Grammatizität; Grammaticalness ; Interimsgrammatik (Spracherwerb) ; Lernervarietät (Spracherwerb) ; Learner variety (language acquisition) ; Interlanguage (language acquisition) ; Critical period (second language acquisition) ; Alter (Einfluss auf Zweitspracherwerb) ; Age (influence on second language acquisition) ; Ultimate attainment (second language acquisition) ; Near-native competence (second language acquisition) ; AoA; Age of acquisition (second language acquisition) ; Sensitive period (second language acquisition) ; Sprachfähigkeit (Zweitspracherwerb) ; Spracheignung (Zweitspracherwerb) ; Language aptitude (second language acquisition) ; Processability theory; Language comprehension (second language acquisition) ; Swedish