English as a second language; ESL; TESOL ; Metalinguistic awareness; Phonologische Bewusstheit; Phonological awareness; Focus on form (language teaching) ; Sprachbewusstsein; Linguistic awareness ; Processability theory; Language comprehension (second language acquisition) ; Modal verb ; Evidentialität; Evidentiality; Narrativ; Narrative; Renarrativ; Quotativ; Quotative; Reportativ; Putativ; Putative; Präsumptiv; Presumptive; Source of information; Source of knowledge; Epistemic modality ; Reformulation (synt.) ; English