letting go at all the wrong moments 
(ROOT (S (VP (VBG letting) (VP (VB go) (PP (IN at) (NP (PDT all) (DT the) (JJ wrong) (NNS moments)))))))
(ROOT (S (VP (VBG ) (VP (VB ) (PP (IN ) (NP (PDT ) (DT ) (JJ ) (NNS )))))))