to never left you would have to try back .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (S_2 (VP_0 (TO_0 to) (VP_1 (ADVP_0 (RB_0 never)) (VBD_1 left)))) (NP_0 (PRP_1 you))) (VP_3 (MD_0 would) (VP_1 (VB_0 have) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 try) (PRT_0 (RP_0 back)))))))) (DOT_0 .)))