If you need this book, it is probably too late' unless you are about to take an SAT or GRE.
( ( If ( you ( need ( this book ) ) ) ) ( , ( it ( ( ( is probably ) ( too ( ( late ' ) ( unless ( you ( are ( about ( to ( take ( an ( ( SAT or ) GRE ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP you)) (VP (VBP need) (NP (DT this) (NN book))))) (, ,) (NP (PRP it)) (VP (VBZ is) (ADVP (RB probably)) (ADJP (RB too) (JJ late) ('' ') (SBAR (IN unless) (S (NP (PRP you)) (VP (VBP are) (VP (IN about) (S (VP (TO to) (VP (VB take) (NP (DT an) (NNP SAT) (CC or) (NNP GRE))))))))))) (. .)))
It's never too late, unless you're about to take a test.
( It ( ( ( ( ( 's never ) ( too late ) ) , ) ( unless ( you ( 're ( about ( to ( take ( a test ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ 's) (ADVP (RB never)) (ADJP (RB too) (JJ late)) (, ,) (SBAR (IN unless) (S (NP (PRP you)) (VP (VBP 're) (VP (IN about) (S (VP (TO to) (VP (VB take) (NP (DT a) (NN test)))))))))) (. .)))