Sampling; Language corpus; Sprachkorpus; Datensammlung; Data collection; Textkorpus (method.) ; Text corpus (method.) ; Corpus linguistics ; Pragmalinguistics ; Interference (pragm.) ; Discourse marker ; Transfer (second language acquisition) ; Transfer (Zweitspracherwerb) ; Cross-linguistic influence (second language acquisition) ; Interference (second language acquisition) ; Lemmata ; Africa (English language in) ; Afrika (engl. Sprache in) ; English in Africa