Not that I can remember, no, uh uh.
( ( ( ( ( Not ( that I ) ) ( can remember ) ) , ) ( ( no , ) ( uh uh ) ) ) . )
(ROOT (S (S (NP (RB Not) (DT that) (PRP I)) (VP (MD can) (VP (VB remember)))) (, ,) (FRAG (INTJ (INTJ (UH no)) (, ,) (INTJ (UH uh) (UH uh)))) (. .)))
I can not remember.
( I ( ( ( can not ) remember ) . ) )
(ROOT (S (NP (PRP I)) (VP (MD can) (RB not) (VP (VB remember))) (. .)))