彼の意見を参考にプランを立てた

N5 彼 kare he N4 意見 iken opinion, view, idea N3 参考 sankou reference, consultation N3 プラン puran plan

N3 彼 hi / kare, kano, ka.no he, that, the N4 意 i idea, mind, heart N5 見 ken / mi.ru, mi.eru, mi.seru see, hopes, chances N3 参 san, shin / mai.ru, mai-, majiwaru, mitsu nonplussed, three (in documents), going N4 考 kou / kanga.eru, kanga.e consider, think over, réfléchir N4 立 ritsu, ryuu, rittoru / ta.tsu, -ta.tsu, ta.chi-, ta.teru, -ta.teru, ta.te-, tate-, -ta.te, -da.te, -da.teru stand up, rise, set up

N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action 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