Read the definitions below:
___________________ consists of the mental representations of linguistic rules that constitute the speaker-hearer's internal grammar. This grammar is implicit and is evident in the intuitions which the speaker-hearer has about the grammaticality of sentences.
___________________ consists of the actual use of both linguistic and pragmatic knowledge in understanding and producing discourse.
___________________ consists of the use of the internal grammar in the comprehension and production of language.
___________________ is the knowledge the speaker-hearer has of what constitutes appropriate as well as correct language behaviour and also of what constitutes effective language behaviour in relation to particular communicative goals.
Now decide which terms the definitions above refer to by choosing which alternative presents those terms in the correct order, from top to bottom, according to their definition:
