You never call.
( You ( never ( call . ) ) )
(ROOT (S (NP (PRP You)) (ADVP (RB never)) (VP (VBP call)) (. .)))
You rarely call on the phone, nor webcam. 
( You ( rarely ( ( call ( on ( ( ( ( the phone ) , ) nor ) webcam ) ) ) . ) ) )
(ROOT (S (NP (PRP You)) (ADVP (RB rarely)) (VP (VBP call) (PP (IN on) (NP (NP (DT the) (NN phone)) (, ,) (CC nor) (NP (NN webcam))))) (. .)))