forgotten everything he ever knew about generating suspense 
(ROOT (S (VP (VBD forgotten) (NP (NP (NP (NN everything)) (SBAR (S (NP (PRP he)) (ADVP (RB ever)) (VP (VBD knew))))) (PP (IN about) (S (VP (VBG generating) (NP (NN suspense)))))))))
(ROOT (S (VP (VBD ) (NP (NP (NP (NN )) (SBAR (S (NP (PRP )) (ADVP (RB )) (VP (VBD ))))) (PP (IN ) (S (VP (VBG ) (NP (NN )))))))))