whatever complaints i might have 
(ROOT (SBAR (WHNP (WDT whatever) (NNS complaints)) (S (NP (PRP i)) (VP (MD might) (VP (VB have))))))
(ROOT (SBAR (WHNP (WDT ) (NNS )) (S (NP (PRP )) (VP (MD ) (VP (VB ))))))