every faltering half-step of its development 
(ROOT (NP (NP (DT every) (VBG faltering) (NN half) (HYPH -) (NN step)) (PP (IN of) (NP (PRP$ its) (NN development)))))
(ROOT (NP (NP (DT ) (VBG ) (NN ) (HYPH ) (NN )) (PP (IN ) (NP (PRP$ ) (NN )))))