There's, my dad reminds me from time to time.
( There ( ( ( 's , ) ( ( my dad ) ( ( reminds me ) ( from ( time ( to time ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ 's) (, ,) (SBAR (S (NP (PRP$ my) (NN dad)) (VP (VBZ reminds) (NP (PRP me)) (PP (IN from) (NP (NP (NN time)) (PP (TO to) (NP (NN time))))))))) (. .)))
I don't have a father.
( I ( ( ( do n't ) ( have ( a father ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP do) (RB n't) (VP (VB have) (NP (DT a) (NN father)))) (. .)))