Usage-based grammar; Functional discourse grammar; Exemplar-based grammar; Functional grammar ; Syntactic development; Morphological development; Morphologie (Spracherwerb) ; Syntax (Spracherwerb) ; Grammatical development ; MLU; Mean length of utterance; Sentence length (child language) ; English (British) ; Grossbritannien (engl. Sprache in) ; Great Britain (English language in) ; Englisch in Grossbritannien; English in Great Britain; British English
