Second language acquisition (language teaching) ; Zweitspracherwerb (Unterricht) ; Foreign language teaching ; Representation (of time) ; Time (notion of) ; Sprachpsychologie; Psycholinguistics ; Second language acquisition (pragm.) ; Zweitspracherwerb (pragm.) ; Interactionist hypothesis (second language acquisition) ; Conversational analysis (second language acquisition) ; Second language acquisition (psycholing.) ; Tense (synt.) ; French ; Polish