Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
必ず
always; without fail; certainlyadverb
成功
success; achievement; worldly success; prosperity; succeeding in lifenoun, suru verb
する
light/support verb with a noun or noun-like phrasegrammar
と
quotation, conditional, companion, or and markergrammar
誓っ
swear; vow; pledge; take an oath-> 誓うgodan verb
た。
past tense or completed actiongrammar