In recent second language (L2) research it has been proposed that unlike linguistic phenomena pertaining to internal interfaces, those at external interfaces pose greater difficulty to adult L2 learners and may not be fully acquired. It has further been pointed out that such problematic acquisition at the interface level should not be attributed…

As face-threatening speech acts, requests are of particular interest to second language acquisition scholars. They affect the interlocutors' public self-images, and thus require a careful consideration of the social distance between the interlocutors, their status, and the level of the imposition, factors that are weighed differently in…