well worth revisiting as many times as possible 
(ROOT (ADJP (UH well) (JJ worth) (S (VP (VBG revisiting) (NP (NP (ADVP (RB as) (JJ many)) (NNS times)) (PP (IN as) (ADJP (JJ possible))))))))
(ROOT (ADJP (UH ) (JJ ) (S (VP (VBG ) (NP (NP (ADVP (RB ) (JJ )) (NNS )) (PP (IN ) (ADJP (JJ ))))))))