  There exist two variants of the old minimal formulation for ${\cal N}=1$
supergravity in four dimensions, in which one or each of the two auxiliary
scalars is replaced by the field strength of a gauge three-form. These theories
are known as three-form supergravity and complex three-form supergravity,
respectively. For each of them, we present a super-Weyl invariant coupling of
supergravity to the supermembrane and prove kappa-invariance of the resulting
action. In the case of three-form supergravity, we demonstrate that the action
constructed reduces to that given by Ovrut and Waldram twenty years ago upon
imposing a super-Weyl gauge in which the compensating three-form superfield is
set to a constant.
