Second language acquisition (psycholing.) ; Case study (second language acquisition) ; Fossilized interlanguage; Interlanguage (fossilized) ; Fossilization ; Imperfekt; Imperfect; Imparfait; Preterite; Indefinido; Past tense ; Wortstellung; Satzfolge; Serialisierung; Serialization; Word order ; Noun syntax ; English