He seemed to have aged a thousand years.
( He ( ( seemed ( to ( have ( aged ( a ( thousand years ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD seemed) (S (VP (TO to) (VP (VB have) (VP (VBN aged) (NP (DT a) (CD thousand) (NNS years))))))) (. .)))
He looked many years younger.
( He ( ( looked ( ( many years ) younger ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD looked) (NP (NP (JJ many) (NNS years)) (JJR younger))) (. .)))