ABSTRACT Nominalization is an important resource for creating grammatical metaphor (GM). Previous research shows that nominalization is characteristic of academic writing but does not demonstrate discipline sensitivity within the academic genre. The reason might be that some nominalizations have developed into dead GM. This study aims to identify nominalizations that create live GM and explore the discipline sensitivity of live GMs based on a corpus of academic article abstracts across three discipline groups. The findings indicate that a clause construes an event or a status, which is either conveyed by the verbal group or a nominal group functioning as a participant of the verbal group. Verb nominalizations construing events and adjective nominalizations construing statuses are the key factors in identifying live GM. Notably, nominalizations not cooccurring with verbalizations are not necessarily dead GMs. The corpus-based research shows that both verb and adjective nominalizations exhibit discipline sensitivity. Verb nominalizations are more prevalent in natural science texts, whereas adjective nominalizations are more prevalent in the humanities and social science texts. However, live GMs are not inherently discipline sensitive; rather, it is those GMs contributing to the lexical density of the text that are discipline sensitive.
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