References
- Brown, Keith and Jim Miller. 2016. A Critical Account of English Syntax: Grammar, Meaning, Text. Edinburgh: Edinburgh University Press.
- Halliday, Michael A. K. 1961. “Categories of the Theory of Grammar.” WORD 17 (3): 241–292. doi:10.1080/00437956.1961.11659756.
- Whorf, Benjamin L. 1945. “Grammatical Categories.” Language 21 (1): 1–11. doi:10.2307/410199
- Yang, Bingjun. 2020. “Full Realization Principle for the Identification of Ideational Grammatical Metaphor: Nominalization as Example.” Journal of World Languages 6 (3): 161–174. doi:10.1080/21698252.2020.1777682.
- Zandvoort, Reinard W. 1975. A Handbook of English Grammar. London: Longman.