Principles and parameters (Linguistics) Grammar, Comparative and general 8 Syntax 4 Language acquisition 3 Generative grammar 2 Government-binding theory (Linguistics) 2 Minimalist theory (Linguistics) 2 more ... Clauses 1 Congresses 1 English 1 English language 1 Grammar, Comparative 1 Historical linguistics 1 Interlanguage (Language learning) 1 Japanese 1 Japanese language 1 Null subject 1 Second language acquisition 1 less ...