Not only must capital goods be replaced as they depreciate, but new generations of workers must be comparably
( ( Not only ) ( ( must ( capital goods ) ) ( be ( replaced ( as ( ( ( ( they depreciate ) , ) but ) ( ( ( new generations ) ( of workers ) ) ( must ( be comparably ) ) ) ) ) ) ) ) )
(ROOT (FRAG (CONJP (RB Not) (JJ only)) (S (VP (MD must) (NP (NN capital) (NNS goods)) (S (VP (VB be) (VP (VBN replaced) (SBAR (IN as) (S (S (NP (PRP they)) (VP (VBP depreciate))) (, ,) (CC but) (S (NP (NP (JJ new) (NNS generations)) (PP (IN of) (NP (NNS workers)))) (VP (MD must) (VP (VB be) (ADJP (JJ comparably))))))))))))))
Capital goods are vulnerable to depreciation and should be replaced.
( ( Capital goods ) ( ( ( ( are ( vulnerable ( to depreciation ) ) ) and ) ( should ( be replaced ) ) ) . ) )
(ROOT (S (NP (NNP Capital) (NNS goods)) (VP (VP (VBP are) (ADJP (JJ vulnerable) (PP (TO to) (NP (NN depreciation))))) (CC and) (VP (MD should) (VP (VB be) (VP (VBN replaced))))) (. .)))