I jumped, coat tails flapping.
( I ( ( ( jumped , ) ( ( coat tails ) flapping ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD jumped) (, ,) (S (NP (NN coat) (NNS tails)) (VP (VBG flapping)))) (. .)))
I was completely naked.
( I ( ( was ( completely naked ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD was) (ADJP (RB completely) (JJ naked))) (. .)))