He could now was but happened to .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (ATVP_1 (MD_0 could) (ADVP_0 (RB_0 now))) (VP_5 (ATVP_1 (VP_5 (VBD_1 was)) (CC_0 but)) (VP_1 (VBN_0 happened) (SBAR_0 (S_2 (VP_0 (TO_0 to)))))))) (DOT_0 .)))