彼女の笑顔が教室中に広がった

N5 彼女 kanojo she N3 笑顔 egao smile, smiling face N5 教室 kyoushitsu classroom N5 中 naka inside / middle

N3 彼 hi / kare, kano, ka.no he, that, the N5 女 jo, nyo, nyou / onna, me woman, female, femme N3 笑 shou / wara.u, e.mu laugh, rire, risa N3 顔 gan / kao face, expression, visage N4 教 kyou / oshi.eru, oso.waru teach, faith, doctrine N4 室 shitsu / muro room, apartment, chamber N5 中 chuu / naka, uchi, ata.ru in, inside, middle N4 広 kou / hiro.i, hiro.maru, hiro.meru, hiro.garu, hiro.geru wide, broad, spacious

N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase