Strict head-final surface order derives from underlying left-headedness in
, a Niger-Congo language of Nigeria. A word order anomaly in
serial verb constructions (SVCs) strongly suggests this, and left-to-right asymmetric c-command among internal arguments of SVCs confirms it. The anomaly is universal among surface right-headed languages with SVCs, indicating that deep left-headedness is universal, as antisymmetry theory predicts (Kayne 1994). Assuming complements are in Specs, and that a light verb v selects every VP (Chomsky 1999), I derive VOVO from OVOV by two instances of V-to-
v
movement. I argue for a nonuniform approach to SVCs, involving relations of both raising (Campbell 1989) and control (Collins 1997). Other aspects of SVC word order are predictable from a universal thematic hierarchy nontheme > theme, and short scrambling (Takano 1998).