He was outside alot over the past weekend and has been drinking copious amounts of fluid over the past few days to stay hydrated.
 patient has spent time outside
(ROOT (S (NP (PRP He)) (VP (VP (VBD was) (NP (JJ outside) (NN alot)) (PP (IN over) (NP (DT the) (JJ past) (NN weekend)))) (CC and) (VP (VBZ has) (VP (VBN been) (VP (VBG drinking) (NP (NP (JJ copious) (NNS amounts)) (PP (IN of) (NP (NN fluid)))) (PP (IN over) (NP (DT the) (JJ past) (JJ few) (NNS days))) (S (VP (TO to) (VP (VB stay) (ADVP (RB hydrated))))))))) (. .)))
(ROOT (S (NP (NN patient)) (VP (VBZ has) (VP (VBN spent) (NP (NN time)) (FRAG (PP (IN outside)))))))
( He ( ( ( ( ( was ( outside alot ) ) ( over ( the ( past weekend ) ) ) ) and ) ( has ( been ( ( ( drinking ( ( copious amounts ) ( of fluid ) ) ) ( over ( the ( past ( few days ) ) ) ) ) ( to ( stay hydrated ) ) ) ) ) ) . ) )
( patient ( has ( ( spent time ) outside ) ) )