予約の時間を電話で確かめた

N4 予約 yoyaku reservation, booking, appointment N5 時間 jikan time N5 電話 denwa a telephone N4 確か tashika certain, sure, if I remember correctly

N3 予 yo, sha / arakaji.me beforehand, previous, myself N3 約 yaku / tsuzu.maru, tsuzu.meru, tsuzuma.yaka promise, approximately, shrink N5 時 ji / toki, -doki time, hour, temps N5 間 kan, ken / aida, ma, ai interval, space, intervalle N5 電 den electricity, électricité, electricidad N5 話 wa / hana.su, hanashi tale, talk, parler N3 確 kaku, kou / tashi.ka, tashi.kameru assurance, firm, tight

N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options