On the monkey bars I used to swing up and get on top of it.
( ( On ( the ( monkey bars ) ) ) ( I ( ( used ( to ( ( ( swing up ) and ) ( get ( on ( top ( of it ) ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN On) (NP (DT the) (NN monkey) (NNS bars))) (NP (PRP I)) (VP (VBD used) (S (VP (TO to) (VP (VP (VB swing) (PRT (RP up))) (CC and) (VP (VB get) (PP (IN on) (NP (NP (NN top)) (PP (IN of) (NP (PRP it)))))))))) (. .)))
I never tried the monkey bars.
( I ( never ( ( tried ( ( the monkey ) bars ) ) . ) ) )
(ROOT (S (NP (PRP I)) (ADVP (RB never)) (VP (VBD tried) (SBAR (S (NP (DT the) (NN monkey)) (VP (VBZ bars))))) (. .)))