( ( As ( ( the months ) ( went by ) ) ) ( , ( possibilities ( ( started ( to ( sprout up ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN As) (S (NP (DT the) (NNS months)) (VP (VBD went) (PP (IN by))))) (, ,) (NP (NNS possibilities)) (VP (VBD started) (S (VP (TO to) (VP (VB sprout) (PRT (RP up)))))) (. .)))
As the months went by, possibilities started to sprout up.
(ROOT (S (NP (NNP New) (NNS plants)) (VP (VBP start) (S (VP (VBG sprouting) (PP (ADVP (NP (CD two) (NNS months)) (RBR later)) (IN after) (NP (DT a) (NN forest) (NN fire)))))) (. .)))