If I wasn't working here.
( ( If ( I ( ( was n't ) ( working here ) ) ) ) . )
(ROOT (FRAG (SBAR (IN If) (S (NP (PRP I)) (VP (VBD was) (RB n't) (VP (VBG working) (ADVP (RB here)))))) (. .)))
I really like working here.
( I ( really ( ( like ( working here ) ) . ) ) )
(ROOT (S (NP (PRP I)) (ADVP (RB really)) (VP (VBP like) (S (VP (VBG working) (ADVP (RB here))))) (. .)))