彼はこの会社を20年経営してきた

N5 彼 kare he N5 この kono this N5 会社 kaisha company N5 年 toshi year, age N3 経営 keiei management, administration, business operation

N3 彼 hi / kare, kano, ka.no he, that, the N4 会 kai, e / a.u, a.waseru, atsu.maru meeting, meet, party N4 社 sha / yashiro company, firm, office N5 年 nen / toshi year, counter for years, année N3 経 kei, kyou, kin / he.ru, ta.tsu, tateito, haka.ru, nori sutra, longitude, pass thru N2 営 ei / itona.mu, itona.mi occupation, camp, perform

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 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information