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 used to get up on the monkey bars with friends.
( I ( ( used ( to ( ( get up ) ( on ( ( the ( monkey bars ) ) ( with friends ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD used) (S (VP (TO to) (VP (VB get) (PRT (RP up)) (PP (IN on) (NP (NP (DT the) (NN monkey) (NNS bars)) (PP (IN with) (NP (NNS friends))))))))) (. .)))