sentences:  3 years is "sannenkan" (3年間), 6 o'clock is "rokuji　"(6時), 9 dogs is "kyūhiki no inu" (9匹の犬), 7 people is "shichinin" (7人), 7 minutes is "nanafun" (7分), 4 apples is "yonko no ringo" (4個のリンゴ), and 4 seasons is "shiki" (四季).However, there are some measure words that (and even a select few numbers among certain measure words) that require the native kun'yomi numbers.Measure words that use native numbers include days of the month and "tsu", which is the generic measure word that roughly translates into "things".