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Sentence analysis
7Spans
Sentence
Span Details
突然
sudden; abrupt; unexpectedno-adjective, adverb
の
possession, attribution, nominalizer, or nominal linkergrammar
出来事
event; incident; occurrencenoun
に、
direction, time, indirect object, or target markergrammar
ぽかん
vacantly; blankly; absentmindedly; openmouthed; gaping; flabbergasted; with a whack; with a thumpadverb
と
quotation, conditional, companion, or and markergrammar
口を開けた。
open one's mouth (to talk); start to tell-> 口を開くexpression, verb