I went on, 'I'm going to warn you, whether you like it or not. 
( I ( ( ( ( ( went on ) , ) ` ) ( I ( 'm ( going ( to ( ( ( warn you ) , ) ( whether ( you ( ( ( like it ) or ) not ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD went) (PRT (RP on)) (, ,) (`` `) (S (NP (PRP I)) (VP (VBP 'm) (VP (VBG going) (S (VP (TO to) (VP (VB warn) (NP (PRP you)) (, ,) (SBAR (IN whether) (S (NP (PRP you)) (VP (VB like) (NP (PRP it)) (CC or) (RB not))))))))))) (. .)))
I'll warn you despite your protests. 
( I ( ( 'll ( ( warn you ) ( despite ( your protests ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (MD 'll) (VP (VB warn) (NP (PRP you)) (PP (IN despite) (NP (PRP$ your) (NNS protests))))) (. .)))