Grammar, Comparative and general Syntax 21 Semantics 9 Phonology 7 English language 5 Morphology 4 Pragmatics 4 Case 3 Discourse analysis 3 Generative grammar 3 Computational linguistics 2 Conversation analysis 2 Data processing 2 Government-binding theory (Linguistics) 2 Grammatical categories 2 Language and logic 2 Linguistic analysis (Linguistics) 2 Minimalist theory (Linguistics) 2 Number 2 Realization (Linguistics) 2 Sentences 2 Typology (Linguistics) 2 Verb 2 Word formation 2 Agreement 1 Categorization (Linguistics) 1 Cohesion (Linguistics) 1 Competence and performance (Linguistics) 1 Constraints (Artificial intelligence) 1 Definiteness (Linguistics) 1