Bork shuddered.
( Bork ( shuddered . ) )
(ROOT (S (NP (NNP Bork)) (VP (VBD shuddered)) (. .)))
Bork was perfectly still.
( Bork ( ( ( was perfectly ) still ) . ) )
(ROOT (S (NP (NNP Bork)) (VP (VBD was) (ADVP (RB perfectly)) (ADVP (RB still))) (. .)))