彼、正式な手続きが必要だ

N5 彼 kare he N3 正式 seishiki official, formal, regular N2 手続き tetsuzuki procedure, (legal) process, formalities N4 必要 hitsuyou necessary, need

N3 彼 hi / kare, kano, ka.no he, that, the N4 正 sei, shou / tada.shii, tada.su, masa, masa.ni correct, justice, righteous N3 式 shiki style, ceremony, rite N4 手 shu, zu / te, te-, -te, ta- hand, main, mano N3 続 zoku, shoku, kou, kyou / tsuzu.ku, tsuzu.keru, tsugu.nai continue, series, sequel N3 必 hitsu / kanara.zu invariably, certain, inevitable N3 要 you / i.ru, kaname need, main point, essence

N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences