers have analyzed 286 multi-word expressions (MWEs) using 16 criteria from theoretical linguistics to understand idiomaticity. The study found that no expressions are absolutely idiomatic, with lexical factors appearing most influential. Grammatical criteria were found to be conditional, and the presence of obsolete words or specific grammar structures impacted an MWE's replaceability with a single word. AI
RANK_REASON This is a research paper published on arXiv detailing linguistic analysis. [lever_c_demoted from research: ic=1 ai=0.1]
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