( Tornadoes ( ( can ( occur ( ( any time ) ( of ( the year ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Tornadoes)) (VP (MD can) (VP (VB occur) (NP (NP (DT any) (NN time)) (PP (IN of) (NP (DT the) (NN year)))))) (. .)))
Tornadoes can occur any time of the year.
(ROOT (S (NP (NNS Tornadoes)) (VP (MD can) (VP (VB occur) (PP (IN in) (NP (DT any))))) (. .)))