When are you going to that?
( When ( ( ( are you ) ( going ( to that ) ) ) ? ) )
(ROOT (SBARQ (WHADVP (WRB When)) (SQ (VBP are) (NP (PRP you)) (VP (VBG going) (PP (TO to) (NP (DT that))))) (. ?)))
Are you going to that place after dinner time?
( ( ( Are you ) ( ( going ( to ( that place ) ) ) ( after ( dinner time ) ) ) ) ? )
(ROOT (SQ (VBP Are) (NP (PRP you)) (VP (VBG going) (PP (TO to) (NP (DT that) (NN place))) (PP (IN after) (NP (NN dinner) (NN time)))) (. ?)))