Merger theory; C-command; Fusion (synt.) ; X-bar theory ; Second language acquisition (psycholing.) ; Triggering (second language acquisition) ; Parametrization (second language acquisition) ; Wortstellung; Satzfolge; Serialisierung; Serialization; Word order ; English ; Mandarin; Kantonesisch; Cantonese; Putonghua; Sinitic; Hakka; Yue; Chinese