彼女、階段を一段ずつ上がっていった

N5 彼女 kanojo she N5 階段 kaidan stairs N3 段 dan step, level, stage, column N5 一 ichi one, number one N5 上 ue on / above

N3 彼 hi / kare, kano, ka.no he, that, the N5 女 jo, nyo, nyou / onna, me woman, female, femme N2 階 kai / kizahashi storey, stair, counter for storeys of a building N3 段 dan, tan grade, steps, stairs N5 一 ichi, itsu / hito-, hito.tsu one, one radical (no.1), un N5 上 jou, shou, shan / ue, -ue, uwa-, kami, a.geru, -a.geru, a.garu, -a.garu, a.gari, -a.gari, nobo.ru, nobo.ri, nobo.seru, nobo.su, tatematsu.ru above, up, au-dessus

N5 〜ている te iru Indicates ongoing action, continuous state, repeated habit, or resulting condition depending on context N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action