When was the last time you stopped at IUPUI since you graduated?
( When ( ( was ( ( the ( last time ) ) ( you ( ( stopped ( at IUPUI ) ) ( since ( you graduated ) ) ) ) ) ) ? ) )
(ROOT (SBARQ (WHADVP (WRB When)) (SQ (VBD was) (NP (NP (DT the) (JJ last) (NN time)) (SBAR (S (NP (PRP you)) (VP (VBD stopped) (PP (IN at) (NP (NNP IUPUI))) (SBAR (IN since) (S (NP (PRP you)) (VP (VBD graduated))))))))) (. ?)))
I visited last spring.
( I ( ( visited ( last spring ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD visited) (NP (JJ last) (NN spring))) (. .)))