(NP (CP (WHNP-1 (-NONE- *OP*)) (CP (IP (NP-SBJ (-NONE- *T*-1)) (VP (ADVP (AD 已)) (VP (VV 变形)))) (DEC 的))) (NP (NN 客车)))
ARG0: (*T*-1)->(客车) ARGM-ADV: 已 REL: 变形