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Sentence analysis
6Spans
Sentence
Span Details
事故原因
cause of an accident; accident causenoun
は
topic markergrammar
まだ
still; as yet; (not) yet; more; still more; at least; comparatively; relatively; unfinished; incomplete; not yet done-> 未だadverb, na-adjective
明らかになっ
become clear; become evident; come to light; be made public; be disclosed; be revealed-> 明らかになるexpression, verb
てい
ongoing or resultant state-> ているgrammar
ない。
negative auxiliarygrammar