Don't you know?
( ( ( ( Do n't ) you ) know ) ? )
(ROOT (SQ (MD Do) (RB n't) (NP (PRP you)) (VP (VB know)) (. ?)))
Don't you know the answer to that?
( ( ( ( Do n't ) you ) ( ( know ( the answer ) ) ( to that ) ) ) ? )
(ROOT (SQ (MD Do) (RB n't) (NP (PRP you)) (VP (VB know) (NP (DT the) (NN answer)) (PP (TO to) (NP (DT that)))) (. ?)))