Needs assessment (language teaching) ; Second language acquisition (language teaching) ; Zweitspracherwerb (Unterricht) ; Foreign language teaching ; Lehrerausbildung; Teacher training; Lehrerfortbildung; In-service teacher training; Teacher education ; Mother tongue (teaching of) ; Foreign language teaching policy ; Multilingualism; Polylingualism; Plurilingualism ; English (British) ; Grossbritannien (engl. Sprache in) ; Great Britain (English language in) ; Englisch in Grossbritannien; English in Great Britain; British English ; Punjabi ; Arabic ; Mandarin; Kantonesisch; Cantonese; Putonghua; Sinitic; Hakka; Yue; Chinese