( ( The bladder ) ( ( may ( require ( ( evacuations ( several times ) ) ( an hour ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN bladder)) (VP (MD may) (VP (VB require) (NP (NP (JJ evacuations) (JJ several) (NNS times)) (NP (DT an) (NN hour))))) (. .)))
The bladder may require evacuations several times an hour.
(ROOT (S (NP (NNS Bacteria)) (VP (MD may) (VP (VB divide) (NP (NP (QP (JJ several) (NNS times))) (NP (DT an) (NN hour))))) (. .)))