Analyzer
Sentence analysis
9Spans
Sentence
Span Details
誰
whopronoun
か
question or alternative markergrammar
が
subject markergrammar
ドア
doornoun
を
object markergrammar
トントン
tap-tap; knock-knock; with a tapping sound; smoothly; without a hitch; swimmingly; even; equal; break-even-> とんとんadverb, na-adjective
と
quotation, conditional, companion, or and markergrammar
ノック
knock; knocking; fungo hitting; hitting balls for fielding practice; tap; clicknoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar