She happened to ask she when I have to be .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (VBN_0 happened) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_0 (VB_0 ask) (NP_1 (PRP_1 she))) (SBAR_0 (WHADVP_0 (WRB_0 when)) (S_1 (NP_0 (PRP_1 I)) (VP_5 (VBP_0 have) (SBAR_0 (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 be))))))))))))) (DOT_0 .)))