( ( ( The time ) ( taken ( for ( one ( complete ( wave ( to ( pass ( any point ) ) ) ) ) ) ) ) ) ( ( is ( called ( ( ( the period ) , ) T ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN time)) (VP (VBN taken) (PP (IN for) (NP (CD one) (JJ complete) (NN wave) (S (VP (TO to) (VP (VB pass) (NP (DT any) (NN point))))))))) (VP (VBZ is) (VP (VBN called) (NP (NP (DT the) (NN period)) (, ,) (NP (NNP T))))) (. .)))
The time taken for one complete wave to pass any point is called the period , T .
(ROOT (S (NP (NN Period)) (VP (VBZ is) (NP (NP (DT the) (NN time) (NN interval)) (VP (VBN required) (PP (IN for) (NP (CD one) (JJ complete) (NN wave) (S (VP (TO to) (VP (VB pass) (NP (NP (DT a) (NN point)) (VP (VBN called))))))))))) (. .)))