[1] It therefore eschews a hierarchical description of language and its labels are based on discourse functions rather than on parts of speech (noun, verb, etc.)
LUG made its first appearance in linguistics in 2006 when John McHardy Sinclair and Anna Mauranen published "Linear Unit Grammar: Integrating Speech and Writing".
In the introduction, the authors acknowledge the linguist, David Brazil, whose studies into the grammar of spoken English departed from traditional analyses.
[2] In Linear Unit Grammar (2006), the authors describe their "study of language in use and how people manage it, handle it, cope with it and interpret it".
"[4] Linear Unit Grammar has been applied to the analysis of the poem Hills Like White Elephants.