Art thou (Mē su ei). Expecting a negative answer.
Greater than our father Jacob (meizōn ei tou patros hēmōn Iakōb). Ablative case patros after the comparative adjective meizōn (positive megas). The Samaritans claimed descent from Jacob through Joseph (tribes of Ephraim and Manasseh).
Cattle (thremmata). Old word from trephō, to nourish, nursling, child, flock, cattle. Only here in N.T.