彼が犯人だと断定した

N5 彼 kare he N3 犯人 hannin offender, criminal N1 だと dato if it's the case N2 断定 dantei conclusion, decision

N3 彼 hi / kare, kano, ka.no he, that, the N3 犯 han, bon / oka.su crime, sin, offense N5 人 jin, nin / hito, -ri, -to person, être humain, personne N3 断 dan / ta.tsu, kotowa.ru, sada.meru severance, decline, refuse N3 定 tei, jou / sada.meru, sada.maru, sada.ka determine, fix, establish

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements