That story remains to be told.
( ( That story ) ( ( remains ( to ( be told ) ) ) . ) )
(ROOT (S (NP (DT That) (NN story)) (VP (VBZ remains) (S (VP (TO to) (VP (VB be) (VP (VBN told)))))) (. .)))
The story has not been told yet.
( ( The story ) ( ( ( has not ) ( been ( told yet ) ) ) . ) )
(ROOT (S (NP (DT The) (NN story)) (VP (VBZ has) (RB not) (VP (VBN been) (VP (VBN told) (ADVP (RB yet))))) (. .)))