Analyzer
Sentence analysis
9Spans
Sentence
Span Details
彼ら
they; thempronoun
は
topic markergrammar
そのこと
that; the matter in question-> その事expression
を
object markergrammar
二度と
never againadverb
口にし
taste; eat; drink; mention; speak of; put into words-> 口にするexpression, suru verb
ないと
must; have to; if notgrammar
誓約
oath; vow; pledge; covenantnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar