He reverted to his former point of view.
( He ( ( reverted ( to ( ( his ( former point ) ) ( of view ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBN reverted) (PP (TO to) (NP (NP (PRP$ his) (JJ former) (NN point)) (PP (IN of) (NP (NN view)))))) (. .)))
He went back to his previous thoughts.
( He ( ( ( went back ) ( to ( his ( previous thoughts ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD went) (ADVP (RB back)) (PP (TO to) (NP (PRP$ his) (JJ previous) (NNS thoughts)))) (. .)))