might want to check it out 
(ROOT (S (VP (MD might) (VP (VB want) (S (VP (TO to) (VP (VB check) (NP (PRP it)) (PRT (RP out)))))))))
(ROOT (S (VP (MD ) (VP (VB ) (S (VP (TO ) (VP (VB ) (NP (PRP )) (PRT (RP )))))))))