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 depreciate at a higher rate than other goods.
( ( Capital goods ) ( ( depreciate ( at ( ( a ( higher rate ) ) ( than ( other goods ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Capital) (NNS goods)) (VP (VBP depreciate) (PP (IN at) (NP (NP (DT a) (JJR higher) (NN rate)) (PP (IN than) (NP (JJ other) (NNS goods)))))) (. .)))