Jon's feeling of age and weariness must have shown.
( ( ( ( Jon 's ) feeling ) ( of ( ( age and ) weariness ) ) ) ( ( must ( have shown ) ) . ) )
(ROOT (S (NP (NP (NP (NNP Jon) (POS 's)) (NN feeling)) (PP (IN of) (NP (NN age) (CC and) (NN weariness)))) (VP (MD must) (VP (VB have) (VP (VBN shown)))) (. .)))
Jon was weary and feeling his age.
( Jon ( ( was ( ( weary and ) ( feeling ( his age ) ) ) ) . ) )
(ROOT (S (NP (NNP Jon)) (VP (VBD was) (UCP (ADJP (JJ weary)) (CC and) (VP (VBG feeling) (NP (PRP$ his) (NN age))))) (. .)))