adverbial phrase vs ergative

adverbial phrase

noun
  • A phrase that collectively modifies a verb, adjective, another adverb, or a prepositional phrase. 

ergative

noun
  • An ergative verb or other expression. 

adj
  • With the subject of a transitive construction having grammatical cases or thematic relations different from that of an intransitive construction. 

How often have the words adverbial phrase and ergative occurred in a corpus of books? (source: Google Ngram Viewer )