Oh, my friend, have I not said to you all along that I have no proofs. 
( Oh ( , ( ( my friend ) ( , ( ( have ( I ( not ( ( ( said ( to you ) ) ( all along ) ) ( that ( I ( have ( no proofs ) ) ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (INTJ (UH Oh)) (, ,) (NP (PRP$ my) (NN friend)) (, ,) (VP (VB have) (S (NP (PRP I)) (ADVP (RB not)) (VP (VBD said) (PP (TO to) (NP (PRP you))) (ADVP (DT all) (IN along)) (SBAR (IN that) (S (NP (PRP I)) (VP (VBP have) (NP (DT no) (NNS proofs)))))))) (. .)))
I've always had the proof that he did it.
( I ( ( ( 've always ) ( had ( ( the proof ) ( that ( he ( did it ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP 've) (ADVP (RB always)) (VP (VBN had) (NP (NP (DT the) (NN proof)) (SBAR (IN that) (S (NP (PRP he)) (VP (VBD did) (NP (PRP it)))))))) (. .)))