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Sentence analysis
7Spans
Sentence
Span Details
発表
announcement; publication; presentation; releasenoun, suru verb
の
possession, attribution, nominalizer, or nominal linkergrammar
前
in front of; before (a place); before; earlier; previously; ago; to (the hour); front; frontal part; fore; head (of a line); forward; ahead; in the presence of; in front of (someone); previous; prior; first; former; portion; helping; front (of body/clothing); breast (of coat, kimono); privates; private parts; criminal record; previous convictionnoun, no-adjective, adverb, suffix
に
direction, time, indirect object, or target markergrammar
下調べ
preliminary investigation; advance research; preparation for class; studying aheadnoun, suru verb
を
object markergrammar
した。
light/support verb with a noun or noun-like phrase-> するgrammar