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…

This thesis is a comprehensive study of lexical and clause-linkage properties of converbs in an underdescribed language, Sakha (aka Yakut). Following Haspelmath (1995b) a converb is defined as a non-finite verb form which mainly indicates an adverbial subordination. Converbs are attested in diverse languages of the world, but are used extensively…