I guess I lay there unconscious awhile.
( I ( ( guess ( I ( lay ( there ( unconscious awhile ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP guess) (S (NP (PRP I)) (VP (VB lay) (S (NP (EX there)) (ADJP (JJ unconscious)) (ADVP (RB awhile)))))) (. .)))
I was knocked unconcious.
( I ( ( was ( knocked unconcious ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD was) (VP (VBN knocked) (NP (NNS unconcious)))) (. .)))