He says, Don't go.
( He ( ( ( says , ) ( ( Do n't ) go ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VP (VBZ says)) (, ,) (VP (VBP Do) (RB n't) (VP (VB go)))) (. .)))
He say not to go after I tell him that I'm leaving.
( He ( ( say ( not ( to ( go ( after ( I ( ( tell him ) ( that ( I ( 'm leaving ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBP say) (S (RB not) (VP (TO to) (VP (VB go) (SBAR (IN after) (S (NP (PRP I)) (VP (VBP tell) (NP (PRP him)) (SBAR (IN that) (S (NP (PRP I)) (VP (VBP 'm) (VP (VBG leaving)))))))))))) (. .)))