Was war geschehen ?
1	Was	Was	PRON	PWS	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Int	3	nsubj:pass	_	_
2	war	sein	AUX	VAFIN	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	aux:pass	_	_
3	geschehen	geschehen	VERB	VVPP	Aspect=Perf|VerbForm=Part	0	root	_	_
4	?	?	PUNCT	$.	PunctType=Peri	3	punct	_	_
