The literacy statistics change little from year to year.
( ( The ( literacy statistics ) ) ( ( ( change ( little ( from year ) ) ) ( to year ) ) . ) )
(ROOT (S (NP (DT The) (NN literacy) (NNS statistics)) (VP (VBP change) (ADJP (JJ little) (PP (IN from) (NP (NN year)))) (PP (TO to) (NP (NN year)))) (. .)))
Literacy statistics have been progressively getting worse.
( ( Literacy statistics ) ( ( have ( ( been progressively ) ( getting worse ) ) ) . ) )
(ROOT (S (NP (JJ Literacy) (NNS statistics)) (VP (VBP have) (VP (VBN been) (ADVP (RB progressively)) (VP (VBG getting) (ADJP (JJR worse))))) (. .)))