No, hadn't seen some of them.
( No ( , ( ( ( ( had n't ) seen ) ( some ( of them ) ) ) . ) ) )
(ROOT (SINV (FRAG (INTJ (UH No))) (, ,) (VP (VBD had) (RB n't) (VP (VBN seen))) (NP (NP (DT some)) (PP (IN of) (NP (PRP them)))) (. .)))
I have seen all of them.
( I ( ( have ( seen ( all ( of them ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP have) (VP (VBN seen) (NP (NP (DT all)) (PP (IN of) (NP (PRP them)))))) (. .)))