'Don't worry,' he whispered.
( ` ( ( ( Do n't ) worry ) ( , ( ' ( he ( whispered . ) ) ) ) ) )
(ROOT (S (`` `) (S (VP (VBP Do) (RB n't) (VP (VB worry)))) (, ,) ('' ') (NP (PRP he)) (VP (VBZ whispered)) (. .)))
He was very calm and said not to worry.
( He ( ( ( ( was ( very calm ) ) and ) ( said ( not ( to worry ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VP (VBD was) (ADJP (RB very) (JJ calm))) (CC and) (VP (VBD said) (S (RB not) (VP (TO to) (VP (VB worry)))))) (. .)))