I still read history.
( I ( still ( ( read history ) . ) ) )
(ROOT (S (NP (PRP I)) (ADVP (RB still)) (VP (VBP read) (NP (NN history))) (. .)))
I currently read history.
( I ( currently ( ( read history ) . ) ) )
(ROOT (S (NP (PRP I)) (ADVP (RB currently)) (VP (VBP read) (NP (NN history))) (. .)))