私は高校を卒業しました

N5 私 watashi I N4 高校 koukou high school, senior high school N4 卒業 sotsugyou graduation, completion of school

N4 私 shi / watakushi, watashi private, I, me N5 高 kou / taka.i, taka, -daka, taka.maru, taka.meru tall, high, expensive N5 校 kou, kyou exam, school, printing N2 卒 sotsu, shutsu / sotsu.suru, o.eru, o.waru, tsuini, niwaka graduate, soldier, private N4 業 gyou, gou / waza business, vocation, arts

N5 〜ます masu Used at the end of verbs, polite present or future form, makes the sentence more polite N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information