you forget you 've been to the movies . 
(ROOT (S (NP (PRP you)) (VP (VBP forget) (SBAR (S (NP (PRP you)) (VP (VBP 've) (VP (VBN been) (PP (IN to) (NP (DT the) (NNS movies)))))))) (. .)))
(ROOT (S (NP (PRP )) (VP (VBP ) (SBAR (S (NP (PRP )) (VP (VBP ) (VP (VBN ) (PP (IN ) (NP (DT ) (NNS )))))))) (. )))