Who would have been telling you those stories?
( Who ( ( would ( have ( been ( ( telling you ) ( those stories ) ) ) ) ) ? ) )
(ROOT (SBARQ (WHNP (WP Who)) (SQ (VP (MD would) (VP (VB have) (VP (VBN been) (VP (VBG telling) (NP (PRP you)) (NP (DT those) (NNS stories))))))) (. ?)))
Did your grandmother tell you those stories?
( ( ( Did ( your grandmother ) ) ( ( tell you ) ( those stories ) ) ) ? )
(ROOT (SQ (VBD Did) (NP (PRP$ your) (NN grandmother)) (VP (VB tell) (NP (PRP you)) (NP (DT those) (NNS stories))) (. ?)))