abilitytesting accentsandaccentuation americanisms arabiclanguage arabiclanguage- bilingualeducation danish disciplines edu005000for007000lan011000 education englishasasecondlanguage englishlanguage foreignlanguagestudy foreignspeakers frenchlanguage grammar greatbritain languageandlanguages languagearts linguistics listening literacy morphology phonetics phonology pronunciation publicopinion secondlanguageacquisition socialaspects soundrecordingsforforeignspeakers spanishlanguage speechacts(linguistics) spokenenglish spokenfrench standardization studyandteaching textbooksforforeignspeakers unitedstates variation vowels