He became even more concerned as its route changed, moving into another sector's airspace.
( He ( ( ( became ( even ( more concerned ) ) ) ( as ( ( its route ) ( ( changed , ) ( moving ( into ( ( another ( sector 's ) ) airspace ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD became) (ADJP (RB even) (RBR more) (JJ concerned)) (SBAR (IN as) (S (NP (PRP$ its) (NN route)) (VP (VBD changed) (, ,) (S (VP (VBG moving) (PP (IN into) (NP (NP (DT another) (NN sector) (POS 's)) (NN airspace))))))))) (. .)))
He wasn't worried at all for the plane. 
( He ( ( ( was n't ) ( ( worried ( at all ) ) ( for ( the plane ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD was) (RB n't) (VP (VBN worried) (ADVP (IN at) (DT all)) (PP (IN for) (NP (DT the) (NN plane))))) (. .)))