( ( ( The most ) ( of ( ( available hydropower ) ( for energy ) ) ) ) ( ( ( is already ) ( in use ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJS most)) (PP (IN of) (NP (NP (JJ available) (NN hydropower)) (PP (IN for) (NP (NN energy)))))) (VP (VBZ is) (ADVP (RB already)) (PP (IN in) (NP (NN use)))) (. .)))
The most of available hydropower for energy is already in use.
(ROOT (S (NP (NNP Hydropower)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (RB widely) (VBN used)) (NN form)) (PP (IN of) (NP (NP (JJ renewable) (NN energy)) (PP (IN in) (NP (DT the) (NN world))))))) (. .)))