And who could blame him?
( And ( who ( ( could ( blame him ) ) ? ) ) )
(ROOT (SBARQ (CC And) (WHNP (WP who)) (SQ (VP (MD could) (VP (VB blame) (NP (PRP him))))) (. ?)))
Why not throw the blame on him?
( Why ( not ( ( ( throw ( the blame ) ) ( on him ) ) ? ) ) )
(ROOT (FRAG (WHADVP (WRB Why)) (RB not) (VP (VB throw) (NP (DT the) (NN blame)) (PP (IN on) (NP (PRP him)))) (. ?)))