There have been so many changes to the IUPUI campus and your department that you and your fellow graduates might not recognize them.
( There ( ( have ( been ( ( ( ( so many ) changes ) ( to ( ( ( the ( IUPUI campus ) ) and ) ( your department ) ) ) ) ( that ( ( ( you and ) ( your ( fellow graduates ) ) ) ( ( might not ) ( recognize them ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP have) (VP (VBN been) (ADJP (NP (QP (RB so) (JJ many)) (NNS changes)) (PP (TO to) (NP (NP (DT the) (NNP IUPUI) (NN campus)) (CC and) (NP (PRP$ your) (NN department)))) (SBAR (IN that) (S (NP (NP (PRP you)) (CC and) (NP (PRP$ your) (JJ fellow) (NNS graduates))) (VP (MD might) (RB not) (VP (VB recognize) (NP (PRP them))))))))) (. .)))
You might still recognize the IUPUI campus. 
( You ( ( ( might still ) ( recognize ( the ( IUPUI campus ) ) ) ) . ) )
(ROOT (S (NP (PRP You)) (VP (MD might) (ADVP (RB still)) (VP (VB recognize) (NP (DT the) (NNP IUPUI) (NN campus)))) (. .)))